BQS Organic Blind Sample Program
Analytes by Multiple Methods
ANTIPYRINE

 Pct Recovery = 140% 
 Schedule Code = LC9017  Pct Recovery = 193% 
 Schedule Code = LC9017  Pct Recovery = 114% 
 Schedule Code = 2440  Pct Recovery = 117% 
 Schedule Code = 2440  Pct Recovery = 117% 
 Schedule Code = 2440  Pct Recovery = 55% 
 Schedule Code = 2440  Pct Recovery = 41% 
 Schedule Code = 2440  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = LC9017 
 Minimum Whisker = 63% 
 First Quartile = 69% 
 Median = 76% 
 Third Quartile = 84% 
 Maximum Whisker = 93% 
 Mean = 87% 
 Standard Deviation = 33% 
 Number of Observations = 17  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Schedule Code = 2440 
 Minimum Whisker = 58% 
 First Quartile = 76% 
 Median = 81% 
 Third Quartile = 90% 
 Maximum Whisker = 102% 
 Mean = 82% 
 Standard Deviation = 12% 
 Number of Observations = 105  Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
ANTIPYRINE

 spikemix = Spex Organics T1120802015: 40 µl 
 Expected Conc. = 460 
 Lab Value = 347.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 230 
 Lab Value = 211.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 40 µl & ERA 0507-12-06.1: 40 µl 
 Expected Conc. = 460 
 Lab Value = 376.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & Abs 071112: 20 µl 
 Expected Conc. = 230 
 Lab Value = 174.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & Abs 071112: 20 µl 
 Expected Conc. = 230 
 Lab Value = 182.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & Abs 071112: 20 µl 
 Expected Conc. = 230 
 Lab Value = 214.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 465 
 Lab Value = 316.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 232.5 
 Lab Value = 449.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 10 µl 
 Expected Conc. = 116.25 
 Lab Value = 78.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 465 
 Lab Value = 652.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 232.5 
 Lab Value = 150.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 232.5 
 Lab Value = 176.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 071112: 15 µl 
 Expected Conc. = 174.38 
 Lab Value = 110.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 174.38 
 Lab Value = 123.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl & Abs 060112: 40 µl 
 Expected Conc. = 465 
 Lab Value = 388.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 053112: 15 µl 
 Expected Conc. = 174.38 
 Lab Value = 121.000 
 reportunit = ng/L  spikemix = Abs 060112: 10 µl & Spex Organics T1120802015: 10 µl 
 Expected Conc. = 115 
 Lab Value = 96.300 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 230 
 Lab Value = 189.000 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & ERA 06281702: 20 µl 
 Expected Conc. = 232 
 Lab Value = 222.000 
 reportunit = ng/L  spikemix = ERA 06281704: 50 µl & ERA 06281702: 50 µl 
 Expected Conc. = 580 
 Lab Value = 548.000 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & Abs 072517Pharm1: 20 µl 
 Expected Conc. = 232 
 Lab Value = 228.000 
 reportunit = ng/L  spikemix = ERA 06281702: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 928 
 Lab Value = 724.000 
 reportunit = ng/L  spikemix = ERA 06281702: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 580 
 Lab Value = 510.000 
 reportunit = ng/L  spikemix = ERA 06281702: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 232 
 Lab Value = 196.000 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 537.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 276.000 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 457.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 233.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 232.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 294.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 336.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 261.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 248.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 290 
 Lab Value = 244.000 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & ERA 04281604: 80 µl 
 Expected Conc. = 580 
 Lab Value = 460.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 290 
 Lab Value = 249.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 290 
 Lab Value = 249.000 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & Crescent EN160610015: 80 µl 
 Expected Conc. = 580 
 Lab Value = 425.000 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & Crescent EN160610015: 80 µl 
 Expected Conc. = 580 
 Lab Value = 421.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 725 
 Lab Value = 701.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 725 
 Lab Value = 650.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 290 
 Lab Value = 204.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 290 
