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www.ewgyiab.com ( Helena, MT 677472 -0711 • Billings, MT 800 - 7354189 • Casper, WY 888- 235 -0515 <br />' Shm IM JI Gillette, WY 866 -686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 -696 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 09/30/14 <br />Project: Schwartz -GW 09/04/14 S27679 Work Order: 014090400 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E365.1 Analytical Run: SUB- B230518 <br />Lab ID: ICV Initial Calibration Verification Standard 09/15/14 09:59 <br />Phosphorus, Total as P 0.454 mg /L 0.0050 101 90 110 <br />Method: E365.1 <br />Lab ID: MB -82913 <br />Method Blank <br />Run: SUB- B230518 <br />Phosphorus, Total as P <br />ND mg /L <br />0.005 <br />Lab ID: LCS -82913 <br />Laboratory Control Sample <br />Run: SUB- B230518 <br />Phosphorus, Total as P <br />0.195 mg /L <br />0.0050 <br />98 90 110 <br />Lab ID: B14091163- 003CMS <br />Sample Matrix Spike <br />Run: SUB- B230518 <br />Phosphorus, Total as P <br />0.191 mg /L <br />0.0050 <br />92 90 110 <br />Lab ID: B14091163- 003CMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B230518 <br />Phosphorus, Total as P <br />0.194 mg /L <br />0.0050 <br />94 90 110 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />1.6 <br />Batch: B 82913 <br />09/15/14 15:26 <br />09/15/14 15:27 <br />09/15/14 15:55 <br />09/15/14 15:56 <br />10 <br />Page 16 of 21 <br />