2011-06-20_HYDROLOGY - M1977300 (2)

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ENERGY A - ;or-ZAioNfE www.enetgylab.com Madtlaifa.Ia.c Shes 7952 J I Client: Cotter Corporation Project: Schwartz SW 5/16/11 S25329- S25336 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Method: E200.8 Sample ID: MB -29904 Antimony Lead Silver Thallium Sample ID: LCS3 -29904 4 Laboratory Control Sample Run: ICPMS4- C_110520A 05/20/11 16:02 Antimony 0.580 mg /L 0.050 116 85 115 S Lead 0.527 mg /L 0.050 105 85 115 Silver 0.0521 mg /L 0.010 104 85 115 Thallium 0.528 mg /L 0.10 106 85 115 - Response is above standard QA limit. This could indicate a high bias for the sample results. Since there were no detectable analyte responses, and the remainder of the run QA is within acceptance range, this batch is approved. Sample ID: 011050640- 003DMS3 4 Sample Matrix Spike Run: ICPMS4- C_110520A 05/20/11 18:41 Antimony 0.556 mg /L 0.050 111 70 130 Lead 0.531 mg /L 0.050 106 70 130 Silver 0.0513 mg /L 0.010 103 70 130 Thallium 0.526 mg /L 0.10 105 70 130 Sample ID: C11050640- 003DMSD 4 Sample Matrix Spike Duplicate Run: ICPMS4- C_110520A 05/20/11 18:48 Antimony 0.560 mg /L 0.050 112 70 130 0.7 20 Lead 0.530 mg /L 0.050 106 70 130 0.1 20 Silver 0.0509 mg /L 0.010 102 70 130 0.8 20 Thallium 0.526 mg /L 0.10 105 70 130 0.0 20 Method: E200.8 Sample ID: MB -29904 2 Method Blank Chromium ND mg /L Zinc ND mg /L Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration Helena, MT 877472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 -235 -0515 Gillette, 866 -686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 -690 -2218 QA/QC Summary Report Prepared by Casper, WY Branch 4 Method Blank 0.00136 mg /L 0.0010 ND mg /L 0.0050 0.000154 mg /L 5.0E -05 ND mg /L 0.00020 0.0010 0.0050 Run: ICPMS4 -C 110520A Run: ICPMS4 -C 110610A Sample ID: LCS3 -29904 2 Laboratory Control Sample Run: ICPMS4- C_11061OA 06/10/11 21:11 Chromium 0.480 mg /L 0.050 96 85 115 Zinc 0.489 mg /L 0.010 97 85 115 Sample ID: C11050640- 003DMS3 2 Sample Matrix Spike Run: ICPMS4- C_11061 OA 06/10/11 21:59 Chromium 0.485 mg /L 0.050 97 70 130 Zinc 0.468 mg /L 0.010 93 70 130 Sample ID: C11050640- 003DMSD 2 Sample Matrix Spike Duplicate Run: ICPMS4- C_110610A 06/10/11 22:06 Chromium 0.491 mg /L 0.050 98 70 130 1.2 20 Zinc 0.473 mg /L 0.010 94 70 130 1.0 20 ND - Not detected at the reporting limit. S - Spike recovery outside of advisory limits. Report Date: 06/20/11 Work Order: C11050640 Page 20 of 38 Batch: 29904 05/20/11 15:55 Batch: 29904 06/10/11 21:04