- Aluminum, fltd, ICP-MS -
Lab: NWQL, PCode: 01106, MCode: PLM10
Analysis Dates: 02/08/19 through 01/02/25
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 119% pctrecov = 119% Water Year = 2024 plotvalue = 121% pctrecov = 121% Water Year = 2024 plotvalue = 85% pctrecov = 85% Water Year = 2023 plotvalue = 112% pctrecov = 112% Water Year = 2022 plotvalue = 92% pctrecov = 92% Water Year = 2022 plotvalue = 92% pctrecov = 92% Water Year = 2022 plotvalue = 89% pctrecov = 89% Water Year = 2021 plotvalue = 109% pctrecov = 109% Water Year = 2021 plotvalue = 110% pctrecov = 110% Water Year = 2021 plotvalue = 117% pctrecov = 117% Water Year = 2021 plotvalue = 92% pctrecov = 92% Water Year = 2021 plotvalue = 92% pctrecov = 92% Water Year = 2021 plotvalue = 91% pctrecov = 91% Water Year = 2020 plotvalue = 114% pctrecov = 114% Water Year = 2020 plotvalue = 89% pctrecov = 89% Water Year = 2019 plotvalue = 70% pctrecov = 41% Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 9 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 97% Median = 101% Third Quartile = 105% Number of Observations = 90 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 89 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 86 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Water Year = 2019 First Quartile = 96% Median = 100% Third Quartile = 106% Number of Observations = 61 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Aluminum, fltd, ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Aluminum, fltd, ICP-MS 01106PLM10 2019 61 96.0% 100.5% 105.9%
    2020 86 98.5% 101.5% 104.2%
    2021 90 98.8% 101.2% 103.0%
    2022 89 100.3% 102.4% 105.3%
    2023 89 98.4% 100.8% 104.0%
    2024 90 96.7% 101.0% 104.8%
    2025 9 95.3% 98.3% 99.8%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Aluminum, fltd, ICP-MS -
Lab: NWQL, PCode: 01106, MCode: PLM43
Analysis Dates: 10/02/04 through 01/29/19
Open Data Set
Boxplot Description

Water Year = 2019 plotvalue = 112% pctrecov = 112% Water Year = 2017 plotvalue = 84% pctrecov = 84% Water Year = 2016 plotvalue = 126% pctrecov = 126% Water Year = 2016 plotvalue = 127% pctrecov = 127% Water Year = 2016 plotvalue = 128% pctrecov = 128% Water Year = 2016 plotvalue = 128% pctrecov = 128% Water Year = 2016 plotvalue = 130% pctrecov = 130% Water Year = 2016 plotvalue = 130% pctrecov = 145% Water Year = 2016 plotvalue = 130% pctrecov = 147% Water Year = 2016 plotvalue = 70% pctrecov = 59% Water Year = 2016 plotvalue = 70% pctrecov = 64% Water Year = 2016 plotvalue = 70% pctrecov = 21% Water Year = 2015 plotvalue = 130% pctrecov = 149% Water Year = 2015 plotvalue = 130% pctrecov = 183% Water Year = 2015 plotvalue = 70% pctrecov = 17% Water Year = 2015 plotvalue = 70% pctrecov = 29% Water Year = 2014 plotvalue = 121% pctrecov = 121% Water Year = 2014 plotvalue = 123% pctrecov = 123% Water Year = 2014 plotvalue = 70% pctrecov = 15% Water Year = 2014 plotvalue = 70% pctrecov = 2% Water Year = 2014 plotvalue = 70% pctrecov = 10% Water Year = 2013 plotvalue = 117% pctrecov = 117% Water Year = 2013 plotvalue = 70% pctrecov = 13% Water Year = 2012 plotvalue = 128% pctrecov = 128% Water Year = 2012 plotvalue = 130% pctrecov = 130% Water Year = 2012 plotvalue = 130% pctrecov = 130% Water Year = 2012 plotvalue = 130% pctrecov = 139% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2012 plotvalue = 70% pctrecov = 28% Water Year = 2012 plotvalue = 70% pctrecov = 33% Water Year = 2012 plotvalue = 70% pctrecov = 3% Water Year = 2011 plotvalue = 115% pctrecov = 115% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2011 plotvalue = 90% pctrecov = 90% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2011 plotvalue = 86% pctrecov = 86% Water Year = 2011 plotvalue = 86% pctrecov = 86% Water Year = 2011 plotvalue = 85% pctrecov = 85% Water Year = 2011 plotvalue = 81% pctrecov = 81% Water Year = 2011 plotvalue = 70% pctrecov = 1% Water Year = 2011 plotvalue = 70% pctrecov = 1% Water Year = 2010 plotvalue = 125% pctrecov = 125% Water Year = 2010 plotvalue = 130% pctrecov = 145% Water Year = 2010 plotvalue = 130% pctrecov = 205% Water Year = 2009 plotvalue = 116% pctrecov = 116% Water Year = 2009 plotvalue = 118% pctrecov = 118% Water Year = 2009 plotvalue = 119% pctrecov = 119% Water Year = 2009 plotvalue = 130% pctrecov = 135% Water Year = 2009 plotvalue = 70% pctrecov = 13% Water Year = 2009 plotvalue = 70% pctrecov = 6% Water Year = 2008 plotvalue = 75% pctrecov = 75% Water Year = 2008 plotvalue = 70% pctrecov = 12% Water Year = 2008 plotvalue = 70% pctrecov = 2% Water Year = 2008 plotvalue = 70% pctrecov = 3% Water Year = 2008 plotvalue = 70% pctrecov = 6% Water Year = 2008 plotvalue = 70% pctrecov = 25% Water Year = 2007 plotvalue = 70% pctrecov = 15% Water Year = 2007 plotvalue = 70% pctrecov = 21% Water Year = 2006 plotvalue = 123% pctrecov = 123% Water Year = 2006 plotvalue = 130% pctrecov = 141% Water Year = 2006 plotvalue = 80% pctrecov = 80% Water Year = 2006 plotvalue = 76% pctrecov = 76% Water Year = 2006 plotvalue = 76% pctrecov = 76% Water Year = 2004 plotvalue = 76% pctrecov = 76% Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2019 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 17 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 106% Third Quartile = 111% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2015 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 90 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 107% Number of Observations = 83 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 108 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2012 First Quartile = 100% Median = 104% Third Quartile = 109% Number of Observations = 132 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2011 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 131 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 105% Number of Observations = 132 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 93% Median = 97% Third Quartile = 102% Number of Observations = 105 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 102% Third Quartile = 111% Number of Observations = 128 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 108% Third Quartile = 116% Number of Observations = 122 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 102% Third Quartile = 107% Number of Observations = 169 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2005 First Quartile = 101% Median = 106% Third Quartile = 115% Number of Observations = 159 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Water Year = 2004 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 12 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Aluminum, fltd, ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Aluminum, fltd, ICP-MS 01106PLM43 2004 12 98.3% 102.4% 108.5%
    2005 159 101.1% 106.3% 114.5%
    2006 169 97.0% 102.2% 107.0%
    2007 122 98.2% 107.7% 116.0%
    2008 128 96.6% 102.2% 110.8%
    2009 105 92.8% 96.6% 102.2%
    2010 132 92.7% 96.9% 104.7%
    2011 131 98.5% 101.2% 104.1%
    2012 132 100.5% 103.9% 108.7%
    2013 108 101.3% 104.3% 107.7%
    2014 83 99.2% 102.9% 107.5%
    2015 90 96.5% 101.9% 107.1%
    2016 90 101.9% 105.6% 111.0%
    2017 90 100.3% 105.6% 111.0%
    2019 17 96.8% 99.9% 102.1%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Aluminum, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01105, MCode: PLM48
Analysis Dates: 10/18/04 through 04/30/15
Open Data Set
Boxplot Description

