2013-11-26_HYDROLOGY - M1977300 (4)

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www.eiweab.com Helena, MT 871 472 -0711 • Billings, MT 608- 735 -4489 • Casper, WY 888 - 235 -8515 Aaa0*E=Aaaw9=lW Gillette, WY 866 -868 -7175 • Rapid City, SO 886 -672 -1225 • College Station, TX 888 -690 -2218 QA /QC Summary Report Prepared by Casper, WY Branch Client: Cotter Corporation Report Date: 10/18/13 Project: Schwartz GW 9/24/13 S27176 & S27177 Work Order: C13090929 Analyte Count Result Units RL ° /GREC Low Limit High Limit RPD RPDLimit Qual Method: E300.0 Analytical Run: IC2- C_131002A Sample ID: CCV- 093013 -06 2 Continuing Calibration Verification Standard 9.52 mg /L 10/01/13 16:59 Chloride 9.97 mg /L 1.0 100 90 110 C13090929 -001 BMS Sulfate 39.8 mg /L 1.0 99 90 110 78.3 mg /L Method: E300.0 Sample ID: ICB- 093013 2 Method Blank Chloride 09/30/13 18:52 ND mg /L Sulfate 0.1 mg /L Sample ID: LFB- 093013 -01 2 Laboratory Fortified Blank Chloride 9.52 mg /L Sulfate 09/30/13 19:11 37.9 mg /L Sample ID: C13090929 -001 BMS 2 Sample Matrix Spike Chloride 94 78.3 mg /L Sulfate 904 mg /L - Matrix spike recoveries outside the acceptance range are considered matrix - related. Sample ID: C13090929 -001 BMSD 2 Sample Matrix Spike Duplicate Chloride 42 79.0 mg /L Sulfate S 910 mg /L - Matrix spike recoveries outside the acceptance range are considered matrix- related Qualifiers: RL - Analyte reporting limit. MDC - Minimum detectable concentration Run- IC2- C_131002A 10/01/13 18:13 1.0 106 90 110 1.0 20 4.2 113 90 110 0.6 20 S ND - Not detected at the reporting limit. S - Spike recovery outside of advisory limits. Page 15 of 23 Batch: R179012 Run. IC2- C_131002A 09/30/13 18:52 0.03 0.07 Run: IC2- C_131002A 09/30/13 19:11 1.0 95 90 110 1.0 94 90 110 Run: IC2- C_131002A 10/01/13 17:54 1.0 105 90 110 42 111 90 110 S Run- IC2- C_131002A 10/01/13 18:13 1.0 106 90 110 1.0 20 4.2 113 90 110 0.6 20 S ND - Not detected at the reporting limit. S - Spike recovery outside of advisory limits. Page 15 of 23