2011-04-05_HYDROLOGY - M1977300 (2)

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ago www raroab.com Anb"ftatYraxw 1w na, MP877-472-0711 • Billings, MT 808-735-4489 • Casper, WY 888-235-0515 SAP-7175 •_ Rapid CO, SD 888472-1225 • College Station, TX 888.888-2218 QA/QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Project: Schwartz SW 02-10-11 S25580-S25582 Analyte Method: E200.8 Sample ID: MB-29109 Aluminum Antimony Arsenic Chromium Copper Lead Manganese Molybdenum Silver Thallium Uranium Zinc Report Date: 03/15/11 Work Order: C11020376 Count Result Units RL %REC Low Limit High Limit 12 Method Blank Run: ICPMS2-C_110224A ND mg/L 0.01 ND mg/L 0.0002 ND mg/L 0.0003 0.003 mg/L 0.0002 0.0006 mg/L 0.0005 6E-05 mg/L 5E-05 0.002 mg/L 9E-05 ND mg/L 0.0001 ND mg/L 3E-05 ND mg/L 5E-05 ND mg/L 4E-05 0.001 mg/L 0.001 RPD RPDLimit Qual Batch: 29109 02/24/11 18:17 Sample ID: LCS3-29109 12 Laboratory Control Sample Run: ICPMS2-C_110224A 02/24/11 18:24 Aluminum 2.64 mg/L 0.10 106 85 115 Antimony 0.580 mg/L 0.050 116 85 115 S Arsenic 0.543 mg/L 0.0010 109 85 115 Chromium 0.507 mg/L 0.050 101 85 115 Copper 0.531 mg/L 0.010 106 85 115 Lead 0.559 mg/L 0.050 112 85 115 Manganese 2.52 mg/L 0.010 101 85 115 Molybdenum 0.565 mg/L 0.10 113 85 115 Silver 0.0503 mg/L 0.010 101 85 115 Thallium 0.544 mg/L 0.10 109 85 115 Uranium 0.560 mg/L 0.00030 112 85 115 Zinc 0.523 mg/L 0.010 104 85 115 - Response is above standard QA limit. This could indicate a high bias for the sam ple 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: C1 1020589-001 CMS3 12 Sample Matrix Spike Run: ICPMS2-C_110224A 02/24/11 19:59 Aluminum 6.50 mg/L 0.10 97 70 130 Antimony 0.577 mg/L 0.050 115 70 130 Arsenic 0.546 mg/L 0.0010 107 70 130 Chromium 0.490 mg/L 0.050 97 70 130 Copper 0.502 mg/L 0.010 99 70 130 Lead 0.549 mg/L 0.050 110 70 130 Manganese 2.41 mg/L 0.010 94 70 130 Molybdenum 0.569 mg/L 0.10 112 70 130 Silver 0.0485 mg/L 0.010 97 70 130 Thallium 0.530 mg/L 0.10 106 70 130 Uranium 0.588 mg/L 0.00030 113 70 130 Zinc 0.500 mg/L 0.010 98 70 130 Sample ID: C1 1020589-001 CMSD 12 Sample Matrix Spike Duplicate Run: ICPMS2-C_110224A 02/24/11 20:05 Aluminum 6.78 mg/L 0.10 109 70 130 4.4 20 Antimony 0.596 mg/L 0.050 119 70 130 3.2 20 Qualifiers: RL - Analyte reporting limit. ND - Not detected at the reporting limit. MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. Page 14 of 29