SAS Output

BQS Organic Blind Sample Project

False Positive and Negative Report for

Method: 2021

Analyte	TestIDCode	CASNumber	# Samples Spiked	# False Negatives	# Samples Not Spiked	# False Positives
1,1,1,2-TETRACHLOROETHANE	77562GCM66	630-20-6	65	0	110	1
1,1,1-TRICHLOROETHANE	34506GCM66	71-55-6	69	0	106	0
1,1,2,2-TETRACHLOROETHANE	34516GCM66	79-34-5	76	0	99	0
1,1,2-TRICHLOROETHANE	34511GCM66	79-00-5	65	0	110	1
1,1,2-TRICHLOROTRIFLUOROETHANE	77652GCM66	76-13-1	77	0	98	0
1,1-DICHLOROETHANE	34496GCM66	75-34-3	57	0	118	1
1,1-DICHLOROETHYLENE	34501GCM66	75-35-4	69	0	106	0
1,1-DICHLOROPROPENE	77168GCM66	563-58-6	78	0	97	0
1,2,3,4-TETRAMETHYLBENZENE	49999GCM66	488-23-3	62	0	107	0
1,2,3,5-TETRAMETHYLBENZENE	50000GCM66	527-53-7	65	0	110	2
1,2,3-TRICHLOROBENZENE	77613GCM66	87-61-6	66	0	109	1
1,2,3-TRICHLOROPROPANE	77443GCM66	96-18-4	77	0	98	0
1,2,3-TRIMETHYLBENZENE	77221GCM66	526-73-8	65	0	110	1
1,2,4-TRICHLOROBENZENE	34551GCM66	120-82-1	56	0	119	1
1,2,4-TRIMETHYLBENZENE	77222GCM66	95-63-6	78	0	97	1
1,2-DIBROMO-3-CHLOROPROPANE	82625GCM66	96-12-8	77	0	98	0
1,2-DIBROMOETHANE	77651GCM66	106-93-4	67	0	108	0
1,2-DICHLOROBENZENE	34536GCM66	95-50-1	69	0	106	0
1,2-DICHLOROETHANE	32103GCM66	107-06-2	65	0	110	1
1,2-DICHLOROPROPANE	34541GCM66	78-87-5	69	0	106	0
1,3,5-TRIMETHYLBENZENE	77226GCM66	108-67-8	77	0	98	0
1,3-DICHLOROBENZENE	34566GCM66	541-73-1	69	0	106	0
1,3-DICHLOROPROPANE	77173GCM66	142-28-9	65	0	110	1
1,4-DICHLOROBENZENE	34571GCM66	106-46-7	69	0	106	0
2,2-DICHLOROPROPANE	77170GCM66	594-20-7	65	0	110	1
2-BUTANONE	81595GCM66	78-93-3	77	0	98	1
2-CHLOROTOLUENE	77275GCM66	95-49-8	68	0	107	1
2-HEXANONE	77103GCM66	591-78-6	77	0	98	0
3-CHLOROPROPENE	78109GCM66	107-05-1	65	1	99	1
4-CHLOROTOLUENE	77277GCM66	106-43-4	56	0	119	1
4-ISOPROPYL-1-METHYLBENZENE (CYMENE)	77356GCM66	99-87-6	65	0	110	1
4-METHYL-2-PENTANONE	78133GCM66	108-10-1	77	0	98	0
ACETONE	81552GCM66	67-64-1	77	0	98	3
ACRYLONITRILE	34215GCM66	107-13-1	77	0	98	0
BENZENE	34030GCM66	71-43-2	69	0	106	0
BROMOBENZENE	81555GCM66	108-86-1	69	0	106	0
BROMOCHLOROMETHANE	77297GCM66	74-97-5	65	0	110	1
BROMODICHLOROMETHANE	32101GCM66	75-27-4	69	0	106	0
BROMOETHENE	50002GCM66	593-60-2	63	0	112	0
BROMOFORM	32104GCM66	75-25-2	74	1	101	1
