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• - www.e wm4ab.COM t Helena, MT 677- 472 -0711 - Billings, MT 808 -135 -4489 a Casper, WY 868- 235 -6515 <br />tst�s J Gillette, WY 866 -686 -7175 - Rapid City, SD 888- 672 -1225 a College Station, TX 888 -608 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 06/21/13 <br />Project: Schwartz SW 5/22/13 S26996 Work Order: C13050909 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 <br />7 <br />Interference Check Sample A <br />Analytical Run. ICP4- C_130611A <br />Sample ID: ICV <br />7 Initial Calibration Verification Standard <br />491 mg /L <br />0.10 <br />06/11/13 12:10 <br />Aluminum <br />4.97 <br />mg /L <br />0.10 <br />99 <br />95 <br />105 <br />Boron <br />1.02 <br />mg /L <br />0.10 <br />102 <br />95 <br />105 <br />Iron <br />4.90 <br />mg /L <br />0.030 <br />98 <br />95 <br />105 <br />Manganese <br />4.89 <br />mg /L <br />0.010 <br />98 <br />95 <br />105 <br />Molybdenum <br />0.984 <br />mg /L <br />0.10 <br />98 <br />95 <br />105 <br />Potassium <br />47.3 <br />mg /L <br />0.50 <br />95 <br />95 <br />105 <br />Zinc <br />0.981 <br />mg /L <br />0.010 <br />98 <br />95 <br />105 <br />Sample ID: ICSA <br />7 <br />Interference Check Sample A <br />06/11/13 12:24 <br />Aluminum <br />491 mg /L <br />0.10 <br />98 <br />80 120 <br />Boron <br />0.0110 mg /L <br />0.10 <br />Iron <br />176 mg /L <br />0.030 <br />88 <br />80 120 <br />Manganese <br />- 0.0184 mg /L <br />0.010 <br />Molybdenum <br />0.00254 mg /L <br />0.10 <br />Potassium <br />0.0309 mg /L <br />0.50 <br />Zinc <br />0.0191 mg /L <br />0.010 <br />Sample ID: ICSAB <br />7 <br />Interference Check Sample AB <br />06/11/13 12:28 <br />Aluminum <br />484 mg /L <br />0.10 <br />97 <br />80 120 <br />Boron <br />0.0110 mg /L <br />0.10 <br />Iron <br />175 mg /L <br />0.030 <br />88 <br />80 120 <br />Manganese <br />0.438 mg /L <br />0.010 <br />88 <br />80 120 <br />Molybdenum <br />0.00803 mg /L <br />0.10 <br />Potassium <br />0.0426 mg /L <br />0.50 <br />Zinc <br />0.860 mg /L <br />0.010 <br />86 <br />80 120 <br />Method: E200.7 <br />Batch: 37652 <br />Sample ID: MB -37652 <br />6 <br />Method Blank <br />Run: ICP4- C_130611A <br />06/11/13 18:39 <br />Aluminum <br />0.03 mg /L <br />0.01 <br />Boron <br />0.004 mg /L <br />0.003 <br />Iron <br />0.004 mg /L <br />0.004 <br />Manganese <br />ND mg /L <br />0.0002 <br />Molybdenum <br />ND mg /L <br />0.003 <br />Zinc <br />0 001 mg /L <br />0.001 <br />Sample ID: LCS3 -37652 <br />6 <br />Laboratory Control Sample <br />Run: ICP4- C_130611A <br />06/11/13 18:42 <br />Aluminum <br />278 mg /L <br />0.030 <br />110 <br />85 115 <br />Boron <br />0.511 mg /L <br />0.050 <br />101 <br />85 115 <br />Iron <br />2.64 mg /L <br />0.030 <br />106 <br />85 115 <br />Manganese <br />2.53 mg /L <br />0.0010 <br />101 <br />85 115 <br />Molybdenum <br />0.517 mg /L <br />0.0028 <br />103 <br />85 115 <br />Zinc <br />0.500 mg /L <br />0.010 <br />100 <br />85 115 <br />Sample lD: C13050907- 001DMS3 <br />6 <br />Sample Matrix Spike <br />Run: ICP4- C_130611A <br />06/11/13 19:15 <br />Aluminum <br />3.06 mg /L <br />0.030 <br />107 <br />70 130 <br />Boron <br />0.525 mg /L <br />0.050 <br />102 <br />70 130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 11 of 26 <br />