2014-11-26_HYDROLOGY - M1977300 (2)

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---- - - - - -- - -- - - - - - -- • - www.emdab.com Helena, MT 87T- 472 -0711 • Billings, W 800 -735 -4488 • Casper, WY 888- 235 -0515 flat Gillette, WY 866 - 666 -7175 • Rapid City, SD 868 -672 -1225 • College Station, TX 888 -680 -2218 QA /QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Project: Schwartz -GW 09/04/14 S27679 Analyte Count Result Units Method: E200.7 Report Date: 09/30/14 Work Order: C14090400 RL %REC Low Limit High Limit RPD RPDLimit Qual Analytical Run: ICP2- C_140917A Lab ID: ICV 4 Initial Calibration Verification Standard Run: ICP2- C_140917A Method: 09/17/14 11:43 Aluminum 5.01 mg /L 0.10 100 95 105 Iron 5.04 mg /L 0.030 101 95 105 Manganese 4.97 mg /L 0.010 99 95 105 Zinc 1.00 mg /L 0.010 100 95 105 Lab ID: ICSA 4 Interference Check Sample A 2.56 mg /L Zinc 09/17/14 12:11 Aluminum 508 mg /L 0.10 102 80 120 Iron 185 mg /L 0.030 93 80 120 Manganese - 0.00200 mg /L 0.010 0.69 mg /L Lab ID: C14090454- 001CMSD Zinc - 0.0102 mg /L 0.010 2.6 mg /L Iron Lab ID: ICSAB 4 Interference Check Sample AB 2.6 mg /L Zinc 09/17/14 12:15 Aluminum 507 mg /L 0.10 101 80 120 Iron 185 mg /L 0.030 92 80 120 Manganese 0.492 mg /L 0.010 98 80 120 Zinc 1.00 mg /L 0.010 100 80 120 Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. Run: ICP2 -C 140917A 0.01 0.005 0.0003 0.002 Run: ICP2- C_140917A Method: E200.7 85 115 Lab ID: MB -42613 4 Method Blank Aluminum 103 ND mg /L Iron 104 ND mg /L Manganese ND mg /L Zinc 131 ND mg /L Lab ID: LCS3 -42613 4 Laboratory Control Sample Aluminum 128 2.62 mg /L Iron 131 2.55 mg /L Manganese 2.56 mg /L Zinc 105 0.518 mg /L Lab ID: C14090454- 001CMS3 4 Sample Matrix Spike Aluminum 102 3.3 mg /L Iron 105 3.2 mg /L Manganese 3.2 mg /L Zinc 0.69 mg /L Lab ID: C14090454- 001CMSD 4 Sample Matrix Spike Duplicate Aluminum 2.6 mg /L Iron 2.6 mg /L Manganese 2.6 mg /L Zinc 0.56 mg /L Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. Run: ICP2 -C 140917A 0.01 0.005 0.0003 0.002 ND - Not detected at the reporting limit. R - RPD exceeds advisory limit. 21 21 22 21 Batch: 42613 09/17/14 17:58 09/17/14 18:02 09/17/14 18:22 S S 09/17/14 18:26 20 R 20 R 20 R 20 R Page 7 of 21 Run: ICP2- C_140917A 0.030 105 85 115 0.030 102 85 115 0.0010 103 85 115 0.010 104 85 115 Run: ICP2- C_140917A 0.030 131 70 130 0.030 128 70 130 0.0010 128 70 130 0.010 131 70 130 Run: ICP2- C_140917A 0.030 105 70 130 0.030 104 70 130 0.0010 102 70 130 0.010 105 70 130 ND - Not detected at the reporting limit. R - RPD exceeds advisory limit. 21 21 22 21 Batch: 42613 09/17/14 17:58 09/17/14 18:02 09/17/14 18:22 S S 09/17/14 18:26 20 R 20 R 20 R 20 R Page 7 of 21