OBSP Spike Level Charts

OBSP Determination:

1,1-DICHLORO-2-PROPANONE

METHOD: 4437 , TESTIDCODE: 80336GM016

Plotted Points Statistics

1,1-DICHLORO-2-PROPANONE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	19	99%	13%	97%	15%
Total	19	99%	13%	97%	15%

Sample Statistics

1,1-DICHLORO-2-PROPANONE

Characteristic	N	%	% Basis
Plotted	19	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	19	.
False Negatives	0	0%	0 out of 19
Not Spiked	30	.
False Positives	1	3%	1 out of 30

OBSP Determination:

1,2,3-TRICHLOROPROPANE

METHOD: 4437 , TESTIDCODE: 77443GM016

Plotted Points Statistics

1,2,3-TRICHLOROPROPANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	32	101%	8%	98%	8%
Total	32	101%	8%	98%	8%

Sample Statistics

1,2,3-TRICHLOROPROPANE

Characteristic	N	%	% Basis
Plotted	32	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	32	.
False Negatives	0	0%	0 out of 32
Not Spiked	17	.
False Positives	1	6%	1 out of 17

OBSP Determination:

1,2-DIBROMO-3-CHLOROPROPANE

METHOD: 4437 , TESTIDCODE: 82625GM016

Plotted Points Statistics

1,2-DIBROMO-3-CHLOROPROPANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	27	91%	8%	92%	8%
Total	27	91%	8%	92%	8%

Sample Statistics

1,2-DIBROMO-3-CHLOROPROPANE

Characteristic	N	%	% Basis
Plotted	27	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	27	.
False Negatives	0	0%	0 out of 27
Not Spiked	18	.
False Positives	0	0%	0 out of 18

OBSP Determination:

1,2-DIBROMOETHANE

METHOD: 4437 , TESTIDCODE: 77651GM016

Plotted Points Statistics

1,2-DIBROMOETHANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	33	97%	8%	96%	7%
Total	33	97%	8%	96%	7%

Sample Statistics

1,2-DIBROMOETHANE

Characteristic	N	%	% Basis
Plotted	33	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	33	.
False Negatives	0	0%	0 out of 33
Not Spiked	16	.
False Positives	1	6%	1 out of 16

OBSP Determination:

1,2-DICHLOROPROPANE

METHOD: 4437 , TESTIDCODE: 34541GM016

Plotted Points Statistics

1,2-DICHLOROPROPANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	21	102%	7%	100%	8%
Total	21	102%	7%	100%	8%

Sample Statistics

1,2-DICHLOROPROPANE

Characteristic	N	%	% Basis
Plotted	21	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	21	.
False Negatives	0	0%	0 out of 21
Not Spiked	16	.
False Positives	0	0%	0 out of 16

OBSP Determination:

1,3-DIOXOLANE

METHOD: 4437 , TESTIDCODE: 81583GM016

Plotted Points Statistics

1,3-DIOXOLANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	19	99%	14%	97%	10%
Total	19	99%	14%	97%	10%

Sample Statistics

1,3-DIOXOLANE

Characteristic	N	%	% Basis
Plotted	19	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	19	.
False Negatives	0	0%	0 out of 19
Not Spiked	18	.
False Positives	0	0%	0 out of 18

OBSP Determination:

1,4-DIOXANE

METHOD: 4437 , TESTIDCODE: 81582GM016

Plotted Points Statistics

1,4-DIOXANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	24	96%	7%	96%	7%
Total	24	96%	7%	96%	7%

Sample Statistics

1,4-DIOXANE

Characteristic	N	%	% Basis
Plotted	24	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	24	.
False Negatives	0	0%	0 out of 24
Not Spiked	21	.
False Positives	0	0%	0 out of 21

OBSP Determination:

1-OCTANOL

METHOD: 4437 , TESTIDCODE: 77310GM016

Plotted Points Statistics

1-OCTANOL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	35	84%	6%	83%	6%
Total	35	84%	6%	83%	6%

