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wwwenergylab.com Helena, W 077- 472 -0711 • Billings, W 800 - 735 -4489 • Casper, WY 888- 235 -0515 <br />Gillette, WY 866 -686 -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 />Client: Cotter Corporation <br />Report Date: <br />09/30/13 <br />Project: Schwartz SW 09/05/13 <br />S27131 <br />Work <br />Order: <br />C13090222 <br />F nalyte <br />Count Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: <br />E200.7 <br />Analytical Run: ICP4- C_130918A <br />Sample ID: <br />ICV <br />5 Initial Calibration Verification Standard <br />09/18/13 13:49 <br />Calcium <br />50.6 mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Iron <br />508 mg /L <br />0.030 <br />102 <br />95 <br />105 <br />Magnesium <br />50.6 mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Potassium <br />51.3 mg /L <br />0.50 <br />103 <br />95 <br />105 <br />Sodium <br />50.9 mg /L <br />050 <br />102 <br />95 <br />105 <br />Sample ID: <br />ICSA <br />5 Interference Check Sample A <br />09/18/13 14.03 <br />Calcium <br />460 mg /L <br />0.50 <br />92 <br />80 <br />120 <br />Iron <br />177 mg /L <br />0.030 <br />88 <br />80 <br />120 <br />Magnesium <br />500 mg /L <br />0.50 <br />100 <br />80 <br />120 <br />Potassium <br />0.0159 mg /L <br />0.50 <br />Sodium <br />-0.182 mg /L <br />0.50 <br />Sample ID: <br />ICSAB <br />5 Interference Check Sample AB <br />09/18/13 14:07 <br />Calcium <br />466 mg /L <br />0.50 <br />93 <br />80 <br />120 <br />Iron <br />179 mg /L <br />0.030 <br />89 <br />80 <br />120 <br />Magnesium <br />507 mg /L <br />0.50 <br />101 <br />80 <br />120 <br />Potassium <br />0.0380 mg /L <br />0.50 <br />Sodium <br />-0.169 mg /L <br />0.50 <br />Method: <br />E200.7 <br />Batch: R178496 <br />Sample ID: <br />MB- 130918A <br />5 Method Blank <br />Run: ICP4- C_130918A <br />09/18/13 14:25 <br />Calcium <br />ND mg /L <br />0.02 <br />Iron <br />ND mg /L <br />0.002 <br />Magnesium <br />0.04 mg /L <br />0.01 <br />Potassium <br />ND mg /L <br />0.04 <br />Sodium <br />ND mg /L <br />0.2 <br />Sample ID: <br />LFB- 130918A <br />5 Laboratory Fortified Blank <br />Run: ICP4- C_130918A <br />09/18/13 14:29 <br />Calcium <br />47.8 mg /L <br />0.50 <br />96 <br />85 <br />115 <br />Iron <br />0.961 mg /L <br />0.030 <br />96 <br />85 <br />115 <br />Magnesium <br />47.8 mg /L <br />0.50 <br />96 <br />85 <br />115 <br />Potassium <br />47.3 mg /L <br />0.50 <br />95 <br />85 <br />115 <br />Sodium <br />47.6 mg /L <br />0.50 <br />95 <br />85 <br />115 <br />Sample ID: <br />C13090186- 002BMS2 <br />5 Sample Matrix Spike <br />Run: ICP4- C_130918A <br />09/18/13 17:37 <br />Calcium <br />106 mg /L <br />10 <br />96 <br />70 <br />130 <br />Iron <br />1.98 mg /L <br />0.030 <br />97 <br />70 <br />130 <br />Magnesium <br />98.8 mg /L <br />1.0 <br />96 <br />70 <br />130 <br />Potassium <br />97.7 mg /L <br />1.0 <br />94 <br />70 <br />130 <br />Sodium <br />202 mg /L <br />1.0 <br />91 <br />70 <br />130 <br />Sample ID: <br />C13090186- 002BMSD2 <br />5 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130918A <br />09/18/13 17:40 <br />Calcium <br />107 mg /L <br />1.0 <br />97 <br />70 <br />130 <br />0.9 <br />20 <br />Iron <br />1.99 mg /L <br />0.030 <br />98 <br />70 <br />130 <br />0.7 <br />20 <br />Magnesium <br />99.6 mg /L <br />1.0 <br />97 <br />70 <br />130 <br />0.8 <br />20 <br />Qualifiers: <br />RL - Analyte <br />reporting limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 12 of 27 <br />