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www.mw&ab.com I Helena, MT 871-472 -0711 • Billings, MT 800 - 135-489 • Casper, WY 888- 235 -6513 <br />Aaal�"EwaN =9= X152 1 Gillette, WY 866 -606 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Revised Date: 06/18/13 <br />Client: Cotter Corporation <br />Report Date: 06/13/13 <br />Project: Schwartz 5/16/13 S26979 Work Order: C13050681 <br />Analyte <br />Count Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD RPDLimit Qual <br />Method: E200.7 <br />Aluminum <br />2.13 mg /L <br />0.030 <br />104 <br />Batch: R174338 <br />Sample ID: LFB- 130603A <br />8 Laboratory Fortified Blank <br />Calcium <br />Run: ICP4- C_130603A 06/03/13 13:32 <br />Manganese <br />0.928 mg /L <br />0.010 <br />93 <br />85 <br />115 <br />Potassium <br />46.3 mg /L <br />0.50 <br />93 <br />85 <br />115 <br />Sodium <br />46.8 mg /L <br />0.50 <br />94 <br />85 <br />115 <br />Zinc <br />0.931 mg /L <br />0.010 <br />93 <br />85 <br />115 <br />Sample ID: C13050695- 005CMS2 <br />8 Sample Matrix Spike <br />Run: ICP4- C_130603A <br />06/03/13 21:01 <br />Aluminum <br />2.13 mg /L <br />0.030 <br />104 <br />70 <br />130 <br />Calcium <br />112 mg /L <br />1.0 <br />100 <br />70 <br />130 <br />Iron <br />2.34 mg /L <br />0.030 <br />103 <br />70 <br />130 <br />Magnesium <br />106 mg /L <br />1.0 <br />101 <br />70 <br />130 <br />Manganese <br />2.09 mg /L <br />0.0020 <br />99 <br />70 <br />130 <br />Potassium <br />119 mg /L <br />1.0 <br />107 <br />70 <br />130 <br />Sodium <br />435 mg /L <br />1.0 <br />96 <br />70 <br />130 <br />Zinc <br />1.98 mg /L <br />0.010 <br />96 <br />70 <br />130 <br />Sample ID: 013050695- 005CMSD2 <br />8 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130603A <br />06/03/13 21:04 <br />Aluminum <br />2.07 mg /L <br />0.030 <br />102 <br />70 <br />130 <br />2.5 <br />20 <br />Calcium <br />111 mg /L <br />1.0 <br />99 <br />70 <br />130 <br />0.8 <br />20 <br />Iron <br />2.31 mg /L <br />0.030 <br />101 <br />70 <br />130 <br />1.5 <br />20 <br />Magnesium <br />105 mg /L <br />1.0 <br />101 <br />70 <br />130 <br />0.4 <br />20 <br />Manganese <br />2.07 mg /L <br />0.0020 <br />98 <br />70 <br />130 <br />0.8 <br />20 <br />Potassium <br />117 mg /L <br />1.0 <br />104 <br />70 <br />130 <br />2.0 <br />20 <br />Sodium <br />430 mg /L <br />1.0 <br />91 <br />70 <br />130 <br />1.1 <br />20 <br />Zinc <br />1.95 mg /L <br />0.010 <br />95 <br />70 <br />130 <br />1.3 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 11 of 25 <br />