Water Year = 2015 plotvalue = 130% pctrecov = 153% Water Year = 2015 plotvalue = 83% pctrecov = 83% Water Year = 2013 plotvalue = 125% pctrecov = 125% Water Year = 2013 plotvalue = 130% pctrecov = 147% Water Year = 2013 plotvalue = 85% pctrecov = 85% Water Year = 2012 plotvalue = 117% pctrecov = 117% Water Year = 2012 plotvalue = 88% pctrecov = 88% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2011 plotvalue = 87% pctrecov = 87% Water Year = 2010 plotvalue = 116% pctrecov = 116% Water Year = 2010 plotvalue = 130% pctrecov = 455% Water Year = 2006 plotvalue = 114% pctrecov = 114% Water Year = 2006 plotvalue = 115% pctrecov = 115% Water Year = 2006 plotvalue = 116% pctrecov = 116% Water Year = 2006 plotvalue = 118% pctrecov = 118% Water Year = 2006 plotvalue = 119% pctrecov = 119% Water Year = 2006 plotvalue = 121% pctrecov = 121% Water Year = 2005 plotvalue = 127% pctrecov = 127% Water Year = 2005 plotvalue = 130% pctrecov = 131% Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 98% Median = 102% Third Quartile = 106% Number of Observations = 27 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2014 First Quartile = 99% Median = 104% Third Quartile = 110% Number of Observations = 45 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2013 First Quartile = 98% Median = 101% Third Quartile = 106% Number of Observations = 96 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2011 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2010 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 48 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2009 First Quartile = 103% Median = 106% Third Quartile = 114% Number of Observations = 39 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 105% Third Quartile = 117% Number of Observations = 47 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 102% Third Quartile = 113% Number of Observations = 44 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2006 First Quartile = 92% Median = 96% Third Quartile = 101% Number of Observations = 93 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 108% Number of Observations = 60 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Water Year = 2004 First Quartile = 100% Median = 111% Third Quartile = 115% Number of Observations = 7 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Aluminum, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Aluminum, unfltd, ICP-MS, recov 01105PLM48 2004 7 99.7% 111.0% 115.1%
    2005 60 95.5% 99.0% 107.5%
    2006 93 92.4% 96.2% 100.9%
    2007 44 97.4% 102.4% 112.6%
    2008 47 99.2% 104.9% 117.1%
    2009 39 102.9% 106.3% 114.3%
    2010 48 101.3% 103.7% 106.2%
    2011 48 99.3% 102.5% 104.0%
    2012 48 98.6% 102.3% 104.4%
    2013 96 97.8% 101.1% 105.6%
    2014 45 98.6% 103.7% 109.7%
    2015 27 97.8% 102.1% 105.7%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Aluminum, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01105, MCode: PLM77
Analysis Dates: 11/28/18 through 11/19/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 117% pctrecov = 117% Water Year = 2024 plotvalue = 118% pctrecov = 118% Water Year = 2023 plotvalue = 117% pctrecov = 117% Water Year = 2023 plotvalue = 88% pctrecov = 88% Water Year = 2023 plotvalue = 86% pctrecov = 86% Water Year = 2022 plotvalue = 114% pctrecov = 114% Water Year = 2022 plotvalue = 115% pctrecov = 115% Water Year = 2022 plotvalue = 116% pctrecov = 116% Water Year = 2022 plotvalue = 119% pctrecov = 119% Water Year = 2022 plotvalue = 85% pctrecov = 85% Water Year = 2020 plotvalue = 115% pctrecov = 115% Water Year = 2019 plotvalue = 113% pctrecov = 113% Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2025 First Quartile = 96% Median = 98% Third Quartile = 103% Number of Observations = 3 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2024 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2023 First Quartile = 99% Median = 101% Third Quartile = 105% Number of Observations = 48 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2022 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 47 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 95% Median = 99% Third Quartile = 102% Number of Observations = 48 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2020 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 44 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Water Year = 2019 First Quartile = 95% Median = 98% Third Quartile = 101% Number of Observations = 37 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Aluminum, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Aluminum, unfltd, ICP-MS, recov 01105PLM77 2019 37 94.7% 98.1% 101.3%
    2020 44 95.6% 100.0% 102.5%
    2021 48 94.8% 99.0% 101.7%
    2022 47 98.2% 101.2% 104.2%
    2023 48 99.1% 100.9% 104.7%
    2024 47 98.3% 102.0% 105.1%
    2025 3 95.6% 98.4% 102.7%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Aluminum, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01105, MCode: PLM78
Analysis Dates: 05/12/15 through 11/27/18
Open Data Set
Boxplot Description

Water Year = 2017 plotvalue = 85% pctrecov = 85% Water Year = 2017 plotvalue = 83% pctrecov = 83% Water Year = 2016 plotvalue = 126% pctrecov = 126% Water Year = 2016 plotvalue = 130% pctrecov = 132% Water Year = 2016 plotvalue = 130% pctrecov = 133% Water Year = 2016 plotvalue = 130% pctrecov = 131% Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 3 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2017 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 48 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2016 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 65 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Water Year = 2015 First Quartile = 95% Median = 99% Third Quartile = 107% Number of Observations = 31 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Aluminum, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Aluminum, unfltd, ICP-MS, recov 01105PLM78 2015 31 95.0% 99.2% 107.2%
    2016 65 99.8% 103.9% 107.9%
    2017 48 98.0% 101.5% 105.4%
    2019 3 98.4% 101.8% 105.3%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Antimony, fltd, ICP-MS -
Lab: NWQL, PCode: 01095, MCode: PLM43
Analysis Dates: 10/02/04 through 12/20/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 130% pctrecov = 131% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 88% pctrecov = 88% Water Year = 2024 plotvalue = 87% pctrecov = 87% Water Year = 2024 plotvalue = 83% pctrecov = 83% Water Year = 2023 plotvalue = 88% pctrecov = 88% Water Year = 2023 plotvalue = 78% pctrecov = 78% Water Year = 2023 plotvalue = 75% pctrecov = 75% Water Year = 2022 plotvalue = 116% pctrecov = 116% Water Year = 2022 plotvalue = 118% pctrecov = 118% Water Year = 2022 plotvalue = 128% pctrecov = 128% Water Year = 2022 plotvalue = 130% pctrecov = 139% Water Year = 2022 plotvalue = 85% pctrecov = 85% Water Year = 2022 plotvalue = 84% pctrecov = 84% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 88% pctrecov = 88% Water Year = 2021 plotvalue = 85% pctrecov = 85% Water Year = 2021 plotvalue = 83% pctrecov = 83% Water Year = 2021 plotvalue = 76% pctrecov = 76% Water Year = 2020 plotvalue = 113% pctrecov = 113% Water Year = 2020 plotvalue = 88% pctrecov = 88% Water Year = 2020 plotvalue = 81% pctrecov = 81% Water Year = 2019 plotvalue = 87% pctrecov = 87% Water Year = 2019 plotvalue = 70% pctrecov = 2% Water Year = 2017 plotvalue = 110% pctrecov = 110% Water Year = 2017 plotvalue = 115% pctrecov = 115% Water Year = 2017 plotvalue = 92% pctrecov = 92% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2016 plotvalue = 85% pctrecov = 85% Water Year = 2016 plotvalue = 70% pctrecov = 35% Water Year = 2016 plotvalue = 70% pctrecov = 1% Water Year = 2016 plotvalue = 70% pctrecov = 17% Water Year = 2015 plotvalue = 82% pctrecov = 82% Water Year = 2015 plotvalue = 70% pctrecov = 11% Water Year = 2015 plotvalue = 70% pctrecov = 18% Water Year = 2014 plotvalue = 104% pctrecov = 104% Water Year = 2014 plotvalue = 107% pctrecov = 107% Water Year = 2014 plotvalue = 107% pctrecov = 107% Water Year = 2014 plotvalue = 127% pctrecov = 127% Water Year = 2014 plotvalue = 70% pctrecov = 12% Water Year = 2014 plotvalue = 70% pctrecov = 11% Water Year = 2014 plotvalue = 70% pctrecov = 34% Water Year = 2013 plotvalue = 70% pctrecov = 14% Water Year = 2010 plotvalue = 117% pctrecov = 117% Water Year = 2010 plotvalue = 119% pctrecov = 119% Water Year = 2010 plotvalue = 122% pctrecov = 122% Water Year = 2010 plotvalue = 128% pctrecov = 128% Water Year = 2010 plotvalue = 91% pctrecov = 91% Water Year = 2010 plotvalue = 89% pctrecov = 89% Water Year = 2010 plotvalue = 89% pctrecov = 89% Water Year = 2009 plotvalue = 110% pctrecov = 110% Water Year = 2009 plotvalue = 111% pctrecov = 111% Water Year = 2009 plotvalue = 119% pctrecov = 119% Water Year = 2009 plotvalue = 89% pctrecov = 89% Water Year = 2009 plotvalue = 88% pctrecov = 88% Water Year = 2009 plotvalue = 70% pctrecov = 13% Water Year = 2008 plotvalue = 111% pctrecov = 111% Water Year = 2008 plotvalue = 112% pctrecov = 112% Water Year = 2008 plotvalue = 78% pctrecov = 78% Water Year = 2008 plotvalue = 70% pctrecov = 6% Water Year = 2008 plotvalue = 70% pctrecov = 9% Water Year = 2008 plotvalue = 70% pctrecov = 17% Water Year = 2008 plotvalue = 70% pctrecov = 5% Water Year = 2007 plotvalue = 70% pctrecov = 1% Water Year = 2007 plotvalue = 70% pctrecov = 1% Water Year = 2006 plotvalue = 114% pctrecov = 114% Water Year = 2006 plotvalue = 114% pctrecov = 114% Water Year = 2006 plotvalue = 117% pctrecov = 117% Water Year = 2006 plotvalue = 87% pctrecov = 87% Water Year = 2006 plotvalue = 84% pctrecov = 84% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 83% pctrecov = 83% Water Year = 2006 plotvalue = 82% pctrecov = 82% Water Year = 2006 plotvalue = 81% pctrecov = 81% Water Year = 2006 plotvalue = 78% pctrecov = 78% Water Year = 2006 plotvalue = 77% pctrecov = 77% Water Year = 2005 plotvalue = 129% pctrecov = 129% Water Year = 2004 plotvalue = 103% pctrecov = 103% Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 99% Median = 102% Third Quartile = 102% Number of Observations = 9 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 90 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2023 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2021 First Quartile = 99% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 86 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 102% Third Quartile = 105% Number of Observations = 78 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2017 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2016 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 74 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 72 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2014 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 83 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 103% Number of Observations = 108 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2012 First Quartile = 80% Median = 86% Third Quartile = 93% Number of Observations = 132 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2011 First Quartile = 85% Median = 92% Third Quartile = 99% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 105% Number of Observations = 132 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 101% Number of Observations = 105 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2008 First Quartile = 93% Median = 96% Third Quartile = 99% Number of Observations = 128 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 122 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 169 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 131 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Water Year = 2004 First Quartile = 93% Median = 95% Third Quartile = 96% Number of Observations = 9 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Antimony, fltd, ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Antimony, fltd, ICP-MS 01095PLM43 2004 9 92.7% 94.7% 96.2%
    2005 131 98.0% 101.7% 108.3%
    2006 169 96.9% 99.7% 103.3%
    2007 122 99.1% 101.7% 106.0%
    2008 128 92.8% 96.2% 99.3%
    2009 105 96.2% 98.6% 101.0%
    2010 132 99.8% 102.4% 105.3%
    2011 131 85.1% 92.2% 98.5%
    2012 132 80.4% 86.0% 93.2%
    2013 108 94.8% 97.6% 102.5%
    2014 83 92.9% 95.4% 97.4%
    2015 72 94.7% 98.1% 100.3%
    2016 74 95.3% 99.0% 101.3%
    2017 90 98.8% 100.8% 102.8%
    2019 78 98.5% 101.5% 105.2%
    2020 86 99.1% 101.8% 104.6%
    2021 90 98.9% 102.6% 105.4%
    2022 89 97.9% 100.3% 103.4%
    2023 89 98.5% 101.3% 103.6%
    2024 90 98.8% 101.9% 105.2%
    2025 9 99.0% 101.8% 102.2%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Antimony, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01097, MCode: PLM48
Analysis Dates: 11/15/07 through 04/30/15
Open Data Set
Boxplot Description