Sample Statistics

1-OCTANOL

Characteristic	N	%	% Basis
Plotted	35	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	35	.
False Negatives	0	0%	0 out of 35
Not Spiked	18	.
False Positives	0	0%	0 out of 18

OBSP Determination:

1METHOXY-4(2-PROPENYL)BENZENE

METHOD: 4437 , TESTIDCODE: 68066GM016

Plotted Points Statistics

1METHOXY-4(2-PROPENYL)BENZENE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	32	78%	11%	76%	9%
Total	32	78%	11%	76%	9%

Sample Statistics

1METHOXY-4(2-PROPENYL)BENZENE

Characteristic	N	%	% Basis
Plotted	32	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	32	.
False Negatives	0	0%	0 out of 32
Not Spiked	17	.
False Positives	1	6%	1 out of 17

OBSP Determination:

2-ETHOXYETHYL ACETATE

METHOD: 4437 , TESTIDCODE: 68728GM016

Plotted Points Statistics

2-ETHOXYETHYL ACETATE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	19	97%	14%	95%	11%
Total	19	97%	14%	95%	11%

Sample Statistics

2-ETHOXYETHYL ACETATE

Characteristic	N	%	% Basis
Plotted	19	95%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	20	.
False Negatives	1	5%	1 out of 20
Not Spiked	33	.
False Positives	1	3%	1 out of 33

OBSP Determination:

2-HEXANONE, 5-METHYL-

METHOD: 4437 , TESTIDCODE: 77179GM016

Plotted Points Statistics

2-HEXANONE, 5-METHYL-

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	23	94%	10%	95%	10%
Total	23	94%	10%	95%	10%

Sample Statistics

2-HEXANONE, 5-METHYL-

Characteristic	N	%	% Basis
Plotted	23	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	23	.
False Negatives	0	0%	0 out of 23
Not Spiked	22	.
False Positives	0	0%	0 out of 22

OBSP Determination:

2-NITROPROPANE

METHOD: 4437 , TESTIDCODE: 77076GM016

Plotted Points Statistics

2-NITROPROPANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	17	87%	7%	88%	7%
Total	17	87%	7%	88%	7%

Sample Statistics

2-NITROPROPANE

Characteristic	N	%	% Basis
Plotted	17	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	17	.
False Negatives	0	0%	0 out of 17
Not Spiked	20	.
False Positives	0	0%	0 out of 20

OBSP Determination:

2-PENTANOL, 4-METHYL-

METHOD: 4437 , TESTIDCODE: 77113GM016

Plotted Points Statistics

2-PENTANOL, 4-METHYL-

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	23	94%	7%	93%	7%
Total	23	94%	7%	93%	7%

Sample Statistics

2-PENTANOL, 4-METHYL-

Characteristic	N	%	% Basis
Plotted	23	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	23	.
False Negatives	0	0%	0 out of 23
Not Spiked	22	.
False Positives	3	14%	3 out of 22

OBSP Determination:

2-PROPEN-1-OL

METHOD: 4437 , TESTIDCODE: 68729GM016

Plotted Points Statistics

2-PROPEN-1-OL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	34	93%	7%	92%	6%
Total	34	93%	7%	92%	6%

Sample Statistics

2-PROPEN-1-OL

Characteristic	N	%	% Basis
Plotted	34	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	34	.
False Negatives	0	0%	0 out of 34
Not Spiked	19	.
False Positives	0	0%	0 out of 19

OBSP Determination:

4-HEPTANONE, 2,6-DIMETHYL-

METHOD: 4437 , TESTIDCODE: 77419GM016

Plotted Points Statistics

4-HEPTANONE, 2,6-DIMETHYL-

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	32	93%	7%	91%	8%
Total	32	93%	7%	91%	8%

Sample Statistics

4-HEPTANONE, 2,6-DIMETHYL-

Characteristic	N	%	% Basis
Plotted	32	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	32	.
False Negatives	0	0%	0 out of 32
Not Spiked	17	.
False Positives	3	18%	3 out of 17

OBSP Determination:

ACETATE, ETHYL

METHOD: 4437 , TESTIDCODE: 81585GM016

Plotted Points Statistics

ACETATE, ETHYL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	25	97%	17%	92%	17%
Total	25	97%	17%	92%	17%

