BQS Organic Blind Sample Program
Analytes by Multiple Methods
PHENAZOPYRIDINE

 Pct Recovery = 187% 
 Schedule Code = LC9017  Pct Recovery = 162% 
 Schedule Code = 2440  Pct Recovery = 182% 
 Schedule Code = 2440  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = LC9017 
 Minimum Whisker = 47% 
 First Quartile = 70% 
 Median = 86% 
 Third Quartile = 94% 
 Maximum Whisker = 97% 
 Mean = 87% 
 Standard Deviation = 31% 
 Number of Observations = 16  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Schedule Code = 2440 
 Minimum Whisker = 39% 
 First Quartile = 71% 
 Median = 81% 
 Third Quartile = 102% 
 Maximum Whisker = 143% 
 Mean = 88% 
 Standard Deviation = 26% 
 Number of Observations = 106  Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
PHENAZOPYRIDINE

 spikemix = ERA 0507-12-06.2: 40 µl 
 Expected Conc. = 52.7 
 Lab Value = 45.200 
 reportunit = ng/L  spikemix = ERA 0823-11-05.2: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 19.875 
 Lab Value = 13.800 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 19.875 
 Lab Value = 12.300 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl & Abs 060112: 40 µl 
 Expected Conc. = 53 
 Lab Value = 51.400 
 reportunit = ng/L  spikemix = ERA 0507-12-06.1: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 24.900 
 reportunit = ng/L  spikemix = ERA 0507-12-06.1: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 22.900 
 reportunit = ng/L  spikemix = ERA 0507-12-06.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 19.875 
 Lab Value = 11.900 
 reportunit = ng/L  spikemix = Abs 060112: 40 µl 
 Expected Conc. = 53 
 Lab Value = 45.400 
 reportunit = ng/L  spikemix = Abs 071112: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 18.500 
 reportunit = ng/L  spikemix = Abs 071112: 10 µl & ERA 0507-12-06.2: 10 µl 
 Expected Conc. = 13.175 
 Lab Value = 12.200 
 reportunit = ng/L  spikemix = Abs 071112: 20 µl & Abs 060112: 20 µl 
 Expected Conc. = 26.5 
 Lab Value = 12.400 
 reportunit = ng/L  spikemix = Abs 060112: 10 µl & Spex Organics T1120802015: 10 µl 
 Expected Conc. = 13.25 
 Lab Value = 10.700 
 reportunit = ng/L  spikemix = Abs 060112: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 26.5 
 Lab Value = 23.300 
 reportunit = ng/L  spikemix = Abs 053112: 40 µl & ERA 0507-12-06.2: 40 µl 
 Expected Conc. = 52.7 
 Lab Value = 98.800 
 reportunit = ng/L  spikemix = Abs 053112: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 23.800 
 reportunit = ng/L  spikemix = Abs 053112: 20 µl & Abs 060112: 20 µl 
 Expected Conc. = 26.5 
 Lab Value = 25.500 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 21.700 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & ERA 06281702: 20 µl 
 Expected Conc. = 26.2 
 Lab Value = 28.600 
 reportunit = ng/L  spikemix = ERA 06281704: 50 µl & ERA 06281702: 50 µl 
 Expected Conc. = 65.5 
 Lab Value = 59.000 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & Abs 072517Pharm1: 20 µl 
 Expected Conc. = 26 
 Lab Value = 37.100 
 reportunit = ng/L  spikemix = ERA 06281702: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 104.8 
 Lab Value = 81.600 
 reportunit = ng/L  spikemix = ERA 06281702: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 65.5 
 Lab Value = 58.500 
 reportunit = ng/L  spikemix = ERA 06281702: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 26.2 
 Lab Value = 20.400 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 66.8 
 Lab Value = 80.300 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 34.000 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 66.8 
 Lab Value = 40.300 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 46.500 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 31.500 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 27.200 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 31.800 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 24.500 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 24.500 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 29.400 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & ERA 04281604: 80 µl 
 Expected Conc. = 66.8 
 Lab Value = 40.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 7.830 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 80 µl & ERA 0406-15-07A: 80 µl 
 Expected Conc. = 79.68 
 Lab Value = 51.500 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 11.700 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 28.500 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-09: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 15.700 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 18.700 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 40 µl & ERA 0406-15-08: 40 µl 
 Expected Conc. = 39.84 
 Lab Value = 23.300 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 14.800 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.84 
 Lab Value = 21.900 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 80 µl & Abs 051315: 80 µl 
 Expected Conc. = 79.68 
 Lab Value = 52.300 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 60 µl & ERA 0319-14-05: 60 µl 
 Expected Conc. = 52.65 
 Lab Value = 45.100 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 26.325 
 Lab Value = 19.500 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 26.325 
 Lab Value = 21.800 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 33.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 15 µl & Abs 041814: 15 µl 
 Expected Conc. = 52.65 
 Lab Value = 58.300 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 24.700 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 8 µl & ERA 0319-14-04: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 24.000 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 15 µl & ERA 0319-14-04: 15 µl 
 Expected Conc. = 52.65 
