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• - www.er-erziab.com Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888- 235 -0515 <br />A=19v 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 />Report Date: <br />12/29/14 <br />Project: Schwartz -SW 12/1/14 <br />S27813 and S27815 <br />Work Order: <br />C14120088 <br />Analyte Count Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Batch: R193994 <br />Lab ID: 014120064- OO6BMS2 <br />7 <br />Sample Matrix Spike <br />Run: ICP4- C_141203A <br />12/03/14 16:31 <br />Aluminum <br />1.86 mg /L <br />0.030 <br />90 <br />70 <br />130 <br />Calcium <br />220 mg /L <br />1.0 <br />91 <br />70 <br />130 <br />Iron <br />1.90 mg /L <br />0.030 <br />93 <br />70 <br />130 <br />Magnesium <br />149 mg /L <br />1.0 <br />93 <br />70 <br />130 <br />Manganese <br />1.83 mg /L <br />0.0031 <br />90 <br />70 <br />130 <br />Potassium <br />97.2 mg /L <br />1.0 <br />89 <br />70 <br />130 <br />Sodium <br />133 mg /L <br />1.0 <br />93 <br />70 <br />130 <br />Lab ID: C14120064- 006BMSD <br />7 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_141203A <br />12/03/14 17:11 <br />Aluminum <br />1.97 mg /L <br />0.030 <br />95 <br />70 <br />130 <br />5.9 <br />20 <br />Calcium <br />224 mg /L <br />1.0 <br />95 <br />70 <br />130 <br />1.8 <br />20 <br />Iron <br />1.94 mg /L <br />0.030 <br />95 <br />70 <br />130 <br />2.0 <br />20 <br />Magnesium <br />149 mg /L <br />1.0 <br />93 <br />70 <br />130 <br />0.1 <br />20 <br />Manganese <br />1.89 mg /L <br />0.0031 <br />92 <br />70 <br />130 <br />3.0 <br />20 <br />Potassium <br />107 mg /L <br />1.0 <br />99 <br />70 <br />130 <br />9.8 <br />20 <br />Sodium <br />137 mg /L <br />1.0 <br />97 <br />70 <br />130 <br />3.1 <br />20 <br />Method: E200.7 <br />Analytical Run: ICP4- C_141205B <br />Lab ID: ICV <br />2 <br />Initial Calibration Verification Standard <br />12/05/14 12:43 <br />Boron <br />0.988 mg /L <br />0.050 <br />99 <br />95 <br />105 <br />Iron <br />5.03 mg /L <br />0.030 <br />101 <br />95 <br />105 <br />Lab ID: ICSA <br />2 <br />Interference Check Sample A <br />12/05/14 12:58 <br />Boron <br />0.0153 mg /L <br />0.050 <br />Iron <br />178 mg /L <br />0.030 <br />89 <br />80 <br />120 <br />Lab ID: ICSAB <br />2 <br />Interference Check Sample AB <br />12/05/14 13:02 <br />Boron <br />0.00966 mg /L <br />0.050 <br />Iron <br />180 mg /L <br />0.030 <br />90 <br />80 <br />120 <br />Method: E200.7 <br />Batch: 43371 <br />Lab ID: MB -43371 <br />2 <br />Method Blank <br />Run: ICP4- C_141205B <br />12/05/14 22:50 <br />Boron <br />0.01 mg /L <br />0.007 <br />Iron <br />0.005 mg /L <br />0.005 <br />Lab ID: LCS3 -43371 <br />2 <br />Laboratory Control Sample <br />Run: ICP4- C_141205B <br />12/05/14 22:53 <br />Boron <br />0.525 mg /L <br />0.050 <br />102 <br />85 <br />115 <br />Iron <br />2.67 mg /L <br />0.030 <br />107 <br />85 <br />115 <br />Lab ID: 014120088- 002CMS3 <br />2 <br />Sample Matrix Spike <br />Run: ICP4- C_141205B <br />12/05/14 23:28 <br />Boron <br />0.531 mg /L <br />0.050 <br />102 <br />70 <br />130 <br />Iron <br />2.81 mg /L <br />0.030 <br />105 <br />70 <br />130 <br />Lab ID: C14120088- 002CMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_141205B <br />12/05/14 23:32 <br />Boron <br />0.532 mg /L <br />0.050 <br />102 <br />70 <br />130 <br />0.2 <br />20 <br />Iron <br />2.80 mg /L <br />0.030 <br />104 <br />70 <br />130 <br />0.6 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 10 of 25 <br />