Sample Statistics

ACETATE, ETHYL

Characteristic	N	%	% Basis
Plotted	25	96%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	26	.
False Negatives	1	4%	1 out of 26
Not Spiked	12	.
False Positives	1	8%	1 out of 12

OBSP Determination:

ACETATE, ISOBUTYL

METHOD: 4437 , TESTIDCODE: 77201GM016

Plotted Points Statistics

ACETATE, ISOBUTYL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	33	96%	16%	97%	14%
Total	33	96%	16%	97%	14%

Sample Statistics

ACETATE, ISOBUTYL

Characteristic	N	%	% Basis
Plotted	33	97%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	34	.
False Negatives	1	3%	1 out of 34
Not Spiked	19	.
False Positives	1	5%	1 out of 19

OBSP Determination:

ACETATE, ISOPROPYL

METHOD: 4437 , TESTIDCODE: 45013GM016

Plotted Points Statistics

ACETATE, ISOPROPYL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	34	93%	15%	93%	16%
Total	34	93%	15%	93%	16%

Sample Statistics

ACETATE, ISOPROPYL

Characteristic	N	%	% Basis
Plotted	34	97%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	35	.
False Negatives	1	3%	1 out of 35
Not Spiked	18	.
False Positives	1	6%	1 out of 18

OBSP Determination:

ACETATE, PROPYL

METHOD: 4437 , TESTIDCODE: 45022GM016

Plotted Points Statistics

ACETATE, PROPYL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	34	93%	12%	91%	11%
Total	34	93%	12%	91%	11%

Sample Statistics

ACETATE, PROPYL

Characteristic	N	%	% Basis
Plotted	34	97%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	35	.
False Negatives	1	3%	1 out of 35
Not Spiked	18	.
False Positives	1	6%	1 out of 18

OBSP Determination:

ACETONITRILE

METHOD: 4437 , TESTIDCODE: 76997GM016

Plotted Points Statistics

ACETONITRILE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	13	151%	50%	149%	36%
Total	13	151%	50%	149%	36%

Sample Statistics

ACETONITRILE

Characteristic	N	%	% Basis
Plotted	13	100%	Spiked
Estimated Values	1	8%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	13	.
False Negatives	0	0%	0 out of 13
Not Spiked	15	.
False Positives	4	27%	4 out of 15

OBSP Determination:

ACROLEIN

METHOD: 4437 , TESTIDCODE: 34210GM016

Plotted Points Statistics

ACROLEIN

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	2	88%	54%	88%	57%
Total	2	88%	54%	88%	57%

Sample Statistics

ACROLEIN

Characteristic	N	%	% Basis
Plotted	2	100%	Spiked
Estimated Values	2	100%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	2	.
False Negatives	0	0%	0 out of 2
Not Spiked	1	.
False Positives	0	0%	0 out of 1

OBSP Determination:

ALPHA-TERPINEOL

METHOD: 4437 , TESTIDCODE: 68730GM016

Plotted Points Statistics

ALPHA-TERPINEOL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	19	71%	13%	71%	11%
Total	19	71%	13%	71%	11%

Sample Statistics

ALPHA-TERPINEOL

Characteristic	N	%	% Basis
Plotted	19	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	19	.
False Negatives	0	0%	0 out of 19
Not Spiked	18	.
False Positives	0	0%	0 out of 18

OBSP Determination:

BUTANAL

METHOD: 4437 , TESTIDCODE: 68732GM016

Plotted Points Statistics

BUTANAL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	23	89%	7%	89%	6%
Total	23	89%	7%	89%	6%

Sample Statistics

BUTANAL

Characteristic	N	%	% Basis
Plotted	23	96%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	24	.
False Negatives	1	4%	1 out of 24
Not Spiked	22	.
False Positives	1	5%	1 out of 22

OBSP Determination:

BUTANOL

METHOD: 4437 , TESTIDCODE: 77034GM016

Plotted Points Statistics

BUTANOL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	19	90%	16%	93%	11%
Total	19	90%	16%	93%	11%