Water Year = 2014 plotvalue = 106% pctrecov = 106% Water Year = 2014 plotvalue = 108% pctrecov = 108% Water Year = 2013 plotvalue = 107% pctrecov = 107% Water Year = 2013 plotvalue = 112% pctrecov = 112% Water Year = 2013 plotvalue = 85% pctrecov = 85% Water Year = 2011 plotvalue = 109% pctrecov = 109% Water Year = 2011 plotvalue = 113% pctrecov = 113% Water Year = 2011 plotvalue = 115% pctrecov = 115% Water Year = 2011 plotvalue = 127% pctrecov = 127% Water Year = 2011 plotvalue = 130% pctrecov = 171% Water Year = 2011 plotvalue = 130% pctrecov = 181% Water Year = 2011 plotvalue = 130% pctrecov = 199% Water Year = 2010 plotvalue = 70% pctrecov = 69% Water Year = 2008 plotvalue = 78% pctrecov = 78% Water Year = 2008 plotvalue = 76% pctrecov = 76% Water Year = 2008 plotvalue = 73% pctrecov = 73% Water Year = 2008 plotvalue = 70% pctrecov = 63% Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2015 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 27 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2014 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 32 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2013 First Quartile = 93% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2010 First Quartile = 93% Median = 97% Third Quartile = 99% Number of Observations = 48 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2009 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 32 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Water Year = 2008 First Quartile = 98% Median = 102% Third Quartile = 108% Number of Observations = 47 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Antimony, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Antimony, unfltd, ICP-MS, recov 01097PLM48 2008 47 98.4% 102.1% 107.6%
    2009 32 95.6% 101.4% 107.9%
    2010 48 92.9% 96.7% 99.0%
    2011 48 95.1% 97.6% 100.1%
    2013 48 92.9% 95.1% 97.8%
    2014 32 95.8% 97.5% 99.4%
    2015 27 96.3% 97.8% 99.7%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Antimony, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01097, MCode: PLM78
Analysis Dates: 05/12/15 through 11/19/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 70% pctrecov = 66% Water Year = 2024 plotvalue = 70% pctrecov = 46% Water Year = 2024 plotvalue = 70% pctrecov = 49% Water Year = 2024 plotvalue = 70% pctrecov = 51% Water Year = 2024 plotvalue = 70% pctrecov = 51% Water Year = 2024 plotvalue = 70% pctrecov = 47% Water Year = 2023 plotvalue = 81% pctrecov = 81% Water Year = 2021 plotvalue = 130% pctrecov = 138% Water Year = 2021 plotvalue = 92% pctrecov = 92% Water Year = 2021 plotvalue = 80% pctrecov = 80% Water Year = 2021 plotvalue = 76% pctrecov = 76% Water Year = 2019 plotvalue = 119% pctrecov = 119% Water Year = 2016 plotvalue = 127% pctrecov = 127% Water Year = 2015 plotvalue = 113% pctrecov = 113% Water Year = 2015 plotvalue = 86% pctrecov = 86% Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2025 First Quartile = 79% Median = 99% Third Quartile = 104% Number of Observations = 3 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2024 First Quartile = 92% Median = 99% Third Quartile = 104% Number of Observations = 47 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2023 First Quartile = 96% Median = 98% Third Quartile = 102% Number of Observations = 48 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 47 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2021 First Quartile = 100% Median = 104% Third Quartile = 105% Number of Observations = 48 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 102% Third Quartile = 105% Number of Observations = 44 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 40 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 106% Number of Observations = 48 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2016 First Quartile = 98% Median = 100% Third Quartile = 105% Number of Observations = 42 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Water Year = 2015 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 21 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Antimony, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Antimony, unfltd, ICP-MS, recov 01097PLM78 2015 21 98.5% 101.3% 103.3%
    2016 42 98.5% 100.4% 105.0%
    2017 48 99.7% 102.9% 106.3%
    2019 40 99.7% 103.1% 105.8%
    2020 44 99.3% 102.3% 105.3%
    2021 48 100.3% 103.6% 104.9%
    2022 47 95.9% 99.0% 103.2%
    2023 48 95.5% 97.9% 102.0%
    2024 47 92.5% 98.7% 103.8%
    2025 3 78.6% 99.0% 103.5%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenate [as (V)], IC-ICP-MS -
Lab: NWQL, PCode: 62453, MCode: PLM36
Analysis Dates: 10/29/04 through 10/25/07
Open Data Set
Boxplot Description

Water Year = 2006 plotvalue = 112% pctrecov = 112% Water Year = 2006 plotvalue = 112% pctrecov = 112% Water Year = 2006 plotvalue = 93% pctrecov = 93% Water Year = 2006 plotvalue = 92% pctrecov = 92% Water Year = 2005 plotvalue = 70% pctrecov = 70% Water Year = 2005 plotvalue = 70% pctrecov = 10% Water Year = 2005 plotvalue = 70% pctrecov = 10% Water Year = 2005 plotvalue = 70% pctrecov = 10% Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 91% Third Quartile = 96% Number of Observations = 18 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2006 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 22 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Water Year = 2005 First Quartile = 92% Median = 95% Third Quartile = 98% Number of Observations = 30 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenate [as (V)], IC-ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenate [as (V)], IC-ICP-MS 62453PLM36 2005 30 91.9% 95.5% 98.4%
    2006 22 98.6% 100.7% 101.6%
    2007 18 90.1% 91.0% 96.1%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenate [as (V)], IC-ICP-MS (w/org) -
Lab: NWQL, PCode: 62453, MCode: PLM35
Analysis Dates: 11/16/04 through 10/12/07
Open Data Set
Boxplot Description

Water Year = 2007 plotvalue = 101% pctrecov = 101% Water Year = 2005 plotvalue = 108% pctrecov = 108% Water Year = 2005 plotvalue = 109% pctrecov = 109% Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2007 First Quartile = 89% Median = 91% Third Quartile = 92% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2006 First Quartile = 93% Median = 98% Third Quartile = 104% Number of Observations = 18 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Water Year = 2005 First Quartile = 98% Median = 99% Third Quartile = 102% Number of Observations = 30 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenate [as (V)], IC-ICP-MS (w/org)

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenate [as (V)], IC-ICP-MS (w/org) 62453PLM35 2005 30 97.7% 99.3% 101.5%
    2006 18 92.6% 97.7% 103.8%
    2007 18 88.5% 91.3% 92.4%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenic, fltd, ICP-MS -
Lab: NWQL, PCode: 01000, MCode: PLM40
Analysis Dates: 10/02/04 through 10/06/05
Open Data Set
Boxplot Description