BROMOMETHANE	34413GCM66	74-83-9	77	0	98	7
BUTYLBENZENE	77342GCM66	104-51-8	66	0	109	1
CARBON DISULFIDE	77041GCM66	75-15-0	58	0	110	0
CHLOROBENZENE	34301GCM66	108-90-7	69	0	106	0
CHLOROETHANE	34311GCM66	75-00-3	64	0	111	1
CHLOROFORM	32106GCM66	67-66-3	69	0	100	1
CHLOROMETHANE	34418GCM66	74-87-3	76	0	99	0
CIS-1,2-DICHLOROETHYLENE	77093GCM66	156-59-2	69	0	106	0
CIS-1,3-DICHLOROPROPENE	34704GCM66	10061-01-5	76	0	99	0
DIBROMOCHLOROMETHANE	32105GCM66	124-48-1	76	0	99	0
DIBROMOMETHANE	30217GCM66	74-95-3	57	0	118	1
DICHLORODIFLUOROMETHANE	34668GCM66	75-71-8	71	0	98	0
DICHLOROMETHANE	34423GCM66	75-09-2	69	0	106	15
DIETHYL ETHER	81576GCM66	60-29-7	54	0	121	0
DIISOPROPYL ETHER	81577GCM66	108-20-3	65	0	110	1
ETHYL METHACRYLATE	73570GCM66	97-63-2	77	0	98	0
ETHYL TERT-BUTYL ETHER	50004GCM66	637-92-3	69	0	106	0
ETHYLBENZENE	34371GCM66	100-41-4	69	0	106	0
HEXACHLOROBUTADIENE	39702GCM66	87-68-3	65	0	110	1
HEXACHLOROETHANE	34396GCM66	67-72-1	66	0	109	0
ISOPROPYLBENZENE (CUMENE)	77223GCM66	98-82-8	67	0	108	0
M- AND P-XYLENE	85795GCM66	179601-23-1	74	0	101	1
METHYL ACRYLATE	49991GCM66	96-33-3	71	0	98	0
METHYL ACRYLONITRILE	81593GCM66	126-98-7	77	0	98	0
METHYL IODIDE	77424GCM66	74-88-4	77	0	87	2
METHYL METHACRYLATE	81597GCM66	80-62-6	71	1	98	0
N-PROPYLBENZENE	77224GCM66	103-65-1	78	0	97	0
NAPHTHALENE	34696GCM66	91-20-3	77	0	98	0
O-ETHYL TOLUENE	77220GCM66	611-14-3	69	0	106	0
O-XYLENE	77135GCM66	95-47-6	78	2	97	0
SEC-BUTYLBENZENE	77350GCM66	135-98-8	68	0	107	0
STYRENE	77128GCM66	100-42-5	67	0	108	1
TERT-BUTYL METHYL ETHER (MTBE)	78032GCM66	1634-04-4	76	0	99	0
TERT-BUTYLBENZENE	77353GCM66	98-06-6	65	2	110	1
TERT-PENTYL METHYL ETHER (TAME)	50005GCM66	994-05-8	65	0	110	5
TETRACHLOROETHYLENE	34475GCM66	127-18-4	69	0	106	19
TETRACHLOROMETHANE	32102GCM66	56-23-5	65	0	110	1
TETRAHYDROFURAN	81607GCM66	109-99-9	77	0	98	0
TOLUENE	34010GCM66	108-88-3	69	0	106	4
TRANS-1,2-DICHLOROETHYLENE	34546GCM66	156-60-5	69	0	106	0
TRANS-1,3-DICHLOROPROPENE	34699GCM66	10061-02-6	76	1	99	0
TRANS-1,4-DICHLORO-2-BUTENE	73547GCM66	110-57-6	77	0	98	0
TRICHLOROETHYLENE	39180GCM66	79-01-6	69	0	106	6
TRICHLOROFLUOROMETHANE	34488GCM66	75-69-4	65	0	110	1
VINYL CHLORIDE	39175GCM66	75-01-4	65	0	110	1

