BQS Organic Blind Sample Project
False Positive and Negative Report for
Method: 2080

Analyte TestIDCode CASNumber # Samples
Spiked		 # False
Negatives		 # Samples
Not Spiked		 # False
Positives
1,7-DIMETHYLXANTHINE (P-XANTHINE) 6203000021 611-59-6 41 1 29 1
ACETAMINOPHEN 6200000021 103-90-2 41 1 29 1
ALBUTEROL 6202000021 18559-94-9 39 0 31 0
CAFFEINE 5030500021 58-08-2 41 0 29 1
CARBAMAZEPINE 6279300021 298-46-4 39 1 31 0
CODEINE 6200300021 76-57-3 20 1 50 2
COTININE 6200500021 486-56-6 39 3 31 0
DEHYDRONIFEDIPINE 6200400021 67035-22-7 28 1 42 0
DILTIAZEM 6200800021 42399-41-7 28 2 42 0
DIPHENHYDRAMINE 6279600021 147-24-0 34 1 36 0
SULFAMETHOXAZOLE 6202100021 723-46-6 38 1 32 0
THIABENDAZOLE 6280100021 148-79-8 40 1 30 0
TRIMETHOPRIM 6202300021 738-70-5 39 1 31 0
WARFARIN 6202400021 81-81-2 41 1 29 0

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BQS Organic Blind Sample Program
False Positives & False Negatives
1,7-DIMETHYLXANTHINE (P-XANTHINE)
Method: 2080 Testid: 6203000021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for 1,7-DIMETHYLXANTHINE (P-XANTHINE)

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.12 06/09/09 < 0.12 0.1984619
False Positive 20111680037 Spex Organics T1100628001: 80 µl 0.1 06/23/11 E 0.014 0

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
ACETAMINOPHEN
Method: 2080 Testid: 6200000021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for ACETAMINOPHEN

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.08 06/09/09 < 0.08 0.1984619
False Positive 20111680037 Spex Organics T1100628001: 80 µl 0.12 06/23/11 E 0.273 0

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
CAFFEINE
Method: 2080 Testid: 5030500021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for CAFFEINE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Positive 20111680037 Spex Organics T1100628001: 80 µl 0.06 06/23/11 . 0.091 0

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
CARBAMAZEPINE
Method: 2080 Testid: 6279300021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for CARBAMAZEPINE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.04 06/09/09 < 0.04 0.1984619

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
CODEINE
Method: 2080 Testid: 6200300021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for CODEINE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.04 06/09/09 < 0.04 0.1984619
False Positive 20111680037 Spex Organics T1100628001: 80 µl 0.046 06/23/11 . 0.077 0
  20111750003 Supelco LB77166: 50 µl 0.046 07/05/11 . 0.0042 0

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
COTININE
Method: 2080 Testid: 6200500021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for COTININE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.026 06/09/09 < 0.026 0.1984619
  20091770122 Restek A063896: 25 µl 0.026 07/01/09 < 0.051 0.0696571
  20093450032 Accu 209081146: 50 µl 0.038 01/07/10 < 0.038 0.0643258

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
DEHYDRONIFEDIPINE
Method: 2080 Testid: 6200400021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for DEHYDRONIFEDIPINE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.08 06/09/09 < 0.08 0.1984619

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
DILTIAZEM
Method: 2080 Testid: 6200800021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for DILTIAZEM

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.08 06/09/09 < 0.08 0.1984619
  20091770122 Restek A063896: 25 µl 0.08 07/01/09 < 0.08 0.1388203

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
DIPHENHYDRAMINE
Method: 2080 Testid: 6279600021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for DIPHENHYDRAMINE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.04 06/09/09 < 0.04 0.1984619

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
SULFAMETHOXAZOLE
Method: 2080 Testid: 6202100021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for SULFAMETHOXAZOLE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.16 06/09/09 < 0.16 0.1984619

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
THIABENDAZOLE
Method: 2080 Testid: 6280100021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for THIABENDAZOLE

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.06 06/09/09 < 0.06 0.1984619

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
TRIMETHOPRIM
Method: 2080 Testid: 6202300021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for TRIMETHOPRIM

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.02 06/09/09 < 0.02 0.1984619

Updated 08/31/2015

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BQS Organic Blind Sample Program
False Positives & False Negatives
WARFARIN
Method: 2080 Testid: 6202400021
Link to Individual Chart

The SGPlot Procedure

False Positive & Negative Listing for WARFARIN

Status Lab ID Spike Mix Reporting Level Analysis Date Result Conc. Expected Conc.
False Negative 20091490006 NWQL LCL11SP078A: 80 µl 0.1 06/09/09 < 0.1 0.1984619

Updated 08/31/2015