BQS Organic Blind Sample Program
Analytes by Multiple Methods
MEPROBAMATE
Open Data Set

 Pct Recovery = 234% 
 Schedule Code = LC9017  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = LC9017 
 Minimum Whisker = 62% 
 First Quartile = 75% 
 Median = 79% 
 Third Quartile = 117% 
 Maximum Whisker = 165% 
 Mean = 106% 
 Standard Deviation = 54% 
 Number of Observations = 10  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Schedule Code = 2440 
 Minimum Whisker = 57% 
 First Quartile = 78% 
 Median = 85% 
 Third Quartile = 93% 
 Maximum Whisker = 114% 
 Mean = 86% 
 Standard Deviation = 11% 
 Number of Observations = 44  Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
MEPROBAMATE
Open Data Set

 spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 343 
 Lab Value = 272.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 171.5 
 Lab Value = 401.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 10 µl 
 Expected Conc. = 85.75 
 Lab Value = 100.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 343 
 Lab Value = 566.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 171.5 
 Lab Value = 106.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 171.5 
 Lab Value = 129.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 071112: 15 µl 
 Expected Conc. = 128.63 
 Lab Value = 99.500 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 128.63 
 Lab Value = 94.500 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl & Abs 060112: 40 µl 
 Expected Conc. = 343 
 Lab Value = 329.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 053112: 15 µl 
 Expected Conc. = 128.63 
 Lab Value = 100.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 221.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 207.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 538 
 Lab Value = 512.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 538 
 Lab Value = 502.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 186.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 189.000 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 214.000 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 80 µl & Abs 051315: 80 µl 
 Expected Conc. = 512.56 
 Lab Value = 530.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 182.61 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 15 µl & Abs 041814: 15 µl 
 Expected Conc. = 342.39 
 Lab Value = 290.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 182.61 
 Lab Value = 141.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 209.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 221.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 349.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 365.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 168.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 167.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 169.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 162.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 165.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 406.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 401.000 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 64.07 
 Lab Value = 43.400 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 64.07 
 Lab Value = 66.600 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 512.56 
 Lab Value = 458.000 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 512.56 
 Lab Value = 585.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 92.700 
 reportunit = ng/L  spikemix = Abs 051315: 40 µl & Abs 052215: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 220.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 106.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 83.800 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 229.000 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 202.000 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 051315: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 73.000 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 239.000 
 reportunit = ng/L  spikemix = Abs 041814: 15 µl & ERA 0318-14-02: 15 µl 
 Expected Conc. = 342.39 
 Lab Value = 305.000 
 reportunit = ng/L  spikemix = Abs 041814: 8 µl & ERA 0318-14-02: 8 µl 
 Expected Conc. = 182.61 
 Lab Value = 156.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & ERA 0318-14-02: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 134.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 145.000 
 reportunit = ng/L  spikemix = Abs 041814: 60 µl & Abs 041614: 60 µl 
 Expected Conc. = 342.39 
 Lab Value = 325.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 159.000 
 reportunit = ng/L  spikemix = Abs 041714: 30 µl & Abs 041814: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 142.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 342.39 
 Lab Value = 269.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 342.39 
 Lab Value = 302.000 
 reportunit = ng/L  Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
MEPROBAMATE
Open Data Set

 spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 343 
 Lab Value = 272.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 171.5 
 Lab Value = 401.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 10 µl 
 Expected Conc. = 85.75 
 Lab Value = 100.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 343 
 Lab Value = 566.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 171.5 
 Lab Value = 106.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 171.5 
 Lab Value = 129.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 071112: 15 µl 
 Expected Conc. = 128.63 
 Lab Value = 99.500 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 128.63 
 Lab Value = 94.500 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl & Abs 060112: 40 µl 
 Expected Conc. = 343 
 Lab Value = 329.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 053112: 15 µl 
 Expected Conc. = 128.63 
 Lab Value = 100.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 221.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 207.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 538 
 Lab Value = 512.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 538 
 Lab Value = 502.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 186.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 189.000 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 214.000 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 80 µl & Abs 051315: 80 µl 
 Expected Conc. = 512.56 
 Lab Value = 530.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 182.61 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 15 µl & Abs 041814: 15 µl 
 Expected Conc. = 342.39 
 Lab Value = 290.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 182.61 
 Lab Value = 141.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 209.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 221.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 349.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 365.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 168.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 167.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 215.2 
 Lab Value = 169.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 162.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 216.28 
 Lab Value = 165.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 406.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 432.56 
 Lab Value = 401.000 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 64.07 
 Lab Value = 43.400 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 64.07 
 Lab Value = 66.600 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 512.56 
 Lab Value = 458.000 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 512.56 
 Lab Value = 585.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 92.700 
 reportunit = ng/L  spikemix = Abs 051315: 40 µl & Abs 052215: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 220.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 106.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 83.800 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 229.000 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 202.000 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 051315: 20 µl 
 Expected Conc. = 128.14 
 Lab Value = 73.000 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 256.28 
 Lab Value = 239.000 
 reportunit = ng/L  spikemix = Abs 041814: 15 µl & ERA 0318-14-02: 15 µl 
 Expected Conc. = 342.39 
 Lab Value = 305.000 
 reportunit = ng/L  spikemix = Abs 041814: 8 µl & ERA 0318-14-02: 8 µl 
 Expected Conc. = 182.61 
 Lab Value = 156.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & ERA 0318-14-02: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 134.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 145.000 
 reportunit = ng/L  spikemix = Abs 041814: 60 µl & Abs 041614: 60 µl 
 Expected Conc. = 342.39 
 Lab Value = 325.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 159.000 
 reportunit = ng/L  spikemix = Abs 041714: 30 µl & Abs 041814: 30 µl 
 Expected Conc. = 171.2 
 Lab Value = 142.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 342.39 
 Lab Value = 269.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 342.39 
 Lab Value = 302.000 
 reportunit = ng/L  Y = 1
The SGPlot Procedure