Sample Statistics

BUTANOL

Characteristic	N	%	% Basis
Plotted	19	100%	Spiked
Estimated Values	3	16%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	19	.
False Negatives	0	0%	0 out of 19
Not Spiked	17	.
False Positives	5	29%	5 out of 17

OBSP Determination:

CHLOROPICRIN

METHOD: 4437 , TESTIDCODE: 77548GM016

Plotted Points Statistics

CHLOROPICRIN

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	34	98%	17%	95%	20%
Total	34	98%	17%	95%	20%

Sample Statistics

CHLOROPICRIN

Characteristic	N	%	% Basis
Plotted	34	100%	Spiked
Estimated Values	6	18%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	34	.
False Negatives	0	0%	0 out of 34
Not Spiked	19	.
False Positives	0	0%	0 out of 19

OBSP Determination:

CYCLOHEXANONE

METHOD: 4437 , TESTIDCODE: 77097GM016

Plotted Points Statistics

CYCLOHEXANONE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	32	88%	5%	88%	4%
Total	32	88%	5%	88%	4%

Sample Statistics

CYCLOHEXANONE

Characteristic	N	%	% Basis
Plotted	32	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	32	.
False Negatives	0	0%	0 out of 32
Not Spiked	17	.
False Positives	1	6%	1 out of 17

OBSP Determination:

DIETHYLAMINE, N-NITROSO-

METHOD: 4437 , TESTIDCODE: 78200GM016

Plotted Points Statistics

DIETHYLAMINE, N-NITROSO-

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	32	86%	9%	85%	10%
Total	32	86%	9%	85%	10%

Sample Statistics

DIETHYLAMINE, N-NITROSO-

Characteristic	N	%	% Basis
Plotted	32	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	32	.
False Negatives	0	0%	0 out of 32
Not Spiked	17	.
False Positives	1	6%	1 out of 17

OBSP Determination:

DIMETHOXYMETHANE

METHOD: 4437 , TESTIDCODE: 81578GM016

Plotted Points Statistics

DIMETHOXYMETHANE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	20	112%	27%	105%	7%
Total	20	112%	27%	105%	7%

Sample Statistics

DIMETHOXYMETHANE

Characteristic	N	%	% Basis
Plotted	20	100%	Spiked
Estimated Values	1	5%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	20	.
False Negatives	0	0%	0 out of 20
Not Spiked	16	.
False Positives	0	0%	0 out of 16

OBSP Determination:

HEXACHLOROCYCLOPENTADIENE

METHOD: 4437 , TESTIDCODE: 34386GM016

Plotted Points Statistics

HEXACHLOROCYCLOPENTADIENE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	18	72%	30%	62%	14%
Total	18	72%	30%	62%	14%

Sample Statistics

HEXACHLOROCYCLOPENTADIENE

Characteristic	N	%	% Basis
Plotted	18	100%	Spiked
Estimated Values	18	100%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	18	.
False Negatives	0	0%	0 out of 18
Not Spiked	31	.
False Positives	12	39%	12 out of 31

OBSP Determination:

HEXANOL, 2-ETHYL-

METHOD: 4437 , TESTIDCODE: 77311GM016

Plotted Points Statistics

HEXANOL, 2-ETHYL-

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	29	87%	12%	88%	15%
Total	29	87%	12%	88%	15%

Sample Statistics

HEXANOL, 2-ETHYL-

Characteristic	N	%	% Basis
Plotted	29	94%	Spiked
Estimated Values	21	68%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	31	.
False Negatives	2	6%	2 out of 31
Not Spiked	22	.
False Positives	0	0%	0 out of 22

OBSP Determination:

ISOPHORONE

METHOD: 4437 , TESTIDCODE: 34408GM016

Plotted Points Statistics

ISOPHORONE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	21	83%	25%	77%	9%
Total	21	83%	25%	77%	9%

Sample Statistics

ISOPHORONE

Characteristic	N	%	% Basis
Plotted	21	100%	Spiked
Estimated Values	3	14%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	21	.
False Negatives	0	0%	0 out of 21
Not Spiked	19	.
False Positives	1	5%	1 out of 19