 Lab Value = 243.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 136.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 127.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 80 µl & ERA 0406-15-07A: 80 µl 
 Expected Conc. = 695.2 
 Lab Value = 529.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 135.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 347.6 
 Lab Value = 332.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 20 µl & ERA 0406-15-09: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 128.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 40 µl & ERA 0406-15-09: 40 µl 
 Expected Conc. = 347.6 
 Lab Value = 264.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 40 µl & Abs 052215: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 266.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 80 µl & Abs 052215: 80 µl 
 Expected Conc. = 696.96 
 Lab Value = 568.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-09: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 101.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 15 µl & ERA 0318-14-02: 15 µl 
 Expected Conc. = 468 
 Lab Value = 469.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 60 µl & ERA 0318-14-02: 60 µl 
 Expected Conc. = 468 
 Lab Value = 411.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 15 µl & Abs 041614: 15 µl 
 Expected Conc. = 468 
 Lab Value = 414.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 15 µl & Abs 041614: 15 µl 
 Expected Conc. = 468 
 Lab Value = 365.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 8 µl & Abs 041614: 8 µl 
 Expected Conc. = 249.6 
 Lab Value = 186.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 60 µl & ERA 0319-14-05: 60 µl 
 Expected Conc. = 468 
 Lab Value = 286.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 234 
 Lab Value = 95.700 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 234 
 Lab Value = 211.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 246.74 
 Lab Value = 219.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 15 µl & Abs 041814: 15 µl 
 Expected Conc. = 462.63 
 Lab Value = 363.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 246.74 
 Lab Value = 160.000 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 234 
 Lab Value = 192.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 491.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 471.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 254.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 580 
 Lab Value = 526.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 928 
 Lab Value = 895.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 232 
 Lab Value = 272.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 072517Pharm2: 50 µl 
 Expected Conc. = 580 
 Lab Value = 563.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 071817Pharm: 50 µl 
 Expected Conc. = 580 
 Lab Value = 449.000 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 50 µl & Abs 072517Pharm1: 50 µl 
 Expected Conc. = 580 
 Lab Value = 529.000 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 80 µl & Abs 072517Pharm1: 80 µl 
 Expected Conc. = 928 
 Lab Value = 1060.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 257.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 252.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 230.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 228.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 452.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 461.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 207.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 175.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 266.000 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 725 
 Lab Value = 601.000 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 725 
 Lab Value = 625.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 193.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 196.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 199.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 221.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 512.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 521.000 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 533.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 110.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 115.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 144.000 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & ERA 0406-15-07A: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 339.000 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 254.000 
 reportunit = ng/L  spikemix = Abs 052215: 80 µl & Abs 050115: 80 µl 
 Expected Conc. = 696.96 
 Lab Value = 533.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 138.000 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 86.9 
