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www.wwdab.com <br />Helena, MT 877- 472 -0711 • Billings, UT 800 - 735 -4489 • Casper, WY 888- 235 -0515 <br />F <br />AntAkatEMMMOR-1932 <br />Gillette, <br />WY 866 -686 <br />-7175 • <br />Rapid City, So <br />888 -672 -1225 • College Station, <br />TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />06/27/13 <br />Project: Schwartz SW 5/21/13 S26991 - S26995 <br />Work Order: <br />C13050860 <br />Analyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Analytical Run: <br />ICP4- C_130607A <br />Sample ID: ICV <br />5 Initial Calibration <br />Verification Standard <br />06/07/13 12:42 <br />Calcium <br />50.5 <br />mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Iron <br />5.11 <br />mg /L <br />0.030 <br />102 <br />95 <br />105 <br />Magnesium <br />50.2 <br />mg /L <br />0.50 <br />100 <br />95 <br />105 <br />Potassium <br />51.1 <br />mg /L <br />0.50 <br />102 <br />95 <br />105 <br />Sodium <br />51.9 <br />mg /L <br />0.50 <br />104 <br />95 <br />105 <br />Sample ID: ICSA <br />5 Interference Check Sample A <br />06/07/13 12:57 <br />Calcium <br />473 <br />mg /L <br />0.50 <br />95 <br />80 <br />120 <br />Iron <br />183 <br />mg /L <br />0.030 <br />91 <br />80 <br />120 <br />Magnesium <br />506 <br />mg /L <br />0.50 <br />101 <br />80 <br />120 <br />Potassium <br />0.0175 <br />mg /L <br />0.50 <br />Sodium <br />- 0.0181 <br />mg /L <br />0.50 <br />Sample ID: ICSAB <br />5 Interference Check Sample AB <br />06/07/13 13:01 <br />Calcium <br />473 <br />mg /L <br />0.50 <br />95 <br />80 <br />120 <br />Iron <br />183 <br />mg /L <br />0.030 <br />91 <br />80 <br />120 <br />Magnesium <br />509 <br />mg /L <br />0.50 <br />102 <br />80 <br />120 <br />Potassium <br />0.0353 <br />mg /L <br />0.50 <br />Sodium <br />- 0.0872 <br />mg /L <br />0.50 <br />Method: E200.7 <br />Batch• R174557 <br />Sample ID: MB- 130607A <br />5 Method Blank <br />Run: ICP4- C_130607A <br />06/07/13 13:20 <br />Calcium <br />ND <br />mg /L <br />0.02 <br />Iron <br />ND <br />mg /L <br />0.002 <br />Magnesium <br />0.03 <br />mg /L <br />0.01 <br />Potassium <br />0.04 <br />mg /L <br />0.04 <br />Sodium <br />ND <br />mg /L <br />0.2 <br />Sample ID: LFB- 130607A <br />5 Laboratory Fortified <br />Blank <br />Run: ICP4- C_130607A <br />06/07/13 13:23 <br />Calcium <br />49.6 <br />mg /L <br />0.50 <br />99 <br />85 <br />115 <br />Iron <br />0.990 <br />mg /L <br />0.030 <br />99 <br />85 <br />115 <br />Magnesium <br />49.1 <br />mg /L <br />0.50 <br />98 <br />85 <br />115 <br />Potassium <br />50.2 <br />mg /L <br />0.50 <br />100 <br />85 <br />115 <br />Sodium <br />49.9 <br />mg /L <br />0.50 <br />100 <br />85 <br />115 <br />Sample ID: C13050779 -001 BMS2 <br />5 Sample Matrix Spike <br />Run: ICP4- C_130607A <br />06/07/13 15:04 <br />Calcium <br />370 <br />mg /L <br />1.0 <br />95 <br />70 <br />130 <br />Iron <br />2.40 <br />mg /L <br />0.030 <br />97 <br />70 <br />130 <br />Magnesium <br />149 <br />mg /L <br />1.0 <br />98 <br />70 <br />130 <br />Potassium <br />111 <br />mg /L <br />1.0 <br />100 <br />70 <br />130 <br />Sodium <br />330 <br />mg /L <br />1.0 <br />103 <br />70 <br />130 <br />Sample ID: C13050779 -001 BMSD <br />5 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130607A <br />06/07/13 15:07 <br />Calcium <br />372 <br />mg /L <br />1.0 <br />97 <br />70 <br />130 0.6 <br />20 <br />Iron <br />2.41 <br />mg /L <br />0.030 <br />98 <br />70 <br />130 0.4 <br />20 <br />Magnesium <br />150 <br />mg /L <br />1.0 <br />98 <br />70 <br />130 0.3 <br />20 <br />Potassium <br />111 <br />mg /L <br />1.0 <br />101 <br />70 <br />130 0.2 <br />20 <br />Sodium <br />331 <br />mg /L <br />1.0 <br />104 <br />70 <br />130 0.2 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting <br />limit. <br />MDC - Minimum detectable concentration <br />Page 15 of 31 <br />