Water Year = 2005 plotvalue = 110% pctrecov = 110% Water Year = 2005 plotvalue = 112% pctrecov = 112% Water Year = 2005 plotvalue = 113% pctrecov = 113% Water Year = 2005 plotvalue = 130% pctrecov = 131% Water Year = 2005 plotvalue = 70% pctrecov = 5% Water Year = 2004 plotvalue = 78% pctrecov = 78% Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2005 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 126 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Water Year = 2004 First Quartile = 95% Median = 96% Third Quartile = 97% Number of Observations = 9 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenic, fltd, ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenic, fltd, ICP-MS 01000PLM40 2004 9 95.0% 95.9% 97.1%
    2005 126 96.3% 98.7% 101.6%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenic, fltd, cICP-MS -
Lab: NWQL, PCode: 01000, MCode: PLM10
Analysis Dates: 09/09/05 through 12/20/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 130% pctrecov = 181% Water Year = 2024 plotvalue = 82% pctrecov = 82% Water Year = 2024 plotvalue = 81% pctrecov = 81% Water Year = 2024 plotvalue = 77% pctrecov = 77% Water Year = 2023 plotvalue = 84% pctrecov = 84% Water Year = 2023 plotvalue = 79% pctrecov = 79% Water Year = 2022 plotvalue = 112% pctrecov = 112% Water Year = 2022 plotvalue = 91% pctrecov = 91% Water Year = 2022 plotvalue = 91% pctrecov = 91% Water Year = 2022 plotvalue = 90% pctrecov = 90% Water Year = 2022 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 87% pctrecov = 87% Water Year = 2022 plotvalue = 86% pctrecov = 86% Water Year = 2022 plotvalue = 85% pctrecov = 85% Water Year = 2022 plotvalue = 84% pctrecov = 84% Water Year = 2022 plotvalue = 80% pctrecov = 80% Water Year = 2021 plotvalue = 118% pctrecov = 118% Water Year = 2019 plotvalue = 123% pctrecov = 123% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2017 plotvalue = 91% pctrecov = 91% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2017 plotvalue = 90% pctrecov = 90% Water Year = 2017 plotvalue = 89% pctrecov = 89% Water Year = 2017 plotvalue = 84% pctrecov = 84% Water Year = 2017 plotvalue = 79% pctrecov = 79% Water Year = 2016 plotvalue = 126% pctrecov = 126% Water Year = 2016 plotvalue = 70% pctrecov = 1% Water Year = 2016 plotvalue = 70% pctrecov = 24% Water Year = 2015 plotvalue = 123% pctrecov = 123% Water Year = 2015 plotvalue = 130% pctrecov = 152% Water Year = 2015 plotvalue = 130% pctrecov = 141% Water Year = 2015 plotvalue = 130% pctrecov = 324% Water Year = 2015 plotvalue = 73% pctrecov = 73% Water Year = 2015 plotvalue = 73% pctrecov = 73% Water Year = 2014 plotvalue = 129% pctrecov = 129% Water Year = 2014 plotvalue = 70% pctrecov = 56% Water Year = 2014 plotvalue = 70% pctrecov = 56% Water Year = 2014 plotvalue = 70% pctrecov = 52% Water Year = 2013 plotvalue = 70% pctrecov = 51% Water Year = 2012 plotvalue = 115% pctrecov = 115% Water Year = 2012 plotvalue = 116% pctrecov = 116% Water Year = 2012 plotvalue = 130% pctrecov = 208% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2012 plotvalue = 82% pctrecov = 82% Water Year = 2012 plotvalue = 70% pctrecov = 16% Water Year = 2012 plotvalue = 70% pctrecov = 2% Water Year = 2011 plotvalue = 87% pctrecov = 87% Water Year = 2011 plotvalue = 86% pctrecov = 86% Water Year = 2011 plotvalue = 70% pctrecov = 1% Water Year = 2009 plotvalue = 117% pctrecov = 117% Water Year = 2009 plotvalue = 70% pctrecov = 35% Water Year = 2008 plotvalue = 109% pctrecov = 109% Water Year = 2008 plotvalue = 89% pctrecov = 89% Water Year = 2008 plotvalue = 70% pctrecov = 9% Water Year = 2008 plotvalue = 70% pctrecov = 41% Water Year = 2008 plotvalue = 70% pctrecov = 4% Water Year = 2008 plotvalue = 70% pctrecov = 14% Water Year = 2008 plotvalue = 70% pctrecov = 7% Water Year = 2007 plotvalue = 121% pctrecov = 121% Water Year = 2007 plotvalue = 70% pctrecov = 9% Water Year = 2007 plotvalue = 70% pctrecov = 4% Water Year = 2006 plotvalue = 112% pctrecov = 112% Water Year = 2006 plotvalue = 84% pctrecov = 84% Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2025 First Quartile = 101% Median = 105% Third Quartile = 109% Number of Observations = 9 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2024 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 90 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 89 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2021 First Quartile = 101% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2020 First Quartile = 102% Median = 107% Third Quartile = 111% Number of Observations = 86 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 98% Median = 101% Third Quartile = 103% Number of Observations = 78 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2017 First Quartile = 102% Median = 105% Third Quartile = 109% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 94% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 90% Median = 96% Third Quartile = 102% Number of Observations = 83 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 108 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 104% Number of Observations = 132 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 131 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 104% Third Quartile = 108% Number of Observations = 132 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2009 First Quartile = 102% Median = 105% Third Quartile = 107% Number of Observations = 105 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2008 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 128 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2007 First Quartile = 98% Median = 103% Third Quartile = 106% Number of Observations = 122 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 101% Number of Observations = 123 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Water Year = 2005 First Quartile = 95% Median = 99% Third Quartile = 100% Number of Observations = 13 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenic, fltd, cICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenic, fltd, cICP-MS 01000PLM10 2005 13 95.4% 98.9% 99.7%
    2006 123 94.2% 97.5% 100.8%
    2007 122 98.0% 102.8% 106.0%
    2008 128 96.6% 99.2% 101.2%
    2009 105 102.0% 104.5% 107.4%
    2010 132 99.2% 104.3% 108.5%
    2011 131 97.7% 100.2% 102.9%
    2012 132 97.6% 101.1% 104.2%
    2013 108 99.9% 103.0% 105.1%
    2014 83 90.0% 96.1% 102.4%
    2015 90 92.7% 98.7% 103.2%
    2016 90 94.5% 100.3% 104.0%
    2017 90 102.4% 105.5% 109.0%
    2019 78 97.9% 100.6% 103.3%
    2020 86 102.4% 107.4% 111.5%
    2021 90 100.6% 103.4% 107.0%
    2022 89 98.7% 101.9% 103.6%
    2023 89 99.6% 104.5% 107.6%
    2024 90 99.5% 103.7% 107.5%
    2025 9 100.9% 104.8% 108.9%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenic, unfltd, cICP-MS, recov -
Lab: NWQL, PCode: 01002, MCode: PLM11
Analysis Dates: 09/20/05 through 04/30/15
Open Data Set
Boxplot Description

