2008-12-17_HYDROLOGY - M2004078 ‎(2)‎

• Permit No: M2004078
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/17/2008
• Doc Name: 2008 Annual Water Quality Rpt.- Appendix B4- Lab Results, Oct. 2008
• From: Denver Water
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

a Ana/ytica/—
Organics Quality Control
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Pace Analytical?Services, Inc. •
1000 Riverbendl Blvd. Suite F •
St. Rose, LA 70087
(5,04) 469-0333 •
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Batch: 108776 Project: 2087303 LCS: 20645620 16-Oct-08 13:08
MS: 20645621 16-Oct-08 15:16
Units: uWL MSD: 20645622 16-Oct-08 15:42
Original for MS: Client SMIe 60481,38001 •
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LCS LCS LCS MS Sample MS MSD MS MSD MSD QC Limits Max Qu•
Parameter Name Spike Found %Rec Spike Found Found Found %Rec %Rec RPD LCS MS/MSD RPD
Benzene 50 52.32 105 50 0.00 64.16 63.06 128 126 2 62- 131 52- 141 20
Ethylbenzene 50 48.55 97 50 0.00 53.28 54.88 107 110 3 66- 126 57- 135 20
Methyl-tert-butyl ether 50 48.65 97 50 0.00 63.81 62.67 128 125 2 37 - 166 35- 176 20 •
Toluene 50 52.25 105 50 0.00 61.07 62.33 122 125 2 69 - 126 59- 136 20 •
m&p-Xylene 100 93.63 94 100 0.00 100.5 100.9 101 101 0 65- 129 56'- 136 20
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o-Xylene 50 43.17 86 50 0.00 49.33 49.26 99 99 0 65- 124 57- 133 20
6 compound(s) reported •
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* denotes recovery outside of QC limits. 10/23/2008 11: 26:06
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MS/MSD RPD is calculated via SW-846 rules on the basis of spiked sample concentrat ions rather than spike recoveries.
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