 Lab Value = 44.800 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 60 µl & ERA 0319-14-04: 60 µl 
 Expected Conc. = 52.65 
 Lab Value = 39.600 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 15 µl & Abs 041714: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 62.400 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 60 µl & Abs 041714: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 36.400 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 30 µl & Abs 041714: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 13.900 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 54.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 29.300 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 32.800 
 reportunit = ng/L  spikemix = Crescent EN160610015: 100 µl & ERA 04281604: 100 µl 
 Expected Conc. = 83.5 
 Lab Value = 47.900 
 reportunit = ng/L  spikemix = Crescent EN160610015: 100 µl & ERA 04281604: 100 µl 
 Expected Conc. = 83.5 
 Lab Value = 50.200 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 34.900 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 30.800 
 reportunit = ng/L  spikemix = Crescent EN160610015: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 59.400 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 65 
 Lab Value = 76.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 104 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 26 
 Lab Value = 47.200 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 072517Pharm2: 50 µl 
 Expected Conc. = 65 
 Lab Value = 82.100 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 071817Pharm: 50 µl 
 Expected Conc. = 65 
 Lab Value = 82.300 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 50 µl & Abs 072517Pharm1: 50 µl 
 Expected Conc. = 65 
 Lab Value = 77.200 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 80 µl & Abs 072517Pharm1: 80 µl 
 Expected Conc. = 104 
 Lab Value = 136.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 43.100 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 83 
 Lab Value = 79.900 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 83 
 Lab Value = 74.900 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 24.800 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 24.600 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Crescent EN160610015: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 61.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 34.600 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 37.700 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 58.500 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 63.100 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 79.200 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 23.100 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 26.100 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 17.700 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 20.500 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 70.800 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 94.200 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 34.700 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 33.300 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 53.700 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 53.400 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 15.900 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 13.400 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 10.500 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & ERA 0406-15-07A: 40 µl 
 Expected Conc. = 39.84 
 Lab Value = 23.300 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 26.300 
 reportunit = ng/L  spikemix = Abs 052215: 80 µl & Abs 050115: 80 µl 
 Expected Conc. = 79.333 
 Lab Value = 53.200 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 14.100 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 15.300 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & ERA 0406-15-08: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 25.500 
 reportunit = ng/L  spikemix = Abs 050115: 80 µl & ERA 0406-15-08: 80 µl 
 Expected Conc. = 79.333 
 Lab Value = 57.200 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & ERA 0406-15-08: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 8.660 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 12.600 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 28.400 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 25.500 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 051315: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 9.150 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 26.900 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 61.100 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 57.800 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 40.300 
 reportunit = ng/L  spikemix = Abs 041714: 8 µl & ERA 0319-14-05: 8 µl 
 Expected Conc. = 28.024 
 Lab Value = 25.100 
 reportunit = ng/L  spikemix = Abs 041714: 30 µl & Abs 041814: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 22.800 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 40.100 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 41.400 
 reportunit = ng/L  spikemix = Abs 041614: 8 µl & ERA 0319-14-04: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 34.900 
 reportunit = ng/L  spikemix = Abs 041614: 8 µl & ERA 0319-14-04: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 28.200 
 reportunit = ng/L  spikemix = Abs 041614: 15 µl & ERA 0319-14-04: 15 µl 
 Expected Conc. = 52.65 
 Lab Value = 41.400 
 reportunit = ng/L  spikemix = Abs 041614: 30 µl & ERA 0319-14-04: 30 µl 
 Expected Conc. = 26.325 
 Lab Value = 19.500 
 reportunit = ng/L  spikemix = Abs 041614: 30 µl & Abs 041714: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 21.200 
 reportunit = ng/L  spikemix = Abs 041614: 60 µl & Abs 041714: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 42.300 
