BQS OBSP Determination:
ACETONE
SCHEDULE: 4024 , TESTIDCODE: 81552GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
ACETONE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 52 118% 19% 113% 17%
Total 52 118% 19% 113% 17%

Sample Statistics
ACETONE

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 0 0% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 0 0% 0 out of 52
Not Spiked 50 .  
False Positives 7 14% 7 out of 49

BQS OBSP Determination:
DIISOPROPYL ETHER
SCHEDULE: 4024 , TESTIDCODE: 81577GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
DIISOPROPYL ETHER

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 49 103% 9% 101% 7%
Total 49 103% 9% 101% 7%

Sample Statistics
DIISOPROPYL ETHER

Characteristic N % % Basis
Plotted 49 100% Spiked
Estimated Values 4 8% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 49
Not Spiked 52 .  
False Positives 0 0% 0 out of 52

BQS OBSP Determination:
ETHYL TERT-BUTYL ETHER
SCHEDULE: 4024 , TESTIDCODE: 50004GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
ETHYL TERT-BUTYL ETHER

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 49 104% 12% 104% 9%
Total 49 104% 12% 104% 9%

Sample Statistics
ETHYL TERT-BUTYL ETHER

Characteristic N % % Basis
Plotted 49 100% Spiked
Estimated Values 12 24% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 49
Not Spiked 52 .  
False Positives 0 0% 0 out of 52

BQS OBSP Determination:
METHYL ACETATE
SCHEDULE: 4024 , TESTIDCODE: 77032GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
METHYL ACETATE

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 52 104% 15% 104% 14%
Total 52 104% 15% 104% 14%

Sample Statistics
METHYL ACETATE

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 1 2% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 0 0% 0 out of 52
Not Spiked 50 .  
False Positives 1 2% 1 out of 49

BQS OBSP Determination:
TERT-AMYL ALCOHOL
SCHEDULE: 4024 , TESTIDCODE: 77073GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
TERT-AMYL ALCOHOL

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 52 101% 13% 100% 6%
Total 52 101% 13% 100% 6%

Sample Statistics
TERT-AMYL ALCOHOL

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 2 4% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 0 0% 0 out of 52
Not Spiked 50 .  
False Positives 0 0% 0 out of 49

BQS OBSP Determination:
TERT-BUTYL ALCOHOL
SCHEDULE: 4024 , TESTIDCODE: 77035GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
TERT-BUTYL ALCOHOL

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 8 88% 8% 88% 8%
>= Reporting Level 44 100% 8% 99% 7%
Total 52 98% 9% 98% 7%

Sample Statistics
TERT-BUTYL ALCOHOL

Characteristic N % % Basis
Plotted 52 100% Spiked
Estimated Values 8 15% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 52 .  
False Negatives 0 0% 0 out of 52
Not Spiked 50 .  
False Positives 0 0% 0 out of 49

BQS OBSP Determination:
TERT-BUTYL METHYL ETHER (MTBE)
SCHEDULE: 4024 , TESTIDCODE: 78032GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
TERT-BUTYL METHYL ETHER (MTBE)

Spike Level N Mean Std-Dev. Median F_Pseudo
< Reporting Level 6 106% 7% 106% 7%
>= Reporting Level 43 107% 15% 105% 13%
Total 49 107% 14% 105% 11%

Sample Statistics
TERT-BUTYL METHYL ETHER (MTBE)

Characteristic N % % Basis
Plotted 49 100% Spiked
Estimated Values 5 10% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 49
Not Spiked 52 .  
False Positives 0 0% 0 out of 52

BQS OBSP Determination:
TERT-PENTYL METHYL ETHER (TAME)
SCHEDULE: 4024 , TESTIDCODE: 50005GCM60
Open Data Set

The SGPlot Procedure

Plotted Points Statistics
TERT-PENTYL METHYL ETHER (TAME)

Spike Level N Mean Std-Dev. Median F_Pseudo
>= Reporting Level 49 106% 12% 104% 9%
Total 49 106% 12% 104% 9%

Sample Statistics
TERT-PENTYL METHYL ETHER (TAME)

Characteristic N % % Basis
Plotted 49 100% Spiked
Estimated Values 6 12% Spiked
Deleted Values 1 1% Spiked + Not Spiked
Spiked, Censored 0 0% Spiked
Spiked 50 .  
False Negatives 0 0% 0 out of 49
Not Spiked 52 .  
False Positives 0 0% 0 out of 52