BQS Organic Blind Sample Program

False Positives & False Negatives

1,1,1,2-TETRACHLOROETHANE

Method: 2021 Testid: 77562GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,1,1,2-TETRACHLOROETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.04	04/17/13	. 0.214	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,1,2-TRICHLOROETHANE

Method: 2021 Testid: 34511GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,1,2-TRICHLOROETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.046	04/17/13	. 1.01	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,1-DICHLOROETHANE

Method: 2021 Testid: 34496GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,1-DICHLOROETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.044	04/17/13	. 1.21	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,2,3,5-TETRAMETHYLBENZENE

Method: 2021 Testid: 50000GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,2,3,5-TETRAMETHYLBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20121600154	Abs 051712: 20 µl	0.08	06/12/12	. 0.03	0
	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	. 0.287	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,2,3-TRICHLOROBENZENE

Method: 2021 Testid: 77613GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,2,3-TRICHLOROBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.506	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,2,3-TRIMETHYLBENZENE

Method: 2021 Testid: 77221GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,2,3-TRIMETHYLBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.583	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,2,4-TRICHLOROBENZENE

Method: 2021 Testid: 34551GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,2,4-TRICHLOROBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	. 0.281	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,2,4-TRIMETHYLBENZENE

Method: 2021 Testid: 77222GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,2,4-TRIMETHYLBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20130180025	Accu 212051193: 40 µl & Abs 051712: 40 µl	0.032	01/19/13	. 0.0335	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,2-DICHLOROETHANE

Method: 2021 Testid: 32103GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,2-DICHLOROETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	. 2.05	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

1,3-DICHLOROPROPANE

Method: 2021 Testid: 77173GCM66

Link to Individual Chart

False Positive & Negative Listing for 1,3-DICHLOROPROPANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.391	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

2,2-DICHLOROPROPANE

Method: 2021 Testid: 77170GCM66

Link to Individual Chart

False Positive & Negative Listing for 2,2-DICHLOROPROPANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.353	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

2-BUTANONE

Method: 2021 Testid: 81595GCM66

Link to Individual Chart

False Positive & Negative Listing for 2-BUTANONE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	1.6	04/17/13	. 0.63	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

2-CHLOROTOLUENE

Method: 2021 Testid: 77275GCM66

Link to Individual Chart

False Positive & Negative Listing for 2-CHLOROTOLUENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20130180025	Accu 212051193: 40 µl & Abs 051712: 40 µl	0.028	01/19/13	. 0.0304	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

3-CHLOROPROPENE

Method: 2021 Testid: 78109GCM66

Link to Individual Chart

False Positive & Negative Listing for 3-CHLOROPROPENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Negative	20091320008	Ultra CE-2869: 20 µl	0.08	05/13/09	< 0.08	0.0804
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	E 0.973	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

4-CHLOROTOLUENE

Method: 2021 Testid: 77277GCM66

Link to Individual Chart

False Positive & Negative Listing for 4-CHLOROTOLUENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.042	04/17/13	. 1.76	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

4-ISOPROPYL-1-METHYLBENZENE (CYMENE)

Method: 2021 Testid: 77356GCM66

Link to Individual Chart

False Positive & Negative Listing for 4-ISOPROPYL-1-METHYLBENZENE (CYMENE)

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.662	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

ACETONE

Method: 2021 Testid: 81552GCM66

Link to Individual Chart

False Positive & Negative Listing for ACETONE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20102180086	Restek A069860: 30 µl	3.4	08/11/10	E 0.4
	20122500213	NSI 062112-01VOA: 20 µl & Supelco LB92787: 20 µl	3.4	09/11/12	. 0.94
	20123560093	NSI 062112-01VOA: 40 µl & Supelco LB92787: 40 µl	3.4	12/22/12	. 1.67

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

BROMOCHLOROMETHANE

Method: 2021 Testid: 77297GCM66

Link to Individual Chart

False Positive & Negative Listing for BROMOCHLOROMETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.327	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

BROMOFORM

Method: 2021 Testid: 32104GCM66

Link to Individual Chart

False Positive & Negative Listing for BROMOFORM

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Negative	20091320008	Ultra CE-2869: 20 µl	0.1	05/13/09	< 0.1	0.1204
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.1	04/17/13	. 1.67	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

BROMOMETHANE

Method: 2021 Testid: 34413GCM66

Link to Individual Chart

False Positive & Negative Listing for BROMOMETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20110690081	Accu 210061400: 40 µl	0.2	03/17/11	E 0.05
	20111590001	NSI 062310-01: 40 µl	0.2	06/10/11	E 0.38
	20120370005	Abs 080510: 20 µl	0.2	02/18/12	E 0.055
	20121950053	Crescent 05BB048: 10 µl & Accu 212051193: 10 µl	0.2	07/19/12	E 0.056
	20123070013	Crescent 05BB048: 20 µl & Accu 212051193: 20 µl	0.2	11/08/12	E 0.051
	20123560093	NSI 062112-01VOA: 40 µl & Supelco LB92787: 40 µl	0.2	12/22/12	E 0.037
	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.2	04/17/13	E 0.057

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

BUTYLBENZENE

Method: 2021 Testid: 77342GCM66

Link to Individual Chart

False Positive & Negative Listing for BUTYLBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	. 0.456	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

CHLOROETHANE

Method: 2021 Testid: 34311GCM66

Link to Individual Chart

False Positive & Negative Listing for CHLOROETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 3.38	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

CHLOROFORM

Method: 2021 Testid: 32106GCM66

Link to Individual Chart

False Positive & Negative Listing for CHLOROFORM

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20130180025	Accu 212051193: 40 µl & Abs 051712: 40 µl	0.03	01/19/13	. 0.0285	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

DIBROMOMETHANE

Method: 2021 Testid: 30217GCM66

Link to Individual Chart

False Positive & Negative Listing for DIBROMOMETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.05	04/17/13	. 0.571	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

