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www.enerdab.com Helena, W 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 - 235 -0515 <br />'iu"M 1°C1 M- 1932 f Gillette, WY 866 -666 -7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 9/10/14 S27680,S27681 <br />Analyte Count Result Units <br />Method: E365.1 <br />Lab ID: ICV Initial Calibration Verification Standard <br />Phosphorus, Total as P 0.455 mg /L 0.0050 102 <br />Report Date: 09/30/14 <br />Work Order: 014090456 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E365.1 <br />Lab ID: MB -82950 <br />Method Blank <br />Phosphorus, Total as P <br />ND mg /L <br />0.005 <br />Lab ID: LCS -82950 <br />Laboratory Control Sample <br />Phosphorus, Total as P <br />0.179 mg /L <br />0.0050 <br />Lab ID: B14091185- 015BMS <br />Sample Matrix Spike <br />Phosphorus, Total as P <br />0.186 mg /L <br />0.0050 <br />Lab ID: B14091185- 015BMSD <br />Sample Matrix Spike Duplicate <br />Phosphorus, Total as P <br />0.191 mg /L <br />0.0050 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />90 110 <br />Run: SUB- B230599 <br />Run: SUB - 6230599 <br />90 90 110 <br />Run: SUB - 6230599 <br />93 90 110 <br />Run: SUB - 13230599 <br />96 90 110 <br />ND - Not detected at the reporting limit. <br />Analytical Run: SU13- 6230599 <br />09/16/14 13:08 <br />Batch: B 82950 <br />09/16/14 13:42 <br />09/16/14 13:43 <br />09/16/14 14:04 <br />09/16/14 14:05 <br />2.7 10 <br />Page 18 of 25 <br />