OBSP Determination:

ISOPROPYL ALCOHOL

METHOD: 4437 , TESTIDCODE: 77015GM016

Plotted Points Statistics

ISOPROPYL ALCOHOL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	17	163%	143%	124%	42%
Total	17	163%	143%	124%	42%

Sample Statistics

ISOPROPYL ALCOHOL

Characteristic	N	%	% Basis
Plotted	17	100%	Spiked
Estimated Values	2	12%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	17	.
False Negatives	0	0%	0 out of 17
Not Spiked	10	.
False Positives	1	10%	1 out of 10

OBSP Determination:

METHYL ACETATE

METHOD: 4437 , TESTIDCODE: 77032GM016

Plotted Points Statistics

METHYL ACETATE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	34	99%	17%	100%	19%
Total	34	99%	17%	100%	19%

Sample Statistics

METHYL ACETATE

Characteristic	N	%	% Basis
Plotted	34	97%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	35	.
False Negatives	1	3%	1 out of 35
Not Spiked	18	.
False Positives	1	6%	1 out of 18

OBSP Determination:

N-PENTANAL

METHOD: 4437 , TESTIDCODE: 77061GM016

Plotted Points Statistics

N-PENTANAL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	17	88%	7%	86%	9%
Total	17	88%	7%	86%	9%

Sample Statistics

N-PENTANAL

Characteristic	N	%	% Basis
Plotted	17	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	17	.
False Negatives	0	0%	0 out of 17
Not Spiked	32	.
False Positives	1	3%	1 out of 32

OBSP Determination:

NITROBENZENE

METHOD: 4437 , TESTIDCODE: 34447GM016

Plotted Points Statistics

NITROBENZENE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	33	96%	14%	94%	16%
Total	33	96%	14%	94%	16%

Sample Statistics

NITROBENZENE

Characteristic	N	%	% Basis
Plotted	33	100%	Spiked
Estimated Values	1	3%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	33	.
False Negatives	0	0%	0 out of 33
Not Spiked	16	.
False Positives	1	6%	1 out of 16

OBSP Determination:

TERT-BUTYL ALCOHOL

METHOD: 4437 , TESTIDCODE: 77035GM016

Plotted Points Statistics

TERT-BUTYL ALCOHOL

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	23	99%	7%	99%	5%
Total	23	99%	7%	99%	5%

Sample Statistics

TERT-BUTYL ALCOHOL

Characteristic	N	%	% Basis
Plotted	23	100%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	23	.
False Negatives	0	0%	0 out of 23
Not Spiked	22	.
False Positives	1	5%	1 out of 22

OBSP Determination:

TERT-BUTYL METHYL ETHER (MTBE)

METHOD: 4437 , TESTIDCODE: 78032GM016

Plotted Points Statistics

TERT-BUTYL METHYL ETHER (MTBE)

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	16	113%	15%	112%	13%
Total	16	113%	15%	112%	13%

Sample Statistics

TERT-BUTYL METHYL ETHER (MTBE)

Characteristic	N	%	% Basis
Plotted	16	94%	Spiked
Estimated Values	0	0%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	1	6%	Spiked
Spiked	17	.
False Negatives	0	0%	0 out of 17
Not Spiked	12	.
False Positives	0	0%	0 out of 12

OBSP Determination:

TRANS-CROTONALDEHYDE

METHOD: 4437 , TESTIDCODE: 68733GM016

Plotted Points Statistics

TRANS-CROTONALDEHYDE

Spike Level	N	Mean	Std-Dev.	Median	F_Pseudo
>= Reporting Level	26	115%	21%	118%	18%
Total	26	115%	21%	118%	18%

Sample Statistics

TRANS-CROTONALDEHYDE

Characteristic	N	%	% Basis
Plotted	26	100%	Spiked
Estimated Values	4	15%	Spiked
Deleted Values	0	0%	Spiked + Not Spiked
Spiked, Censored	0	0%	Spiked
Spiked	26	.
False Negatives	0	0%	0 out of 26
Not Spiked	19	.
False Positives	0	0%	0 out of 19