DICHLOROMETHANE

Method: 2021 Testid: 34423GCM66

Link to Individual Chart

False Positive & Negative Listing for DICHLOROMETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20091620168	Ultra CE-2869: 40 µl	0.04	06/17/09	E 0.02
	20091770124	Ultra CE-2869: 40 µl	0.04	06/30/09	E 0.02
	20092180176	Ultra CE-2869: 20 µl	0.04	08/11/09	E 0.01
	20093380012	NSI 090909-01VOC: 30 µl	0.038	12/11/09	E 0.0177
	20093560038	Accu 209081198: 30 µl	0.038	12/24/09	. 0.171
	20100420058	Accu 209081198: 10 µl	0.038	02/19/10	E 0.0321
	20100810066	Accu 209081198: 30 µl	0.038	03/26/10	E 0.0406
	20102180086	Restek A069860: 30 µl	0.038	08/11/10	E 0.0256
	20102250095	NSI 090909-01VOC: 30 µl	0.038	08/14/10	E 0.0211
	20102390264	Accu 209081198: 10 µl	0.038	09/01/10	E 0.0141
	20102500044	Abs 090809: 30 µl	0.038	09/08/10	E 0.0113
	20111680038	Crescent 06MM148: 20 µl	0.04	06/18/11	. 0.0587
	20132560004	Supelco LC00154: 20 µl & ChemService 1530700: 20 µl	0.04	09/17/13	. 0.045
	20132980025	Accu 213041120: 20 µl & ChemService 1530700: 20 µl	0.04	11/01/13	. 0.0448
	20140230083	Supelco LC00154: 20 µl & ChemService 1530700: 20 µl	0.04	01/29/14	. 0.0424

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

DIISOPROPYL ETHER

Method: 2021 Testid: 81577GCM66

Link to Individual Chart

False Positive & Negative Listing for DIISOPROPYL ETHER

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 1.47	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

HEXACHLOROBUTADIENE

Method: 2021 Testid: 39702GCM66

Link to Individual Chart

False Positive & Negative Listing for HEXACHLOROBUTADIENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	. 0.386	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

M- AND P-XYLENE

Method: 2021 Testid: 85795GCM66

Link to Individual Chart

False Positive & Negative Listing for M- AND P-XYLENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.08	04/17/13	. 3.47	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

METHYL IODIDE

Method: 2021 Testid: 77424GCM66

Link to Individual Chart

False Positive & Negative Listing for METHYL IODIDE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20102180086	Restek A069860: 30 µl	0.26	08/11/10	E 0.042	0
	20111590001	NSI 062310-01: 40 µl	0.26	06/10/11	E 0.36	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

METHYL METHACRYLATE

Method: 2021 Testid: 81597GCM66

Link to Individual Chart

False Positive & Negative Listing for METHYL METHACRYLATE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Negative	20101060009	NSI 090909-01VOC: 10 µl	0.22	04/21/10	< 0.22	0.28

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

O-XYLENE

Method: 2021 Testid: 77135GCM66

Link to Individual Chart

False Positive & Negative Listing for O-XYLENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Negative	20090990153	ChemService 406-110C: 20 µl	0.04	04/11/09	< 0.05	0.06
	20102390264	Accu 209081198: 10 µl	0.032	09/01/10	< 0.058	0.0594

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

STYRENE

Method: 2021 Testid: 77128GCM66

Link to Individual Chart

False Positive & Negative Listing for STYRENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.042	04/17/13	. 0.965	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TERT-BUTYLBENZENE

Method: 2021 Testid: 77353GCM66

Link to Individual Chart

False Positive & Negative Listing for TERT-BUTYLBENZENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Negative	20101950135	Accu 209081198: 10 µl	0.06	07/16/10	< 0.072	0.0792
	20102390264	Accu 209081198: 10 µl	0.06	09/01/10	< 0.075	0.0792
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.349	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TERT-PENTYL METHYL ETHER (TAME)

Method: 2021 Testid: 50005GCM66

Link to Individual Chart

False Positive & Negative Listing for TERT-PENTYL METHYL ETHER (TAME)

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20103020157	Accu 210061400: 40 µl	0.06	11/02/10	. 0.033
	20110690081	Accu 210061400: 40 µl	0.06	03/17/11	. 0.054
	20111170106	Accu 210061400: 20 µl	0.06	04/29/11	. 0.028
	20113010043	Accu 210061400: 20 µl	0.06	11/03/11	. 0.022
	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 0.54

