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www.energylab.com Helena, MT 877- 472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 - 235 -0515 <br />A°�'t' lest Gillette, WY 866 - 666 -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 -GW 9/10/14 S27680,S27681 <br />Analyte Count Result Units <br />Method: E200.7 <br />Report Date: 09/30/14 <br />Work Order: C14090456 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Lab ID: ICV <br />7 Initial Calibration Verification Standard <br />Aluminum <br />4.86 mg /L <br />0.10 <br />Calcium <br />49.6 mg /L <br />0.50 <br />Iron <br />4.96 mg /L <br />0.030 <br />Magnesium <br />49.7 mg /L <br />0.50 <br />Manganese <br />4.81 mg /L <br />0.010 <br />Potassium <br />50.6 mg /L <br />0.50 <br />Sodium <br />50.1 mg /L <br />0.50 <br />Lab ID: ICSA <br />7 Interference Check Sample A <br />54.3 <br />Aluminum <br />472 mg /L <br />0.10 <br />Calcium <br />462 mg /L <br />0.50 <br />Iron <br />177 mg /L <br />0.030 <br />Magnesium <br />501 mg /L <br />0.50 <br />Manganese <br />0.00373 mg /L <br />0.010 <br />Potassium <br />0.0129 mg /L <br />0.50 <br />Sodium <br />0.219 mg /L <br />0.50 <br />Lab ID: ICSAB <br />7 Interference Check Sample AB <br />Aluminum <br />461 mg /L <br />0.10 <br />Calcium <br />456 mg /L <br />0.50 <br />Iron <br />175 mg /L <br />0.030 <br />Magnesium <br />491 mg /L <br />0.50 <br />Manganese <br />0.443 mg /L <br />0.010 <br />Potassium <br />0.0136 mg /L <br />0.50 <br />Sodium <br />0.359 mg /L <br />0.50 <br />Method: E200.7 <br />Lab ID: MB- 140912A <br />Aluminum <br />Calcium <br />Iron <br />Magnesium <br />Manganese <br />Potassium <br />Sodium <br />Lab ID: LFB- 140912A <br />Aluminum <br />Calcium <br />Iron <br />Magnesium <br />Manganese <br />Potassium <br />Sodium <br />7 Method Blank <br />ND <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />ND <br />mg /L <br />7 Laboratory Fortified Blank <br />0.976 <br />mg /L <br />47.9 <br />mg /L <br />0.958 <br />mg /L <br />47.1 <br />mg /L <br />0.924 <br />mg /L <br />54.3 <br />mg /L <br />50.8 <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 />0.01 <br />0.002 <br />0.06 <br />0.01 <br />97 <br />95 <br />105 <br />99 <br />95 <br />105 <br />99 <br />95 <br />105 <br />99 <br />95 <br />105 <br />96 <br />95 <br />105 <br />101 <br />95 <br />105 <br />100 <br />95 <br />105 <br />94 <br />80 <br />120 <br />92 <br />80 <br />120 <br />89 <br />80 <br />120 <br />100 <br />80 <br />120 <br />92 <br />80 <br />120 <br />91 <br />80 <br />120 <br />88 <br />80 <br />120 <br />98 <br />80 <br />120 <br />89 <br />80 <br />120 <br />Run: ICP4 -C 140912B <br />ND - Not detected at the reporting limit. <br />Analytical Run: ICP4- C_140912B <br />09/12/14 12:45 <br />09/12/14 12:59 <br />09/12/14 13:04 <br />Batch: R191066 <br />09/12/14 13:22 <br />09/12/14 13:26 <br />Page 10 of 25 <br />Run: ICP4- C_140912B <br />0.10 <br />98 <br />85 <br />115 <br />0.50 <br />96 <br />85 <br />115 <br />0.030 <br />96 <br />85 <br />115 <br />0.50 <br />94 <br />85 <br />115 <br />0.010 <br />92 <br />85 <br />115 <br />0.50 <br />109 <br />85 <br />115 <br />0.50 <br />102 <br />85 <br />115 <br />ND - Not detected at the reporting limit. <br />Analytical Run: ICP4- C_140912B <br />09/12/14 12:45 <br />09/12/14 12:59 <br />09/12/14 13:04 <br />Batch: R191066 <br />09/12/14 13:22 <br />09/12/14 13:26 <br />Page 10 of 25 <br />