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- <br />• <br />www.enerdab.com <br />Helena, W 877- 472 -0711 • Billings, MT 600- 735 -4480 • Casper, WY 888 - 235 -0515 <br />As sl&axpinoas+ncs M2 <br />Gillette, <br />WY 866 -686 <br />-7175 • Rapid City, <br />SD 886 <br />-672 -1225 • College station, <br />ix 888 -680 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY <br />Branch <br />Client: Cotter Corporation <br />Report Date: <br />09/30/14 <br />Project: Schwartz -GW 09/04/14 S27679 <br />Work Order: <br />C14090400 <br />Analyte <br />Count Result <br />Units <br />RL <br />%REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Analytical Run: ICP4- C_140911A <br />Lab ID: ICV <br />8 Initial Calibration <br />Verification Standard <br />09/11/14 14:27 <br />Aluminum <br />4.95 <br />mg /L <br />0.10 <br />99 <br />95 <br />105 <br />Calcium <br />49.4 <br />mg /L <br />0.50 <br />99 <br />95 <br />105 <br />Iron <br />4.93 <br />mg /L <br />0.030 <br />99 <br />95 <br />105 <br />Magnesium <br />49.4 <br />mg /L <br />0.50 <br />99 <br />95 <br />105 <br />Manganese <br />4.76 <br />mg /L <br />0.010 <br />95 <br />95 <br />105 <br />Molybdenum <br />0.970 <br />mg /L <br />0.10 <br />97 <br />95 <br />105 <br />Potassium <br />49.3 <br />mg /L <br />0.50 <br />99 <br />95 <br />105 <br />Sodium <br />49.0 <br />mg /L <br />0.50 <br />98 <br />95 <br />105 <br />Lab ID: ICSA <br />8 Interference Check Sample A <br />09/11/14 14:42 <br />Aluminum <br />483 <br />mg /L <br />0.10 <br />97 <br />80 <br />120 <br />Calcium <br />458 <br />mg /L <br />0.50 <br />92 <br />80 <br />120 <br />Iron <br />178 <br />mg /L <br />0.030 <br />89 <br />80 <br />120 <br />Magnesium <br />496 <br />mg /L <br />0.50 <br />99 <br />80 <br />120 <br />Manganese <br />0.00376 <br />mg /L <br />0.010 <br />Molybdenum <br />0.00613 <br />mg /L <br />0.10 <br />Potassium <br />- 0.00626 <br />mg /L <br />0.50 <br />Sodium <br />0.236 <br />mg /L <br />0.50 <br />Lab ID: ICSAB <br />8 Interference Check Sample AB <br />09/11/14 14:46 <br />Aluminum <br />476 <br />mg /L <br />0.10 <br />95 <br />80 <br />120 <br />Calcium <br />445 <br />mg /L <br />0.50 <br />89 <br />80 <br />120 <br />Iron <br />177 <br />mg /L <br />0.030 <br />89 <br />80 <br />120 <br />Magnesium <br />495 <br />mg /L <br />0.50 <br />99 <br />80 <br />120 <br />Manganese <br />0.442 <br />mg /L <br />0.010 <br />88 <br />80 <br />120 <br />Molybdenum <br />0.00498 <br />mg /L <br />0.10 <br />Potassium <br />0.00348 <br />mg /L <br />0.50 <br />Sodium <br />0.182 <br />mg /L <br />0.50 <br />Method: E200.7 <br />Batch: R190996 <br />Lab ID: MB- 140911A <br />8 Method Blank <br />Run: ICP4 -C 140911A <br />09/11/14 15:04 <br />Aluminum <br />ND <br />mg /L <br />0.01 <br />Calcium <br />ND <br />mg /L <br />0.01 <br />Iron <br />ND <br />mg /L <br />0.005 <br />Magnesium <br />ND <br />mg /L <br />0.01 <br />Manganese <br />ND <br />mg /L <br />0.002 <br />Molybdenum <br />ND <br />mg /L <br />0.007 <br />Potassium <br />ND <br />mg /L <br />0.06 <br />Sodium <br />ND <br />mg /L <br />0.01 <br />Lab ID: LF13- 140911A <br />8 Laboratory Fortified Blank <br />Run: ICP4- C140911 A <br />09/11/14 15:08 <br />Aluminum <br />0.995 <br />mg /L <br />0.10 <br />100 <br />85 <br />115 <br />Calcium <br />47.5 <br />mg /L <br />0.50 <br />95 <br />85 <br />115 <br />Iron <br />0.950 <br />mg /L <br />0.030 <br />95 <br />85 <br />115 <br />Magnesium <br />46.8 <br />mg /L <br />0.50 <br />94 <br />85 <br />115 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at <br />the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 8 of 21 <br />