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TETRACHLOROETHYLENE

Method: 2021 Testid: 34475GCM66

Link to Individual Chart

False Positive & Negative Listing for TETRACHLOROETHYLENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20100630040	NSI 090909-01VOC: 30 µl	0.026	03/11/10	. 0.0772
	20102030002	Abs 090809: 10 µl	0.026	07/27/10	E 0.0207
	20102500044	Abs 090809: 30 µl	0.026	09/08/10	. 0.0746
	20103140133	Restek A075493: 40 µl	0.026	11/16/10	. 0.0521
	20103350005	Crescent 06MM148: 40 µl	0.026	12/03/10	. 0.0364
	20110210094	Restek A075493: 20 µl	0.026	01/22/11	. 0.0325
	20110340011	Crescent 06MM148: 20 µl	0.026	02/14/11	. 0.036
	20110620085	Restek A075493: 40 µl	0.026	03/08/11	. 0.0556
	20111680038	Crescent 06MM148: 20 µl	0.026	06/18/11	. 0.0211
	20111950194	Restek A075493: 20 µl	0.026	07/20/11	. 0.0257
	20112170149	Crescent 06MM148: 40 µl	0.026	08/10/11	. 0.0207
	20112450030	Restek A075493: 20 µl	0.026	09/03/11	. 0.0354
	20112930089	Crescent 06MM148: 20 µl	0.026	10/24/11	. 0.0334
	20113490067	Crescent 06MM148: 40 µl	0.026	12/17/11	. 0.01
	20120470076	Crescent 06MM148: 20 µl	0.026	02/24/12	. 0.0181
	20120540039	Restek A075493: 40 µl	0.026	02/24/12	. 0.0326
	20132140003	Supelco LC00154: 20 µl & Abs 051413: 20 µl	0.026	08/06/13	. 0.0056
	20132980025	Accu 213041120: 20 µl & ChemService 1530700: 20 µl	0.026	11/01/13	. 0.013
	20140230083	Supelco LC00154: 20 µl & ChemService 1530700: 20 µl	0.026	01/29/14	. 0.0167

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TETRACHLOROMETHANE

Method: 2021 Testid: 32102GCM66

Link to Individual Chart

False Positive & Negative Listing for TETRACHLOROMETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 2.06	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TOLUENE

Method: 2021 Testid: 34010GCM66

Link to Individual Chart

False Positive & Negative Listing for TOLUENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20090920063	Supelco LB60727: 40 µl	0.018	04/08/09	E 0.02
	20091830175	Supelco LB60727: 40 µl	0.018	07/08/09	E 0.018
	20092040199	ERA 0804-08-02VOC: 40 µl	0.018	07/25/09	E 0.016
	20092260015	Supelco LB60727: 20 µl	0.018	08/19/09	E 0.011

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TRANS-1,3-DICHLOROPROPENE

Method: 2021 Testid: 34699GCM66

Link to Individual Chart

False Positive & Negative Listing for TRANS-1,3-DICHLOROPROPENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Negative	20090500156	Supelco LB60727: 20 µl	0.1	02/27/09	< 0.14	0.144

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TRICHLOROETHYLENE

Method: 2021 Testid: 39180GCM66

Link to Individual Chart

False Positive & Negative Listing for TRICHLOROETHYLENE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.
False Positive	20090920063	Supelco LB60727: 40 µl	0.02	04/08/09	E 0.027
	20100110075	Abs 090809: 30 µl	0.022	01/26/10	E 0.0149
	20113490067	Crescent 06MM148: 40 µl	0.022	12/17/11	. 0.0111
	20131580021	Accu 213041120: 10 µl & Abs 051413: 10 µl	0.022	06/08/13	. 0.0143
	20132140003	Supelco LC00154: 20 µl & Abs 051413: 20 µl	0.022	08/06/13	. 0.0221
	20140230083	Supelco LC00154: 20 µl & ChemService 1530700: 20 µl	0.022	01/29/14	. 0.011

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

TRICHLOROFLUOROMETHANE

Method: 2021 Testid: 34488GCM66

Link to Individual Chart

False Positive & Negative Listing for TRICHLOROFLUOROMETHANE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 1.59	0

Updated 08/31/2015

BQS Organic Blind Sample Program

False Positives & False Negatives

VINYL CHLORIDE

Method: 2021 Testid: 39175GCM66

Link to Individual Chart

False Positive & Negative Listing for VINYL CHLORIDE

Status	Lab ID	Spike Mix	Reporting Level	Analysis Date	Result Conc.	Expected Conc.
False Positive	20131020084	Accu 212051389: 20 µl & Crescent 05BB048: 20 µl	0.06	04/17/13	. 1.28	0

Updated 08/31/2015