 reportunit = ng/L  spikemix = Abs 041614: 30 µl & Abs 041714: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 19.400 
 reportunit = ng/L  Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
PHENAZOPYRIDINE

 spikemix = ERA 0507-12-06.2: 40 µl 
 Expected Conc. = 52.7 
 Lab Value = 45.200 
 reportunit = ng/L  spikemix = ERA 0823-11-05.2: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 19.875 
 Lab Value = 13.800 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 19.875 
 Lab Value = 12.300 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl & Abs 060112: 40 µl 
 Expected Conc. = 53 
 Lab Value = 51.400 
 reportunit = ng/L  spikemix = ERA 0507-12-06.1: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 24.900 
 reportunit = ng/L  spikemix = ERA 0507-12-06.1: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 22.900 
 reportunit = ng/L  spikemix = ERA 0507-12-06.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 19.875 
 Lab Value = 11.900 
 reportunit = ng/L  spikemix = Abs 060112: 40 µl 
 Expected Conc. = 53 
 Lab Value = 45.400 
 reportunit = ng/L  spikemix = Abs 071112: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 18.500 
 reportunit = ng/L  spikemix = Abs 071112: 10 µl & ERA 0507-12-06.2: 10 µl 
 Expected Conc. = 13.175 
 Lab Value = 12.200 
 reportunit = ng/L  spikemix = Abs 071112: 20 µl & Abs 060112: 20 µl 
 Expected Conc. = 26.5 
 Lab Value = 12.400 
 reportunit = ng/L  spikemix = Abs 060112: 10 µl & Spex Organics T1120802015: 10 µl 
 Expected Conc. = 13.25 
 Lab Value = 10.700 
 reportunit = ng/L  spikemix = Abs 060112: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 26.5 
 Lab Value = 23.300 
 reportunit = ng/L  spikemix = Abs 053112: 40 µl & ERA 0507-12-06.2: 40 µl 
 Expected Conc. = 52.7 
 Lab Value = 98.800 
 reportunit = ng/L  spikemix = Abs 053112: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 23.800 
 reportunit = ng/L  spikemix = Abs 053112: 20 µl & Abs 060112: 20 µl 
 Expected Conc. = 26.5 
 Lab Value = 25.500 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 26.35 
 Lab Value = 21.700 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & ERA 06281702: 20 µl 
 Expected Conc. = 26.2 
 Lab Value = 28.600 
 reportunit = ng/L  spikemix = ERA 06281704: 50 µl & ERA 06281702: 50 µl 
 Expected Conc. = 65.5 
 Lab Value = 59.000 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & Abs 072517Pharm1: 20 µl 
 Expected Conc. = 26 
 Lab Value = 37.100 
 reportunit = ng/L  spikemix = ERA 06281702: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 104.8 
 Lab Value = 81.600 
 reportunit = ng/L  spikemix = ERA 06281702: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 65.5 
 Lab Value = 58.500 
 reportunit = ng/L  spikemix = ERA 06281702: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 26.2 
 Lab Value = 20.400 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 66.8 
 Lab Value = 80.300 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 34.000 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 66.8 
 Lab Value = 40.300 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 46.500 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 31.500 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 27.200 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 31.800 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 24.500 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 24.500 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 29.400 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & ERA 04281604: 80 µl 
 Expected Conc. = 66.8 
 Lab Value = 40.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 7.830 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 80 µl & ERA 0406-15-07A: 80 µl 
 Expected Conc. = 79.68 
 Lab Value = 51.500 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 11.700 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 28.500 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-09: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 15.700 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 18.700 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 40 µl & ERA 0406-15-08: 40 µl 
 Expected Conc. = 39.84 
 Lab Value = 23.300 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-08: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 14.800 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.84 
 Lab Value = 21.900 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 80 µl & Abs 051315: 80 µl 
 Expected Conc. = 79.68 
 Lab Value = 52.300 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 60 µl & ERA 0319-14-05: 60 µl 
 Expected Conc. = 52.65 
 Lab Value = 45.100 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 26.325 
 Lab Value = 19.500 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 26.325 
 Lab Value = 21.800 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 33.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 15 µl & Abs 041814: 15 µl 
 Expected Conc. = 52.65 
 Lab Value = 58.300 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 24.700 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 8 µl & ERA 0319-14-04: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 24.000 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 15 µl & ERA 0319-14-04: 15 µl 
 Expected Conc. = 52.65 
 Lab Value = 44.800 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 60 µl & ERA 0319-14-04: 60 µl 
 Expected Conc. = 52.65 
 Lab Value = 39.600 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 15 µl & Abs 041714: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 62.400 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 60 µl & Abs 041714: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 36.400 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 30 µl & Abs 041714: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 13.900 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 54.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 29.300 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 32.800 