 Lab Value = 48.200 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 86.9 
 Lab Value = 70.700 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 695.2 
 Lab Value = 561.000 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 695.2 
 Lab Value = 522.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 142.000 
 reportunit = ng/L  spikemix = Abs 051315: 40 µl & Abs 052215: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 252.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 136.000 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 134.000 
 reportunit = ng/L  spikemix = Abs 041814: 15 µl & ERA 0318-14-02: 15 µl 
 Expected Conc. = 462.63 
 Lab Value = 390.000 
 reportunit = ng/L  spikemix = Abs 041814: 8 µl & ERA 0318-14-02: 8 µl 
 Expected Conc. = 246.74 
 Lab Value = 200.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & ERA 0318-14-02: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 160.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 208.000 
 reportunit = ng/L  spikemix = Abs 041814: 60 µl & Abs 041614: 60 µl 
 Expected Conc. = 462.63 
 Lab Value = 439.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 200.000 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 468 
 Lab Value = 456.000 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 468 
 Lab Value = 365.000 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 468 
 Lab Value = 338.000 
 reportunit = ng/L  spikemix = Abs 041714: 8 µl & ERA 0319-14-05: 8 µl 
 Expected Conc. = 249.6 
 Lab Value = 173.000 
 reportunit = ng/L  spikemix = Abs 041714: 30 µl & Abs 041814: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 178.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 462.63 
 Lab Value = 393.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 462.63 
 Lab Value = 416.000 
 reportunit = ng/L  Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
ANTIPYRINE

 spikemix = Spex Organics T1120802015: 40 µl 
 Expected Conc. = 460 
 Lab Value = 347.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 230 
 Lab Value = 211.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 40 µl & ERA 0507-12-06.1: 40 µl 
 Expected Conc. = 460 
 Lab Value = 376.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & Abs 071112: 20 µl 
 Expected Conc. = 230 
 Lab Value = 174.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & Abs 071112: 20 µl 
 Expected Conc. = 230 
 Lab Value = 182.000 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & Abs 071112: 20 µl 
 Expected Conc. = 230 
 Lab Value = 214.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 465 
 Lab Value = 316.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 232.5 
 Lab Value = 449.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 10 µl 
 Expected Conc. = 116.25 
 Lab Value = 78.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl 
 Expected Conc. = 465 
 Lab Value = 652.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl 
 Expected Conc. = 232.5 
 Lab Value = 150.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 20 µl & ERA 0507-12-06.1: 20 µl 
 Expected Conc. = 232.5 
 Lab Value = 176.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 071112: 15 µl 
 Expected Conc. = 174.38 
 Lab Value = 110.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 060112: 15 µl 
 Expected Conc. = 174.38 
 Lab Value = 123.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 40 µl & Abs 060112: 40 µl 
 Expected Conc. = 465 
 Lab Value = 388.000 
 reportunit = ng/L  spikemix = ERA 0823-11-05.1: 15 µl & Abs 053112: 15 µl 
 Expected Conc. = 174.38 
 Lab Value = 121.000 
 reportunit = ng/L  spikemix = Abs 060112: 10 µl & Spex Organics T1120802015: 10 µl 
 Expected Conc. = 115 
 Lab Value = 96.300 
 reportunit = ng/L  spikemix = Spex Organics T1120802015: 20 µl & ERA 0507-12-06.2: 20 µl 
 Expected Conc. = 230 
 Lab Value = 189.000 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & ERA 06281702: 20 µl 
 Expected Conc. = 232 
 Lab Value = 222.000 
 reportunit = ng/L  spikemix = ERA 06281704: 50 µl & ERA 06281702: 50 µl 
 Expected Conc. = 580 
 Lab Value = 548.000 
 reportunit = ng/L  spikemix = ERA 06281704: 20 µl & Abs 072517Pharm1: 20 µl 
 Expected Conc. = 232 
 Lab Value = 228.000 
 reportunit = ng/L  spikemix = ERA 06281702: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 928 
 Lab Value = 724.000 
 reportunit = ng/L  spikemix = ERA 06281702: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 580 
 Lab Value = 510.000 
 reportunit = ng/L  spikemix = ERA 06281702: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 232 
 Lab Value = 196.000 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 537.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 276.000 
