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• www.enerulab.com Helena, MT 877472 -0711 - Billings, MT 600 - 7354489 - Casper, WY 888 - 235 -0515 <br />LW AWtA t ,a 9=1991 Gillette, WY 866 -686 -7175 *Rapid City, SD 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 />Project: Schwartz -SW 9/4/14 S27661 <br />Analyte Count Result Units <br />Method: E200.7 <br />Report Date: 09/30/14 <br />Work Order: C14090226 <br />RL %REC Low Limit High Limit RPD RPDLimit (dual <br />Lab ID: ICV <br />8 Initial Calibration Verification Standard <br />Aluminum <br />4.90 <br />mg /L <br />0.10 <br />Calcium <br />49.4 <br />mg /L <br />0.50 <br />Iron <br />4.90 <br />mg /L <br />0.030 <br />Magnesium <br />49.6 <br />mg /L <br />0.50 <br />Manganese <br />4.78 <br />mg /L <br />0.010 <br />Molybdenum <br />0.979 <br />mg /L <br />0.10 <br />Potassium <br />49.4 <br />mg /L <br />0.50 <br />Sodium <br />49.2 <br />mg /L <br />0.50 <br />Lab ID: ICSA <br />8 Interference Check Sample A <br />Calcium <br />Aluminum <br />475 <br />mg /L <br />0.10 <br />Calcium <br />458 <br />mg /L <br />0.50 <br />Iron <br />176 <br />mg /L <br />0.030 <br />Magnesium <br />497 <br />mg /L <br />0.50 <br />Manganese <br />0.000420 <br />mg /L <br />0.010 <br />Molybdenum <br />0.00510 <br />mg /L <br />0.10 <br />Potassium <br />- 0.0118 <br />mg /L <br />0.50 <br />Sodium <br />-0.223 <br />mg /L <br />0.50 <br />Lab ID: ICSAB <br />8 Interference Check <br />Sample AB <br />Aluminum <br />474 <br />mg /L <br />0.10 <br />Calcium <br />455 <br />mg /L <br />0.50 <br />Iron <br />175 <br />mg /L <br />0.030 <br />Magnesium <br />496 <br />mg /L <br />0.50 <br />Manganese <br />0.433 <br />mg /L <br />0.010 <br />Molybdenum <br />0.00225 <br />mg /L <br />0.10 <br />Potassium <br />- 0.0181 <br />mg /L <br />0.50 <br />Sodium <br />-0.153 <br />mg /L <br />0.50 <br />Method: E200.7 <br />105 <br />99 95 <br />Lab ID: MB- 140910A <br />8 Method Blank <br />105 <br />Aluminum <br />ND <br />mg /L <br />Calcium <br />ND <br />mg /L <br />Iron <br />ND <br />mg /L <br />Magnesium <br />ND <br />mg /L <br />Manganese <br />ND <br />mg /L <br />Molybdenum <br />ND <br />mg /L <br />Potassium <br />ND <br />mg /L <br />Sodium <br />ND <br />mg /L <br />Lab ID: LFB- 140910A <br />8 Laboratory Fortified <br />Blank <br />Aluminum <br />0.966 <br />mg /L <br />Calcium <br />47.4 <br />mg /L <br />Iron <br />0.935 <br />mg /L <br />Magnesium <br />46.9 <br />mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />0.01 <br />0.01 <br />0.005 <br />0.04 <br />0.002 <br />0.007 <br />0.06 <br />0.2 <br />98 95 <br />105 <br />99 95 <br />105 <br />98 95 <br />105 <br />99 95 <br />105 <br />96 95 <br />105 <br />98 95 <br />105 <br />99 95 <br />105 <br />99 95 <br />105 <br />95 80 <br />120 <br />92 80 <br />120 <br />88 80 <br />120 <br />99 80 <br />120 <br />95 <br />80 <br />120 <br />91 <br />80 <br />120 <br />87 <br />80 <br />120 <br />99 <br />80 <br />120 <br />87 <br />80 <br />120 <br />Run: ICP4 -C 140910A <br />Analytical Run: ICP4- C_140910A <br />09/10/14 14:14 <br />ND - Not detected at the reporting limit. <br />09/10/14 14:28 <br />09/10/14 14:32 <br />Batch: R190960 <br />09/10/14 14:51 <br />09/10/14 14:55 <br />Page 10 of 26 <br />Run: ICP4- C_140910A <br />0.10 <br />97 <br />85 115 <br />0.50 <br />95 <br />85 115 <br />0.030 <br />94 <br />85 115 <br />0.50 <br />94 <br />85 115 <br />Analytical Run: ICP4- C_140910A <br />09/10/14 14:14 <br />ND - Not detected at the reporting limit. <br />09/10/14 14:28 <br />09/10/14 14:32 <br />Batch: R190960 <br />09/10/14 14:51 <br />09/10/14 14:55 <br />Page 10 of 26 <br />