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www.eriefgylab.com Helena, MT 877 -472 -0711 + Billings, MT 600 - 735 -4469 • Casper, WY 886- 235 -6515 <br />Ewaft 'Ske' IM Gillette, WY 866 -666 -7175 • Rapid City, SO 888 - 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: 07/05/13 <br />Project: Schwartz GW 06/12/13 S27034 Work Order: C13060505 <br />FAnalyte Count Result Units RL ° /oREC Low Limit High Limit RPD RPDLimit Quay <br />Method: E365.1 Analytical Run: SUB- B206680 <br />Sample ID: ICV Initial Calibration Verification Standard 06/19/13 14:22 <br />Phosphorus, Total as P 0.241 mg /L 0.0050 96 90 110 <br />Method: E365.1 <br />Batch: B72174 <br />Sample ID: MB -72174 <br />Method Blank <br />Run- SUB- B206680 <br />06/19/13 15:13 <br />Phosphorus, Total as P <br />0 004 mg /L <br />0.004 <br />Sample ID: LCS -72174 <br />Laboratory Control Sample <br />Run: SUB- B206680 <br />06/19/13 15:14 <br />Phosphorus, Total as P <br />0.186 mg /L <br />0.0050 <br />91 90 110 <br />Sample ID: B13061453- 003CMS <br />Sample Matrix Spike <br />Run: SUB- B206680 <br />06/19/13 15:27 <br />Phosphorus, Total as P <br />0.262 mg /L <br />00050 <br />100 90 110 <br />Sample ID: 813061453- 003CMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B206680 <br />06/19/13 15:28 <br />Phosphorus, Total as P <br />0.263 mg /L <br />0.0050 <br />101 90 110 <br />0.4 10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 16 of 21 <br />