 reportunit = ng/L  spikemix = ERA 04281604: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 457.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 233.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 232.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 294.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 336.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 261.000 
 reportunit = ng/L  spikemix = ERA 04281604: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 248.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & ERA 04281604: 40 µl 
 Expected Conc. = 290 
 Lab Value = 244.000 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & ERA 04281604: 80 µl 
 Expected Conc. = 580 
 Lab Value = 460.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 290 
 Lab Value = 249.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 290 
 Lab Value = 249.000 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & Crescent EN160610015: 80 µl 
 Expected Conc. = 580 
 Lab Value = 425.000 
 reportunit = ng/L  spikemix = ERA 04281603: 80 µl & Crescent EN160610015: 80 µl 
 Expected Conc. = 580 
 Lab Value = 421.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 725 
 Lab Value = 701.000 
 reportunit = ng/L  spikemix = ERA 04281603: 100 µl & Abs 060916PHARM: 100 µl 
 Expected Conc. = 725 
 Lab Value = 650.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 290 
 Lab Value = 204.000 
 reportunit = ng/L  spikemix = ERA 04281603: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 290 
 Lab Value = 243.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 136.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 127.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 80 µl & ERA 0406-15-07A: 80 µl 
 Expected Conc. = 695.2 
 Lab Value = 529.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 135.000 
 reportunit = ng/L  spikemix = ERA 0406-15-09: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 347.6 
 Lab Value = 332.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 20 µl & ERA 0406-15-09: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 128.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 40 µl & ERA 0406-15-09: 40 µl 
 Expected Conc. = 347.6 
 Lab Value = 264.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 40 µl & Abs 052215: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 266.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 80 µl & Abs 052215: 80 µl 
 Expected Conc. = 696.96 
 Lab Value = 568.000 
 reportunit = ng/L  spikemix = ERA 0406-15-08: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 146.000 
 reportunit = ng/L  spikemix = ERA 0406-15-07A: 20 µl & ERA 0406-15-09: 20 µl 
 Expected Conc. = 173.8 
 Lab Value = 101.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 15 µl & ERA 0318-14-02: 15 µl 
 Expected Conc. = 468 
 Lab Value = 469.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 60 µl & ERA 0318-14-02: 60 µl 
 Expected Conc. = 468 
 Lab Value = 411.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 15 µl & Abs 041614: 15 µl 
 Expected Conc. = 468 
 Lab Value = 414.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 15 µl & Abs 041614: 15 µl 
 Expected Conc. = 468 
 Lab Value = 365.000 
 reportunit = ng/L  spikemix = ERA 0319-14-05: 8 µl & Abs 041614: 8 µl 
 Expected Conc. = 249.6 
 Lab Value = 186.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 60 µl & ERA 0319-14-05: 60 µl 
 Expected Conc. = 468 
 Lab Value = 286.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 234 
 Lab Value = 95.700 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 234 
 Lab Value = 211.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 246.74 
 Lab Value = 219.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 15 µl & Abs 041814: 15 µl 
 Expected Conc. = 462.63 
 Lab Value = 363.000 
 reportunit = ng/L  spikemix = ERA 0319-14-04: 8 µl & Abs 041814: 8 µl 
 Expected Conc. = 246.74 
 Lab Value = 160.000 
 reportunit = ng/L  spikemix = ERA 0318-14-02: 30 µl & ERA 0319-14-05: 30 µl 
 Expected Conc. = 234 
 Lab Value = 192.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 491.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 80 µl & ERA 04281603: 80 µl 
 Expected Conc. = 580 
 Lab Value = 471.000 
 reportunit = ng/L  spikemix = Crescent EN160610015: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 254.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & ERA 06281703: 50 µl 
 Expected Conc. = 580 
 Lab Value = 526.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 80 µl & ERA 06281703: 80 µl 
 Expected Conc. = 928 
 Lab Value = 895.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 20 µl & Abs 072517Pharm2: 20 µl 
 Expected Conc. = 232 
 Lab Value = 272.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 072517Pharm2: 50 µl 
 Expected Conc. = 580 
 Lab Value = 563.000 
 reportunit = ng/L  spikemix = Abs 072517Pharm1: 50 µl & Abs 071817Pharm: 50 µl 
 Expected Conc. = 580 