 reportunit = ng/L  spikemix = Crescent EN160610015: 100 µl & ERA 04281604: 100 µl 
 Expected Conc. = 83.5 
 Lab Value = 47.900 
 reportunit = ng/L  spikemix = Crescent EN160610015: 100 µl & ERA 04281604: 100 µl 
 Expected Conc. = 83.5 
 Lab Value = 50.200 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 34.900 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 30.800 
 reportunit = ng/L  spikemix = Crescent EN160610015: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 59.400 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 65 
 Lab Value = 76.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 104 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 26 
 Lab Value = 47.200 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 072517Pharm2: 50 µl 
 Expected Conc. = 65 
 Lab Value = 82.100 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 071817Pharm: 50 µl 
 Expected Conc. = 65 
 Lab Value = 82.300 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 50 µl & Abs 072517Pharm1: 50 µl 
 Expected Conc. = 65 
 Lab Value = 77.200 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 80 µl & Abs 072517Pharm1: 80 µl 
 Expected Conc. = 104 
 Lab Value = 136.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 43.100 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 83 
 Lab Value = 79.900 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 83 
 Lab Value = 74.900 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 24.800 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 24.600 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Crescent EN160610015: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 61.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 34.600 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 37.700 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 58.500 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 63.100 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 79.200 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 23.100 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 26.100 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 17.700 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 33.4 
 Lab Value = 20.500 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 70.800 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 94.200 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 34.700 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 40 µl & Abs 061416: 40 µl 
 Expected Conc. = 33.2 
 Lab Value = 33.300 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 53.700 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061416: 80 µl 
 Expected Conc. = 66.4 
 Lab Value = 53.400 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 15.900 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 13.400 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 19.92 
 Lab Value = 10.500 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & ERA 0406-15-07A: 40 µl 
 Expected Conc. = 39.84 
 Lab Value = 23.300 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 26.300 
 reportunit = ng/L  spikemix = Abs 052215: 80 µl & Abs 050115: 80 µl 
 Expected Conc. = 79.333 
 Lab Value = 53.200 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 14.100 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 15.300 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & ERA 0406-15-08: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 25.500 
 reportunit = ng/L  spikemix = Abs 050115: 80 µl & ERA 0406-15-08: 80 µl 
 Expected Conc. = 79.333 
 Lab Value = 57.200 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & ERA 0406-15-08: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 8.660 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 12.600 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 28.400 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 25.500 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 051315: 20 µl 
 Expected Conc. = 19.833 
 Lab Value = 9.150 
 reportunit = ng/L  spikemix = Abs 050115: 40 µl & Abs 051315: 40 µl 
 Expected Conc. = 39.666 
 Lab Value = 26.900 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 61.100 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 57.800 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 52.545 
 Lab Value = 40.300 
 reportunit = ng/L  spikemix = Abs 041714: 8 µl & ERA 0319-14-05: 8 µl 
 Expected Conc. = 28.024 
 Lab Value = 25.100 
 reportunit = ng/L  spikemix = Abs 041714: 30 µl & Abs 041814: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 22.800 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 40.100 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 41.400 
 reportunit = ng/L  spikemix = Abs 041614: 8 µl & ERA 0319-14-04: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 34.900 
 reportunit = ng/L  spikemix = Abs 041614: 8 µl & ERA 0319-14-04: 8 µl 
 Expected Conc. = 28.08 
 Lab Value = 28.200 
 reportunit = ng/L  spikemix = Abs 041614: 15 µl & ERA 0319-14-04: 15 µl 
 Expected Conc. = 52.65 
 Lab Value = 41.400 
 reportunit = ng/L  spikemix = Abs 041614: 30 µl & ERA 0319-14-04: 30 µl 
 Expected Conc. = 26.325 
 Lab Value = 19.500 
 reportunit = ng/L  spikemix = Abs 041614: 30 µl & Abs 041714: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 21.200 
 reportunit = ng/L  spikemix = Abs 041614: 60 µl & Abs 041714: 60 µl 
 Expected Conc. = 52.545 
 Lab Value = 42.300 
 reportunit = ng/L  spikemix = Abs 041614: 30 µl & Abs 041714: 30 µl 
 Expected Conc. = 26.273 
 Lab Value = 19.400 
 reportunit = ng/L  Y = 1
The SGPlot Procedure