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wwwerrergylab.CWn Helena, W U7472 -0711 • Billings, W 888 - 7354469 • Casper, WY 888 -235 -8515 <br />"a M'tiv f Gillette, wy 866 -686 -7175 • Rapid City, SO 886 - 672 -1225 • College Station, TX 888 - 698 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/14/13 <br />Project: Schwartz GW 9/19/13 S27162 Work Order: 013090821 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E365.1 Analytical Run: SUB- B212402 <br />Sample ID: ICV Initial Calibration Verification Standard 09/27/13 09:31 <br />Phosphorus, Total as P 0.248 mg /L 0.0050 <br />99 90 110 <br />Method: E365.1 <br />Sample ID: MB -74704 <br />Method Blank <br />Run: SUB- B212402 <br />Phosphorus, Total as P <br />ND mg /L <br />0.004 <br />Sample ID: LCS -74704 <br />Laboratory Control Sample <br />Run: SUB- B212402 <br />Phosphorus, Total as P <br />0.202 mg /L <br />0.0050 <br />101 90 110 <br />Sample ID: B13092089- 002CMS <br />Sample Matrix Spike <br />Run: SUB- B212402 <br />Phosphorus, Total as P <br />0.268 mg /L <br />0.0050 <br />104 90 110 <br />Sample ID: B13092089- 002CMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B212402 <br />Phosphorus, Total as P <br />0.272 mg /L <br />0.0050 <br />106 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Batch: B74704 <br />09/27/13 11:32 <br />09/27/13 11:33 <br />09/27/13 11:46 <br />09/27/13 11:47 <br />1.5 10 <br />Page 16 of 21 <br />