 Lab Value = 449.000 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 50 µl & Abs 072517Pharm1: 50 µl 
 Expected Conc. = 580 
 Lab Value = 529.000 
 reportunit = ng/L  spikemix = Abs 071817Pharm: 80 µl & Abs 072517Pharm1: 80 µl 
 Expected Conc. = 928 
 Lab Value = 1060.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 257.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 252.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 230.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Crescent EN160610015: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 228.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 452.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 80 µl & Abs 060916PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 461.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 207.000 
 reportunit = ng/L  spikemix = Abs 061516PHARM: 40 µl & Abs 060916PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 175.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 266.000 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 725 
 Lab Value = 601.000 
 reportunit = ng/L  spikemix = Abs 061416: 100 µl & ERA 04281603: 100 µl 
 Expected Conc. = 725 
 Lab Value = 625.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 193.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & ERA 04281603: 40 µl 
 Expected Conc. = 290 
 Lab Value = 196.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 199.000 
 reportunit = ng/L  spikemix = Abs 061416: 40 µl & Abs 061516PHARM: 40 µl 
 Expected Conc. = 288.4 
 Lab Value = 221.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 512.000 
 reportunit = ng/L  spikemix = Abs 061416: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 521.000 
 reportunit = ng/L  spikemix = Abs 060916PHARM: 80 µl & Abs 061516PHARM: 80 µl 
 Expected Conc. = 576.8 
 Lab Value = 533.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 110.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 115.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & ERA 0406-15-07A: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 144.000 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & ERA 0406-15-07A: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 339.000 
 reportunit = ng/L  spikemix = Abs 052215: 40 µl & Abs 050115: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 254.000 
 reportunit = ng/L  spikemix = Abs 052215: 80 µl & Abs 050115: 80 µl 
 Expected Conc. = 696.96 
 Lab Value = 533.000 
 reportunit = ng/L  spikemix = Abs 052215: 20 µl & Abs 050115: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 138.000 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 86.9 
 Lab Value = 48.200 
 reportunit = ng/L  spikemix = Abs 051315: 10 µl & ERA 0406-15-09: 10 µl 
 Expected Conc. = 86.9 
 Lab Value = 70.700 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 695.2 
 Lab Value = 561.000 
 reportunit = ng/L  spikemix = Abs 051315: 80 µl & ERA 0406-15-09: 80 µl 
 Expected Conc. = 695.2 
 Lab Value = 522.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 142.000 
 reportunit = ng/L  spikemix = Abs 051315: 40 µl & Abs 052215: 40 µl 
 Expected Conc. = 348.48 
 Lab Value = 252.000 
 reportunit = ng/L  spikemix = Abs 051315: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 136.000 
 reportunit = ng/L  spikemix = Abs 050115: 20 µl & Abs 052215: 20 µl 
 Expected Conc. = 174.24 
 Lab Value = 134.000 
 reportunit = ng/L  spikemix = Abs 041814: 15 µl & ERA 0318-14-02: 15 µl 
 Expected Conc. = 462.63 
 Lab Value = 390.000 
 reportunit = ng/L  spikemix = Abs 041814: 8 µl & ERA 0318-14-02: 8 µl 
 Expected Conc. = 246.74 
 Lab Value = 200.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & ERA 0318-14-02: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 160.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 208.000 
 reportunit = ng/L  spikemix = Abs 041814: 60 µl & Abs 041614: 60 µl 
 Expected Conc. = 462.63 
 Lab Value = 439.000 
 reportunit = ng/L  spikemix = Abs 041814: 30 µl & Abs 041614: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 200.000 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 468 
 Lab Value = 456.000 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 468 
 Lab Value = 365.000 
 reportunit = ng/L  spikemix = Abs 041714: 15 µl & ERA 0319-14-05: 15 µl 
 Expected Conc. = 468 
 Lab Value = 338.000 
 reportunit = ng/L  spikemix = Abs 041714: 8 µl & ERA 0319-14-05: 8 µl 
 Expected Conc. = 249.6 
 Lab Value = 173.000 
 reportunit = ng/L  spikemix = Abs 041714: 30 µl & Abs 041814: 30 µl 
 Expected Conc. = 231.32 
 Lab Value = 178.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 462.63 
 Lab Value = 393.000 
 reportunit = ng/L  spikemix = Abs 041714: 60 µl & Abs 041814: 60 µl 
 Expected Conc. = 462.63 
 Lab Value = 416.000 
 reportunit = ng/L  Y = 1
The SGPlot Procedure