2011-02-04_HYDROLOGY - M1977300 - Laserfiche WebLink

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? wwor.energylab.com Helena, MT 877-472-0711 ? Billings, MT 800-735-4469 • Casper, wy 888-235-0515 Anzlpdez/fxczlrenco Since 1952 Gillette, wy 866-6867175 * Rapid City, SO 888.672-1225 - College Station, TX 888-690-2218 QA/QC Summary Report Client: Cotter Corporation Report Date: 12/09/10 Project: Schwartzwalder Water Sampling Program-Ground Water Work Order: C10110027 Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual Batch: 28241 Method: E200.8 Sample ID: MB-28241 9 Method Blank Run: ICPMS2-C_101119A 11/19/10 23:42 Aluminum ND mg/L 0.01 Antimony ND mg/L 0.0002 Arsenic 0.001 mg/L 0.0003 Copper 0.0010 mg/L 0.0005 Lead ND mg/L 5E-05 Manganese 0.0001 mg/L 9E-05 Silver ND mg/L 3E-05 Thallium ND mg/L 5E-05 Zinc ND mg/L 0.001 Sample ID: LCS3-28241 9 Laboratory Control Sample Run: ICPMS2-C_101119A 11/19/10 23:49 Aluminum 2.53 mg/L 0.10 101 85 115 Antimony 0.581 mg/L 0.050 116 85 115 S Arsenic 0.576 mg/L 0.0010 115 85 115 Copper 0.538 mg/L 0.010 107 85 115 Lead 0.546 mg/L 0.050 109 85 115 Manganese 2.59 mg/L 0.010 104 85 115 Silver 0.0545 mg/L 0.010 109 85 115 Thallium 0.524 mg/L 0.10 105 85 115 Zinc 0.495 mg/L 0.010 99 85 115 . Antimony response is above standard QA limit. This could indicate a high bias for the sample results. Since there were no detectable ana lyte respon ses. and the remainde of the run QA is within acceptance range, this batch is approved. Sample ID: C10110593-001AMS3 9 Sample Matrix S pike Run: ICPMS2-C_101119A 11/20/10 01:23 Aluminum 2.63 mg/L 0.10 105 70 130 Antimony 0.616 mg/L 0.050 123 70 130 Arsenic 0.601 mg/L 0.0010 119 70 130 Copper 0.676 mg/L 0.010 112 70 130 Lead 0.583 mg/L 0.050 115 70 130 Manganese 2.68 mg/L 0.010 107 70 130 Silver 0.0567 mg/L 0.010 113 70 130 Thallium 0.547 mg/L 0.10 109 70 130 Zinc 0.727 mg/L 0.010 106 70 130 Sample ID: 010110593-001AMSD 9 Sample Matrix Spike Duplicate Run: ICPMS2-C_101119A 11/20/10 01:29 Aluminum 2.52 mg/L 0.10 100 70 130 4.0 20 Antimony 0.593 mg/L 0.050 119 70 130 3.8 20 Arsenic 0.575 mg/L 0.0010 114 70 130 4.4 20 Copper 0.651 mg/L 0.010 107 70 130 3.9 20 Lead 0.557 mg/L 0.050 110 70 130 4.5 20 Manganese 2.59 mg/L 0.010 103 70 130 3.7 20 Silver 0.0541 mg/L 0.010 108 70 130 4.7 20 Thallium 0.530 mg/L 0.10 106 70 130 3.3 20 Zinc 0.702 mg/L 0.010 101 70 130 3.5 20 Qualifiers: RL - Analyte reporting limit. MDC - Minimum delectable concentration ND - Not detected at the reporting limit. S - Spike recovery outside of advisory limits. Page 11 of 26