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www.ewgylab.com Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />AesrylfealEwa% ar Sma IM , Gillette, WY 866 -666 -7175 • Rapid City, S© 886- 672 -1225 • College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/03/14 <br />Project: Schwartz GW 12/23/13 S27306 Work Order: C13120854 <br />Analyte Count Result Units RL ° /aREC Low Limit High Limit RPD RPDLimit Qual <br />Method: E365.1 <br />Analytical Run: SUB- B217255 <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />01/02/14 10:10 <br />Phosphorus, Total as P <br />0.249 mg /L <br />0.0050 <br />100 <br />90 <br />110 <br />Method: E365.1 <br />Batch: B_76821 <br />Sample ID: MB -76821 <br />Method Blank <br />Run: SUB - 8217255 <br />01/02/14 10:11 <br />Phosphorus, Total as P <br />ND mg /L <br />0.004 <br />Sample ID: LCS -76821 <br />Laboratory Control Sample <br />Run: SUB - 8217255 <br />01/02/14 10:12 <br />Phosphorus, Total as P <br />0.201 mg /L <br />0.0050 <br />100 <br />90 <br />110 <br />Sample ID: B13121978- 003BMS <br />Sample Matrix Spike <br />Run: SUB- B217255 <br />01/02/14 10:18 <br />Phosphorus, Total as P <br />2.17 mg /L <br />0.010 <br />89 <br />90 <br />110 <br />S <br />Sample ID: B13121978 -003BMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B217255 <br />01/02/14 10:19 <br />Phosphorus, Total as P <br />2.20 mg /L <br />0.010 <br />97 <br />90 <br />110 <br />1.5 10 <br />Method: E365.1 <br />Sample ID: MB -77156 <br />Phosphorus, Total as P <br />Sample ID: LCS -77156 <br />Phosphorus, Total as P <br />Sample ID: 814010780 -001AMS <br />Phosphorus, Total as P <br />Sample ID: B14010780- 001AMSD <br />Phosphorus, Total as P <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Method Blank <br />ND mg /L <br />Laboratory Control Sample <br />0.216 mg /L <br />Sample Matrix Spike <br />6.51 mg /L <br />Sample Matrix Spike Duplicate <br />6.50 mg /L <br />Batch: B 77156 <br />Run: SUB- B218101 01/20/14 13:18 <br />0.004 <br />Run: SUB- B218101 01/20/14 13:19 <br />0.0050 108 90 110 <br />Run: SUB- B218101 01/20/14 13:47 <br />0.050 95 90 110 <br />Run: SUB- B218101 01/20/14 13:48 <br />0.050 95 90 110 0.2 10 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 22 of 31 <br />