Water Year = 2014 plotvalue = 130% pctrecov = 131% Water Year = 2014 plotvalue = 130% pctrecov = 137% Water Year = 2014 plotvalue = 130% pctrecov = 162% Water Year = 2014 plotvalue = 86% pctrecov = 86% Water Year = 2013 plotvalue = 113% pctrecov = 113% Water Year = 2013 plotvalue = 113% pctrecov = 113% Water Year = 2013 plotvalue = 113% pctrecov = 113% Water Year = 2013 plotvalue = 119% pctrecov = 119% Water Year = 2012 plotvalue = 128% pctrecov = 128% Water Year = 2012 plotvalue = 129% pctrecov = 129% Water Year = 2012 plotvalue = 130% pctrecov = 257% Water Year = 2012 plotvalue = 130% pctrecov = 257% Water Year = 2012 plotvalue = 85% pctrecov = 85% Water Year = 2010 plotvalue = 116% pctrecov = 116% Water Year = 2010 plotvalue = 117% pctrecov = 117% Water Year = 2009 plotvalue = 117% pctrecov = 117% Water Year = 2009 plotvalue = 122% pctrecov = 122% Water Year = 2009 plotvalue = 91% pctrecov = 91% Water Year = 2008 plotvalue = 112% pctrecov = 112% Water Year = 2008 plotvalue = 113% pctrecov = 113% Water Year = 2008 plotvalue = 114% pctrecov = 114% Water Year = 2008 plotvalue = 114% pctrecov = 114% Water Year = 2008 plotvalue = 114% pctrecov = 114% Water Year = 2008 plotvalue = 116% pctrecov = 116% Water Year = 2008 plotvalue = 116% pctrecov = 116% Water Year = 2008 plotvalue = 117% pctrecov = 117% Water Year = 2008 plotvalue = 90% pctrecov = 90% Water Year = 2008 plotvalue = 70% pctrecov = 28% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 116% pctrecov = 116% Water Year = 2007 plotvalue = 86% pctrecov = 86% Water Year = 2007 plotvalue = 70% pctrecov = 15% Water Year = 2006 plotvalue = 116% pctrecov = 116% Water Year = 2006 plotvalue = 117% pctrecov = 117% Water Year = 2006 plotvalue = 79% pctrecov = 79% Water Year = 2006 plotvalue = 75% pctrecov = 75% Water Year = 2006 plotvalue = 70% pctrecov = 9% Water Year = 2006 plotvalue = 70% pctrecov = 53% Water Year = 2005 plotvalue = 127% pctrecov = 127% Water Year = 2005 plotvalue = 94% pctrecov = 94% Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2015 First Quartile = 101% Median = 106% Third Quartile = 113% Number of Observations = 39 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2014 First Quartile = 99% Median = 103% Third Quartile = 108% Number of Observations = 70 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2013 First Quartile = 98% Median = 100% Third Quartile = 104% Number of Observations = 108 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2012 First Quartile = 98% Median = 101% Third Quartile = 107% Number of Observations = 83 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2011 First Quartile = 103% Median = 110% Third Quartile = 130% Number of Observations = 130 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 106% Number of Observations = 131 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 103 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2008 First Quartile = 102% Median = 103% Third Quartile = 106% Number of Observations = 133 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2007 First Quartile = 96% Median = 100% Third Quartile = 103% Number of Observations = 126 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 102% Number of Observations = 127 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Water Year = 2005 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 12 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenic, unfltd, cICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenic, unfltd, cICP-MS, recov 01002PLM11 2005 12 98.4% 99.7% 100.7%
    2006 127 93.9% 98.5% 101.9%
    2007 126 96.3% 99.8% 102.6%
    2008 133 101.5% 103.2% 105.6%
    2009 103 100.6% 103.7% 106.1%
    2010 131 99.7% 102.3% 105.7%
    2011 130 102.6% 109.8% 130.3%
    2012 83 98.0% 101.0% 106.7%
    2013 108 97.8% 100.3% 103.5%
    2014 70 99.2% 103.2% 108.1%
    2015 39 101.4% 106.0% 112.9%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenic, unfltd, cICP-MS, recov -
Lab: NWQL, PCode: 01002, MCode: PLM77
Analysis Dates: 05/12/15 through 11/19/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 81% pctrecov = 81% Water Year = 2023 plotvalue = 87% pctrecov = 87% Water Year = 2023 plotvalue = 84% pctrecov = 84% Water Year = 2023 plotvalue = 83% pctrecov = 83% Water Year = 2023 plotvalue = 81% pctrecov = 81% Water Year = 2020 plotvalue = 124% pctrecov = 124% Water Year = 2020 plotvalue = 125% pctrecov = 125% Water Year = 2019 plotvalue = 122% pctrecov = 122% Water Year = 2019 plotvalue = 88% pctrecov = 88% Water Year = 2019 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 86% pctrecov = 86% Water Year = 2017 plotvalue = 80% pctrecov = 80% Water Year = 2017 plotvalue = 79% pctrecov = 79% Water Year = 2016 plotvalue = 83% pctrecov = 83% Water Year = 2016 plotvalue = 83% pctrecov = 83% Water Year = 2015 plotvalue = 130% pctrecov = 158% Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2025 First Quartile = 98% Median = 101% Third Quartile = 110% Number of Observations = 3 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2024 First Quartile = 95% Median = 100% Third Quartile = 103% Number of Observations = 47 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2023 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 48 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 102% Third Quartile = 105% Number of Observations = 47 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 100% Third Quartile = 103% Number of Observations = 48 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2020 First Quartile = 98% Median = 101% Third Quartile = 105% Number of Observations = 44 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2019 First Quartile = 100% Median = 104% Third Quartile = 108% Number of Observations = 55 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 105% Third Quartile = 108% Number of Observations = 90 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2016 First Quartile = 102% Median = 108% Third Quartile = 114% Number of Observations = 88 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Water Year = 2015 First Quartile = 105% Median = 108% Third Quartile = 114% Number of Observations = 40 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenic, unfltd, cICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenic, unfltd, cICP-MS, recov 01002PLM77 2015 40 105.2% 108.0% 114.5%
    2016 88 102.1% 108.4% 114.1%
    2017 90 100.0% 104.8% 107.9%
    2019 55 100.3% 104.0% 108.4%
    2020 44 97.7% 101.2% 105.2%
    2021 48 98.0% 100.4% 102.8%
    2022 47 96.0% 101.7% 104.7%
    2023 48 97.4% 100.3% 104.2%
    2024 47 94.7% 99.8% 102.9%
    2025 3 98.2% 100.7% 110.4%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenite [AS (III)], IC-ICP-MS -
Lab: NWQL, PCode: 62452, MCode: PLM36
Analysis Dates: 10/29/04 through 10/25/07
Open Data Set
Boxplot Description

Water Year = 2006 plotvalue = 115% pctrecov = 115% Water Year = 2006 plotvalue = 116% pctrecov = 116% Water Year = 2005 plotvalue = 70% pctrecov = 8% Water Year = 2005 plotvalue = 70% pctrecov = 8% Water Year = 2005 plotvalue = 70% pctrecov = 8% Water Year = 2005 plotvalue = 70% pctrecov = 8% Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2007 First Quartile = 91% Median = 93% Third Quartile = 95% Number of Observations = 18 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2006 First Quartile = 97% Median = 100% Third Quartile = 103% Number of Observations = 22 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Water Year = 2005 First Quartile = 93% Median = 97% Third Quartile = 100% Number of Observations = 30 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenite [AS (III)], IC-ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenite [AS (III)], IC-ICP-MS 62452PLM36 2005 30 93.2% 96.9% 99.6%
    2006 22 97.4% 99.9% 103.2%
    2007 18 90.9% 92.5% 94.6%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Arsenite [AS (III)], IC-ICP-MS (w/org) -
Lab: NWQL, PCode: 62452, MCode: PLM35
Analysis Dates: 11/16/04 through 10/12/07
Open Data Set
Boxplot Description

Water Year = 2005 plotvalue = 109% pctrecov = 109% Water Year = 2005 plotvalue = 93% pctrecov = 93% Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2007 First Quartile = 90% Median = 92% Third Quartile = 94% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2006 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 18 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Water Year = 2005 First Quartile = 99% Median = 99% Third Quartile = 103% Number of Observations = 30 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Arsenite [AS (III)], IC-ICP-MS (w/org)

