BQS Organic Blind Sample Program
Analytes by Multiple Methods
TERT-BUTYL METHYL ETHER (MTBE)

Pct Recovery = 150% Schedule Code = 4437 Pct Recovery = 158% Schedule Code = 4437 Pct Recovery = 162% Schedule Code = 4437 Pct Recovery = 167% Schedule Code = 4437 Pct Recovery = 126% Schedule Code = 4440 Pct Recovery = 124% Schedule Code = 4054 Pct Recovery = 131% Schedule Code = 2021 Pct Recovery = 132% Schedule Code = 2021 Pct Recovery = 134% Schedule Code = 2021 Pct Recovery = 134% Schedule Code = 2021 Pct Recovery = 134% Schedule Code = 2021 Pct Recovery = 142% Schedule Code = 2021 Pct Recovery = 147% Schedule Code = 2021 Pct Recovery = 192% Schedule Code = 2021 Pct Recovery = 68% Schedule Code = 2021 Pct Recovery = 137% Schedule Code = 4024 Pct Recovery = 141% Schedule Code = 4024 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4437 Minimum Whisker = 86% First Quartile = 97% Median = 109% Third Quartile = 117% Maximum Whisker = 134% Mean = 112% Standard Deviation = 19% Number of Observations = 41 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4440 Minimum Whisker = 80% First Quartile = 95% Median = 103% Third Quartile = 107% Maximum Whisker = 122% Mean = 102% Standard Deviation = 9% Number of Observations = 65 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 4054 Minimum Whisker = 92% First Quartile = 98% Median = 104% Third Quartile = 107% Maximum Whisker = 107% Mean = 104% Standard Deviation = 10% Number of Observations = 8 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 2021 Minimum Whisker = 77% First Quartile = 93% Median = 100% Third Quartile = 108% Maximum Whisker = 126% Mean = 103% Standard Deviation = 15% Number of Observations = 148 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Schedule Code = 4024 Minimum Whisker = 75% First Quartile = 97% Median = 105% Third Quartile = 112% Maximum Whisker = 134% Mean = 106% Standard Deviation = 13% Number of Observations = 102 Y = 1
The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
TERT-BUTYL METHYL ETHER (MTBE)

The SGPlot Procedure

BQS Organic Blind Sample Program
Analytes by Multiple Methods
TERT-BUTYL METHYL ETHER (MTBE)

The SGPlot Procedure