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• www.erx oab.com Helena, Mf 877472 -0711 • Billings, MT 800- 735 -4489 + Casper, WY 888 - 235 -0515 <br />A tlal Fircv�a Sadru flit Gillette, WY 866406 -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 <br />Report Date: <br />10/24/13 <br />Project: Schwartz GW 9/25/13 S27178 & S27179 <br />Work Order: <br />C13091022 <br />Analyte <br />Count Result Units <br />RL <br />0/J9EC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E365.1 <br />Analytical Run: SUB- B212784 <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />10/04/13 10:02 <br />Phosphorus, Total as P <br />0.248 mg /L <br />0.0050 <br />99 <br />90 <br />110 <br />Method: E365.1 <br />Batch: B_74879 <br />Sample ID: MB -74879 <br />Method Blank <br />Run: SUB- B212784 <br />10/04/13 10:28 <br />Phosphorus, Total as P <br />ND mg /L <br />0.004 <br />Sample ID: LCS -74879 <br />Laboratory Control Sample <br />Run: SUB- B212784 <br />10/04/13 10:29 <br />Phosphorus, Total as P <br />0.192 mg /L <br />0.0050 <br />96 <br />90 <br />110 <br />Sample ID: B13091775- 002DMS <br />Sample Matrix Spike <br />Run: SUB- B212784 <br />10/04/13 10:40 <br />Phosphorus, Total as P <br />0.200 mg /L <br />0.0050 <br />98 <br />90 <br />110 <br />Sample ID: 813091775- 002DMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B212784 <br />10/04/13 10.41 <br />Phosphorus, Total as P <br />0.203 mg /L <br />0.0050 <br />99 <br />90 <br />110 1.5 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 19 of 26 <br />