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Arsenite [AS (III)], IC-ICP-MS (w/org) 62452PLM35 2005 30 98.9% 99.2% 102.5%
    2006 18 95.2% 98.0% 102.2%
    2007 18 89.7% 91.7% 94.4%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Barium, fltd, ICP-MS -
Lab: NWQL, PCode: 01005, MCode: PLM43
Analysis Dates: 10/02/04 through 12/20/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 91% pctrecov = 91% Water Year = 2020 plotvalue = 92% pctrecov = 92% Water Year = 2019 plotvalue = 106% pctrecov = 106% Water Year = 2019 plotvalue = 108% pctrecov = 108% Water Year = 2019 plotvalue = 89% pctrecov = 89% Water Year = 2019 plotvalue = 89% pctrecov = 89% Water Year = 2019 plotvalue = 70% pctrecov = 62% Water Year = 2017 plotvalue = 113% pctrecov = 113% Water Year = 2016 plotvalue = 90% pctrecov = 90% Water Year = 2016 plotvalue = 90% pctrecov = 90% Water Year = 2016 plotvalue = 89% pctrecov = 89% Water Year = 2016 plotvalue = 87% pctrecov = 87% Water Year = 2016 plotvalue = 86% pctrecov = 86% Water Year = 2016 plotvalue = 86% pctrecov = 86% Water Year = 2016 plotvalue = 86% pctrecov = 86% Water Year = 2016 plotvalue = 85% pctrecov = 85% Water Year = 2016 plotvalue = 85% pctrecov = 85% Water Year = 2016 plotvalue = 85% pctrecov = 85% Water Year = 2016 plotvalue = 85% pctrecov = 85% Water Year = 2016 plotvalue = 84% pctrecov = 84% Water Year = 2016 plotvalue = 84% pctrecov = 84% Water Year = 2016 plotvalue = 83% pctrecov = 83% Water Year = 2016 plotvalue = 82% pctrecov = 82% Water Year = 2016 plotvalue = 70% pctrecov = 42% Water Year = 2016 plotvalue = 70% pctrecov = 0% Water Year = 2016 plotvalue = 70% pctrecov = 12% Water Year = 2015 plotvalue = 85% pctrecov = 85% Water Year = 2015 plotvalue = 82% pctrecov = 82% Water Year = 2015 plotvalue = 70% pctrecov = 43% Water Year = 2014 plotvalue = 111% pctrecov = 111% Water Year = 2014 plotvalue = 112% pctrecov = 112% Water Year = 2014 plotvalue = 130% pctrecov = 606% Water Year = 2014 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 70% pctrecov = 1% Water Year = 2013 plotvalue = 92% pctrecov = 92% Water Year = 2012 plotvalue = 114% pctrecov = 114% Water Year = 2012 plotvalue = 130% pctrecov = 220% Water Year = 2012 plotvalue = 99% pctrecov = 99% Water Year = 2012 plotvalue = 95% pctrecov = 95% Water Year = 2012 plotvalue = 70% pctrecov = 52% Water Year = 2011 plotvalue = 130% pctrecov = 191% Water Year = 2011 plotvalue = 70% pctrecov = 26% Water Year = 2010 plotvalue = 118% pctrecov = 118% Water Year = 2010 plotvalue = 92% pctrecov = 92% Water Year = 2009 plotvalue = 91% pctrecov = 91% Water Year = 2009 plotvalue = 70% pctrecov = 59% Water Year = 2009 plotvalue = 70% pctrecov = 63% Water Year = 2008 plotvalue = 106% pctrecov = 106% Water Year = 2008 plotvalue = 108% pctrecov = 108% Water Year = 2008 plotvalue = 113% pctrecov = 113% Water Year = 2008 plotvalue = 130% pctrecov = 172% Water Year = 2008 plotvalue = 70% pctrecov = 34% Water Year = 2008 plotvalue = 70% pctrecov = 1% Water Year = 2007 plotvalue = 109% pctrecov = 109% Water Year = 2007 plotvalue = 110% pctrecov = 110% Water Year = 2007 plotvalue = 110% pctrecov = 110% Water Year = 2007 plotvalue = 113% pctrecov = 113% Water Year = 2007 plotvalue = 95% pctrecov = 95% Water Year = 2007 plotvalue = 70% pctrecov = 15% Water Year = 2007 plotvalue = 70% pctrecov = 42% Water Year = 2004 plotvalue = 105% pctrecov = 105% Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2025 First Quartile = 100% Median = 101% Third Quartile = 102% Number of Observations = 9 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2024 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 90 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2023 First Quartile = 99% Median = 100% Third Quartile = 103% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2022 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 89 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2021 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 90 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2020 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 86 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2019 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 78 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2017 First Quartile = 100% Median = 103% Third Quartile = 105% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 99% Median = 101% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2015 First Quartile = 96% Median = 101% Third Quartile = 103% Number of Observations = 90 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2014 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 83 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2013 First Quartile = 102% Median = 106% Third Quartile = 108% Number of Observations = 108 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2012 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 132 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 131 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2010 First Quartile = 99% Median = 102% Third Quartile = 104% Number of Observations = 132 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2009 First Quartile = 99% Median = 101% Third Quartile = 102% Number of Observations = 105 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 128 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2007 First Quartile = 100% Median = 102% Third Quartile = 104% Number of Observations = 122 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2006 First Quartile = 96% Median = 101% Third Quartile = 104% Number of Observations = 169 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2005 First Quartile = 95% Median = 100% Third Quartile = 102% Number of Observations = 131 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Water Year = 2004 First Quartile = 98% Median = 99% Third Quartile = 100% Number of Observations = 9 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Barium, fltd, ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Barium, fltd, ICP-MS 01005PLM43 2004 9 98.2% 99.3% 100.1%
    2005 131 95.0% 100.0% 102.4%
    2006 169 95.8% 100.7% 104.0%
    2007 122 100.3% 102.0% 103.9%
    2008 128 98.8% 100.3% 101.8%
    2009 105 99.1% 100.5% 102.1%
    2010 132 99.2% 101.8% 104.1%
    2011 131 96.8% 99.5% 103.2%
    2012 132 104.6% 106.0% 108.1%
    2013 108 102.4% 105.8% 108.2%
    2014 83 98.5% 100.0% 102.5%
    2015 90 96.0% 100.8% 103.2%
    2016 90 98.7% 101.3% 103.7%
    2017 90 100.1% 102.8% 105.0%
    2019 78 96.4% 99.1% 100.1%
    2020 86 99.0% 100.8% 103.2%
    2021 90 97.0% 98.8% 101.2%
    2022 89 99.1% 100.5% 102.4%
    2023 89 98.6% 100.3% 102.5%
    2024 90 98.7% 100.2% 102.9%
    2025 9 99.9% 101.1% 102.1%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Barium, fltd, ICP-OES -
Lab: NWQL, PCode: 01005, MCode: PLA11
Analysis Dates: 10/09/04 through 11/15/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 94% pctrecov = 94% Water Year = 2023 plotvalue = 96% pctrecov = 96% Water Year = 2021 plotvalue = 95% pctrecov = 95% Water Year = 2021 plotvalue = 94% pctrecov = 94% Water Year = 2020 plotvalue = 94% pctrecov = 94% Water Year = 2015 plotvalue = 104% pctrecov = 104% Water Year = 2015 plotvalue = 107% pctrecov = 107% Water Year = 2015 plotvalue = 108% pctrecov = 108% Water Year = 2015 plotvalue = 89% pctrecov = 89% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2015 plotvalue = 88% pctrecov = 88% Water Year = 2015 plotvalue = 86% pctrecov = 86% Water Year = 2014 plotvalue = 92% pctrecov = 92% Water Year = 2014 plotvalue = 90% pctrecov = 90% Water Year = 2014 plotvalue = 84% pctrecov = 84% Water Year = 2014 plotvalue = 70% pctrecov = 55% Water Year = 2012 plotvalue = 104% pctrecov = 104% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 105% pctrecov = 105% Water Year = 2012 plotvalue = 87% pctrecov = 87% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 91% pctrecov = 91% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2011 plotvalue = 89% pctrecov = 89% Water Year = 2011 plotvalue = 88% pctrecov = 88% Water Year = 2009 plotvalue = 107% pctrecov = 107% Water Year = 2009 plotvalue = 108% pctrecov = 108% Water Year = 2009 plotvalue = 108% pctrecov = 108% Water Year = 2009 plotvalue = 115% pctrecov = 115% Water Year = 2009 plotvalue = 91% pctrecov = 91% Water Year = 2009 plotvalue = 91% pctrecov = 91% Water Year = 2009 plotvalue = 91% pctrecov = 91% Water Year = 2008 plotvalue = 108% pctrecov = 108% Water Year = 2008 plotvalue = 130% pctrecov = 1020% Water Year = 2007 plotvalue = 108% pctrecov = 108% Water Year = 2005 plotvalue = 107% pctrecov = 107% Water Year = 2005 plotvalue = 96% pctrecov = 96% Water Year = 2005 plotvalue = 95% pctrecov = 95% Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2024 First Quartile = 101% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2023 First Quartile = 101% Median = 101% Third Quartile = 103% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2022 First Quartile = 102% Median = 103% Third Quartile = 105% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2021 First Quartile = 101% Median = 102% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2020 First Quartile = 100% Median = 103% Third Quartile = 103% Number of Observations = 24 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2019 First Quartile = 100% Median = 103% Third Quartile = 104% Number of Observations = 20 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2017 First Quartile = 102% Median = 102% Third Quartile = 104% Number of Observations = 24 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 99% Third Quartile = 103% Number of Observations = 41 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2015 First Quartile = 95% Median = 96% Third Quartile = 99% Number of Observations = 42 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2014 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 46 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2013 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2012 First Quartile = 96% Median = 97% Third Quartile = 99% Number of Observations = 42 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2011 First Quartile = 96% Median = 98% Third Quartile = 99% Number of Observations = 41 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2010 First Quartile = 95% Median = 98% Third Quartile = 100% Number of Observations = 42 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2009 First Quartile = 97% Median = 99% Third Quartile = 100% Number of Observations = 110 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2008 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 40 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2007 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 46 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2006 First Quartile = 98% Median = 100% Third Quartile = 101% Number of Observations = 48 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Water Year = 2005 First Quartile = 100% Median = 101% Third Quartile = 103% Number of Observations = 82 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Barium, fltd, ICP-OES

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Barium, fltd, ICP-OES 01005PLA11 2005 82 100.0% 101.5% 102.7%
    2006 48 98.0% 99.8% 101.5%
    2007 46 99.7% 100.8% 102.7%
    2008 40 98.6% 100.3% 102.2%
    2009 110 97.0% 98.6% 100.5%
    2010 42 95.0% 98.2% 100.0%
    2011 41 95.8% 97.7% 99.0%
    2012 42 95.7% 97.3% 99.0%
    2013 42 94.7% 97.6% 100.1%
    2014 46 97.3% 99.2% 100.3%
    2015 42 94.9% 96.4% 98.6%
    2016 41 96.4% 98.6% 102.6%
    2017 24 101.6% 102.5% 103.7%
    2019 20 100.2% 102.6% 104.5%
    2020 24 100.2% 102.8% 103.4%
    2021 24 100.9% 101.8% 103.4%
    2022 24 101.9% 103.5% 104.9%
    2023 24 101.0% 101.5% 103.5%
    2024 24 101.4% 103.0% 104.7%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Barium, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01007, MCode: PLM47
Analysis Dates: 11/01/04 through 04/30/15
Open Data Set
Boxplot Description

