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www.emrgylab.com ( Helena, MT 877472 -0711 • Billings, MT 800- 735 -4489 - Casper, WY 888 -235 -0515 <br />Asalrfirs►Enda aSiAe IM J Gillette, WY 866 -6B8 -7175 - Rapid City, SO 88B -672 -1225 - College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 06/13/13 <br />Project: Schwartz GW 5/20/13 S26987 & S26988 Work Order: C13050760 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 <br />7 Sample Matrix Spike Duplicate <br />Batch: R174382 <br />Sample ID: C13051115 -001 BMS2 <br />7 Sample Matrix Spike <br />Aluminum <br />2.05 mg /L <br />Run. ICP4- C_130604A 06/04/13 18:57 <br />Aluminum <br />2.04 mg /L <br />0.030 <br />99 <br />70 130 <br />Calcium <br />112 mg /L <br />1.0 <br />99 <br />70 130 <br />Iron <br />2.06 mg /L <br />0.030 <br />101 <br />70 130 <br />Magnesium <br />103 mg /L <br />1.0 <br />100 <br />70 130 <br />Manganese <br />1.89 mg /L <br />0.0020 <br />93 <br />70 130 <br />Potassium <br />102 mg /L <br />1.0 <br />99 <br />70 130 <br />Sodium <br />472 mg /L <br />1.0 <br />75 <br />70 130 <br />Sample ID: C13051115 -001 BMSD2 <br />7 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130604A <br />06/04/13 19:01 <br />Aluminum <br />2.05 mg /L <br />0.030 <br />99 <br />70 <br />130 <br />0.4 <br />20 <br />Calcium <br />112 mg /L <br />1.0 <br />99 <br />70 <br />130 <br />0.2 <br />20 <br />Iron <br />2.03 mg /L <br />0.030 <br />100 <br />70 <br />130 <br />1.3 <br />20 <br />Magnesium <br />102 mg /L <br />1.0 <br />100 <br />70 <br />130 <br />0.3 <br />20 <br />Manganese <br />1.89 mg /L <br />0.0020 <br />92 <br />70 <br />130 <br />0.1 <br />20 <br />Potassium <br />102 mg /L <br />1.0 <br />99 <br />70 <br />130 <br />0.2 <br />20 <br />Sodium <br />467 mg /L <br />1.0 <br />70 <br />70 <br />130 <br />1.1 <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 24 <br />