Water Year = 2015 plotvalue = 110% pctrecov = 110% Water Year = 2015 plotvalue = 111% pctrecov = 111% Water Year = 2014 plotvalue = 97% pctrecov = 97% Water Year = 2013 plotvalue = 114% pctrecov = 114% Water Year = 2013 plotvalue = 118% pctrecov = 118% Water Year = 2013 plotvalue = 93% pctrecov = 93% Water Year = 2013 plotvalue = 93% pctrecov = 93% Water Year = 2012 plotvalue = 116% pctrecov = 116% Water Year = 2012 plotvalue = 95% pctrecov = 95% Water Year = 2012 plotvalue = 95% pctrecov = 95% Water Year = 2010 plotvalue = 110% pctrecov = 110% Water Year = 2010 plotvalue = 111% pctrecov = 111% Water Year = 2010 plotvalue = 93% pctrecov = 93% Water Year = 2007 plotvalue = 109% pctrecov = 109% Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2015 First Quartile = 104% Median = 105% Third Quartile = 106% Number of Observations = 27 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2014 First Quartile = 103% Median = 104% Third Quartile = 106% Number of Observations = 45 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2013 First Quartile = 100% Median = 101% Third Quartile = 104% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2012 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 48 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2011 First Quartile = 101% Median = 104% Third Quartile = 106% Number of Observations = 82 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2010 First Quartile = 100% Median = 102% Third Quartile = 103% Number of Observations = 84 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2009 First Quartile = 101% Median = 104% Third Quartile = 105% Number of Observations = 39 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 99% Median = 101% Third Quartile = 103% Number of Observations = 47 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2007 First Quartile = 97% Median = 100% Third Quartile = 101% Number of Observations = 44 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2006 First Quartile = 94% Median = 98% Third Quartile = 99% Number of Observations = 93 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Water Year = 2005 First Quartile = 91% Median = 95% Third Quartile = 99% Number of Observations = 60 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Barium, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Barium, unfltd, ICP-MS, recov 01007PLM47 2005 60 91.0% 95.0% 99.3%
    2006 93 94.4% 97.6% 99.5%
    2007 44 97.2% 99.9% 101.4%
    2008 47 99.1% 101.0% 102.5%
    2009 39 100.8% 103.7% 105.4%
    2010 84 99.6% 101.5% 103.4%
    2011 82 101.1% 103.5% 106.3%
    2012 48 103.4% 105.9% 107.3%
    2013 48 100.0% 101.3% 103.7%
    2014 45 102.7% 104.0% 105.5%
    2015 27 103.9% 105.4% 106.5%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Barium, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01007, MCode: PLM78
Analysis Dates: 05/12/15 through 11/19/24
Open Data Set
Boxplot Description

Water Year = 2023 plotvalue = 105% pctrecov = 105% Water Year = 2023 plotvalue = 90% pctrecov = 90% Water Year = 2020 plotvalue = 107% pctrecov = 107% Water Year = 2017 plotvalue = 108% pctrecov = 108% Water Year = 2016 plotvalue = 98% pctrecov = 98% Water Year = 2015 plotvalue = 113% pctrecov = 113% Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2025 First Quartile = 104% Median = 107% Third Quartile = 108% Number of Observations = 3 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2024 First Quartile = 99% Median = 102% Third Quartile = 106% Number of Observations = 47 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2023 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 48 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2022 First Quartile = 96% Median = 99% Third Quartile = 100% Number of Observations = 47 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2021 First Quartile = 98% Median = 101% Third Quartile = 102% Number of Observations = 48 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2020 First Quartile = 99% Median = 100% Third Quartile = 102% Number of Observations = 44 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2019 First Quartile = 97% Median = 99% Third Quartile = 103% Number of Observations = 40 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2017 First Quartile = 97% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2016 First Quartile = 103% Median = 106% Third Quartile = 107% Number of Observations = 47 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Water Year = 2015 First Quartile = 105% Median = 106% Third Quartile = 108% Number of Observations = 21 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Barium, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Barium, unfltd, ICP-MS, recov 01007PLM78 2015 21 104.6% 106.2% 107.9%
    2016 47 103.4% 105.5% 106.9%
    2017 48 97.0% 98.7% 101.1%
    2019 40 97.5% 99.3% 102.7%
    2020 44 98.9% 100.0% 102.1%
    2021 48 98.4% 100.7% 102.0%
    2022 47 96.0% 98.5% 100.4%
    2023 48 95.2% 96.9% 98.2%
    2024 47 98.8% 102.2% 106.1%
    2025 3 103.9% 107.2% 107.9%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Barium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 01007, MCode: PLA15
Analysis Dates: 10/20/04 through 03/24/15
Open Data Set
Boxplot Description

Water Year = 2014 plotvalue = 99% pctrecov = 99% Water Year = 2014 plotvalue = 101% pctrecov = 101% Water Year = 2014 plotvalue = 86% pctrecov = 86% Water Year = 2013 plotvalue = 130% pctrecov = 727% Water Year = 2005 plotvalue = 130% pctrecov = 637% Water Year = 2005 plotvalue = 70% pctrecov = 22% Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2015 First Quartile = 91% Median = 94% Third Quartile = 95% Number of Observations = 16 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2014 First Quartile = 93% Median = 94% Third Quartile = 95% Number of Observations = 46 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2013 First Quartile = 89% Median = 94% Third Quartile = 96% Number of Observations = 42 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2011 First Quartile = 89% Median = 91% Third Quartile = 93% Number of Observations = 40 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2009 First Quartile = 93% Median = 95% Third Quartile = 97% Number of Observations = 34 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2006 First Quartile = 96% Median = 98% Third Quartile = 101% Number of Observations = 20 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 35 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Barium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Barium, unfltd, ICP-OES, recov 01007PLA15 2005 35 94.0% 99.3% 103.0%
    2006 20 95.8% 98.1% 101.0%
    2009 34 92.8% 95.0% 96.8%
    2011 40 89.3% 91.2% 93.3%
    2013 42 89.3% 93.8% 95.8%
    2014 46 92.5% 93.9% 95.3%
    2015 16 91.2% 93.9% 94.5%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Barium, unfltd, ICP-OES, recov -
Lab: NWQL, PCode: 01007, MCode: PLO07
Analysis Dates: 05/28/15 through 12/03/16
Open Data Set
Boxplot Description

Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2016 First Quartile = 96% Median = 98% Third Quartile = 100% Number of Observations = 41 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Water Year = 2015 First Quartile = 95% Median = 97% Third Quartile = 98% Number of Observations = 26 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Barium, unfltd, ICP-OES, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Barium, unfltd, ICP-OES, recov 01007PLO07 2015 26 94.7% 97.0% 98.0%
    2016 41 96.1% 97.9% 99.9%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Beryllium, fltd, ICP-MS -
Lab: NWQL, PCode: 01010, MCode: PLM43
Analysis Dates: 10/02/04 through 12/20/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 130% pctrecov = 133% Water Year = 2023 plotvalue = 120% pctrecov = 120% Water Year = 2023 plotvalue = 121% pctrecov = 121% Water Year = 2023 plotvalue = 122% pctrecov = 122% Water Year = 2021 plotvalue = 128% pctrecov = 128% Water Year = 2020 plotvalue = 76% pctrecov = 76% Water Year = 2019 plotvalue = 70% pctrecov = 2% Water Year = 2017 plotvalue = 121% pctrecov = 121% Water Year = 2016 plotvalue = 121% pctrecov = 121% Water Year = 2016 plotvalue = 80% pctrecov = 80% Water Year = 2016 plotvalue = 70% pctrecov = 18% Water Year = 2016 plotvalue = 70% pctrecov = 3% Water Year = 2016 plotvalue = 70% pctrecov = 11% Water Year = 2015 plotvalue = 118% pctrecov = 118% Water Year = 2015 plotvalue = 84% pctrecov = 84% Water Year = 2015 plotvalue = 82% pctrecov = 82% Water Year = 2015 plotvalue = 70% pctrecov = 11% Water Year = 2015 plotvalue = 70% pctrecov = 24% Water Year = 2014 plotvalue = 85% pctrecov = 85% Water Year = 2014 plotvalue = 70% pctrecov = 12% Water Year = 2014 plotvalue = 70% pctrecov = 24% Water Year = 2014 plotvalue = 70% pctrecov = 21% Water Year = 2013 plotvalue = 122% pctrecov = 122% Water Year = 2013 plotvalue = 127% pctrecov = 127% Water Year = 2013 plotvalue = 79% pctrecov = 79% Water Year = 2013 plotvalue = 70% pctrecov = 4% Water Year = 2012 plotvalue = 130% pctrecov = 258% Water Year = 2011 plotvalue = 70% pctrecov = 57% Water Year = 2011 plotvalue = 70% pctrecov = 62% Water Year = 2011 plotvalue = 70% pctrecov = 7% Water Year = 2011 plotvalue = 70% pctrecov = 0% Water Year = 2010 plotvalue = 120% pctrecov = 120% Water Year = 2010 plotvalue = 123% pctrecov = 123% Water Year = 2009 plotvalue = 81% pctrecov = 81% Water Year = 2009 plotvalue = 70% pctrecov = 1% Water Year = 2009 plotvalue = 70% pctrecov = 2% Water Year = 2009 plotvalue = 70% pctrecov = 1% Water Year = 2008 plotvalue = 130% pctrecov = 131% Water Year = 2007 plotvalue = 70% pctrecov = 10% Water Year = 2007 plotvalue = 70% pctrecov = 2% Water Year = 2006 plotvalue = 119% pctrecov = 119% Water Year = 2006 plotvalue = 123% pctrecov = 123% Water Year = 2006 plotvalue = 125% pctrecov = 125% Water Year = 2006 plotvalue = 125% pctrecov = 125% Water Year = 2006 plotvalue = 127% pctrecov = 127% Water Year = 2005 plotvalue = 127% pctrecov = 127% Water Year = 2005 plotvalue = 130% pctrecov = 130% Water Year = 2005 plotvalue = 75% pctrecov = 75% Water Year = 2005 plotvalue = 75% pctrecov = 75% Water Year = 2005 plotvalue = 71% pctrecov = 71% Water Year = 2004 plotvalue = 116% pctrecov = 116% Water Year = 2004 plotvalue = 80% pctrecov = 80% Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2025 First Quartile = 95% Median = 101% Third Quartile = 104% Number of Observations = 9 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2024 First Quartile = 101% Median = 106% Third Quartile = 112% Number of Observations = 90 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2023 First Quartile = 101% Median = 104% Third Quartile = 108% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2022 First Quartile = 100% Median = 106% Third Quartile = 109% Number of Observations = 89 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2021 First Quartile = 98% Median = 104% Third Quartile = 110% Number of Observations = 90 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2020 First Quartile = 92% Median = 98% Third Quartile = 102% Number of Observations = 86 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2019 First Quartile = 94% Median = 99% Third Quartile = 103% Number of Observations = 78 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2017 First Quartile = 98% Median = 103% Third Quartile = 107% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2016 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2015 First Quartile = 99% Median = 103% Third Quartile = 106% Number of Observations = 90 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2014 First Quartile = 97% Median = 100% Third Quartile = 104% Number of Observations = 83 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2013 First Quartile = 96% Median = 101% Third Quartile = 105% Number of Observations = 108 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2012 First Quartile = 88% Median = 96% Third Quartile = 102% Number of Observations = 132 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2011 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 131 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2010 First Quartile = 93% Median = 99% Third Quartile = 103% Number of Observations = 132 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2009 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 105 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2008 First Quartile = 89% Median = 96% Third Quartile = 104% Number of Observations = 128 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2007 First Quartile = 97% Median = 103% Third Quartile = 109% Number of Observations = 122 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2006 First Quartile = 92% Median = 97% Third Quartile = 103% Number of Observations = 169 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2005 First Quartile = 96% Median = 101% Third Quartile = 108% Number of Observations = 131 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Water Year = 2004 First Quartile = 97% Median = 100% Third Quartile = 102% Number of Observations = 9 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Beryllium, fltd, ICP-MS

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Beryllium, fltd, ICP-MS 01010PLM43 2004 9 96.9% 100.0% 102.4%
    2005 131 96.1% 101.3% 107.7%
    2006 169 91.9% 97.4% 102.6%
    2007 122 97.3% 103.2% 108.9%
    2008 128 88.9% 95.8% 103.8%
    2009 105 94.8% 98.6% 102.7%
    2010 132 92.9% 98.6% 103.2%
    2011 131 90.2% 97.1% 102.9%
    2012 132 88.4% 95.8% 102.0%
    2013 108 95.6% 100.7% 105.5%
    2014 83 96.7% 100.5% 103.8%
    2015 90 98.6% 102.6% 105.6%
    2016 90 97.3% 100.3% 104.1%
    2017 90 98.0% 102.6% 106.7%
    2019 78 93.9% 98.5% 103.5%
    2020 86 91.9% 97.7% 102.2%
    2021 90 98.5% 104.3% 109.9%
    2022 89 100.5% 105.5% 109.4%
    2023 89 100.6% 103.8% 107.7%
    2024 90 101.4% 105.7% 112.2%
    2025 9 94.9% 101.0% 104.0%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Beryllium, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01012, MCode: PLM47
Analysis Dates: 11/01/04 through 04/30/15
Open Data Set
Boxplot Description

Water Year = 2014 plotvalue = 130% pctrecov = 143% Water Year = 2014 plotvalue = 70% pctrecov = 70% Water Year = 2014 plotvalue = 70% pctrecov = 70% Water Year = 2014 plotvalue = 70% pctrecov = 58% Water Year = 2012 plotvalue = 130% pctrecov = 222% Water Year = 2012 plotvalue = 130% pctrecov = 222% Water Year = 2012 plotvalue = 71% pctrecov = 71% Water Year = 2011 plotvalue = 82% pctrecov = 82% Water Year = 2011 plotvalue = 74% pctrecov = 74% Water Year = 2007 plotvalue = 105% pctrecov = 105% Water Year = 2007 plotvalue = 83% pctrecov = 83% Water Year = 2007 plotvalue = 83% pctrecov = 83% Water Year = 2007 plotvalue = 79% pctrecov = 79% Water Year = 2006 plotvalue = 117% pctrecov = 117% Water Year = 2006 plotvalue = 118% pctrecov = 118% Water Year = 2006 plotvalue = 118% pctrecov = 118% Water Year = 2006 plotvalue = 120% pctrecov = 120% Water Year = 2006 plotvalue = 123% pctrecov = 123% Water Year = 2006 plotvalue = 72% pctrecov = 72% Water Year = 2005 plotvalue = 116% pctrecov = 116% Water Year = 2005 plotvalue = 83% pctrecov = 83% Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2015 First Quartile = 95% Median = 98% Third Quartile = 102% Number of Observations = 27 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2014 First Quartile = 95% Median = 99% Third Quartile = 103% Number of Observations = 45 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2013 First Quartile = 90% Median = 96% Third Quartile = 101% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2012 First Quartile = 88% Median = 94% Third Quartile = 99% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2011 First Quartile = 95% Median = 99% Third Quartile = 101% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2010 First Quartile = 91% Median = 95% Third Quartile = 98% Number of Observations = 48 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2009 First Quartile = 96% Median = 99% Third Quartile = 102% Number of Observations = 65 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2008 First Quartile = 90% Median = 97% Third Quartile = 103% Number of Observations = 47 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2007 First Quartile = 92% Median = 94% Third Quartile = 96% Number of Observations = 44 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2006 First Quartile = 89% Median = 94% Third Quartile = 98% Number of Observations = 93 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Water Year = 2005 First Quartile = 94% Median = 99% Third Quartile = 102% Number of Observations = 60 Y = 1
The SGPlot Procedure

Percent Recovery Statistics for Beryllium, unfltd, ICP-MS, recov

Analyte Parm-meth Code Water Year # of
Samples		 25th Pctl 50th Pctl
(Median)		 75th Pctl
Beryllium, unfltd, ICP-MS, recov 01012PLM47 2005 60 94.4% 98.8% 101.9%
    2006 93 88.7% 93.9% 98.1%
    2007 44 91.9% 94.1% 96.5%
    2008 47 89.8% 97.1% 102.8%
    2009 65 95.6% 98.5% 101.7%
    2010 48 91.1% 94.9% 97.8%
    2011 48 95.2% 99.2% 101.4%
    2012 48 88.2% 94.4% 99.4%
    2013 48 90.5% 96.5% 100.7%
    2014 45 94.7% 99.5% 102.7%
    2015 27 94.6% 97.9% 102.1%

Hover over boxplot or outliers for additional information
Chart generated 01/15/2025
Charts and data secured from this U.S. Geological Survey (USGS) web page (identified as IBSP) have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.


- Beryllium, unfltd, ICP-MS, recov -
Lab: NWQL, PCode: 01012, MCode: PLM78
Analysis Dates: 05/12/15 through 11/19/24
Open Data Set
Boxplot Description

Water Year = 2024 plotvalue = 125% pctrecov = 125% Water Year = 2024 plotvalue = 127% pctrecov = 127% Water Year = 2024 plotvalue = 89% pctrecov = 89% Water Year = 2024 plotvalue = 88% pctrecov = 88%