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www.ener&b.com Helena, MT 871 471 -0711 - Billings, W 800 -735 -4489 - Casper, WY 888 -235 -0515 <br />Gillette, WY 866 -886 -7175 *Rapid City, SD 886 -672 -1225 *College Station, TX 888 - 690 -1218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />08/26/13 <br />Project: Schwartz GW 08/08/13 S27024 & S27025 <br />Work Order: <br />C13080364 <br />FAnalyte Count Result <br />Units <br />RL <br />° /.REC <br />Low Limit High Limit <br />RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Batch: 38663 <br />Sample ID: 013080370- 001AMS3 4 <br />Sample Matrix Spike <br />Run: ICP4- C_130820A <br />08/20/13 20:40 <br />Zinc <br />0.508 <br />mg /L <br />0.010 <br />96 <br />70 130 <br />Sample ID: C13080370- 001AMSD3 4 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_130820A <br />08/20/13 20:44 <br />Aluminum <br />8.33 <br />mg /L <br />0.030 <br />177 <br />70 130 <br />5.4 <br />20 S <br />Iron <br />582 <br />mg /L <br />0.030 <br />111 <br />70 130 <br />1.6 <br />20 <br />Manganese <br />2.58 <br />mg /L <br />0.0010 <br />101 <br />70 130 <br />2.4 <br />20 <br />Zinc <br />0.507 <br />mg /L <br />0.010 <br />96 <br />70 130 <br />0.2 <br />20 <br />Method: E200.7 <br />Batch: R177354 <br />Sample ID: MB- 130820A 8 <br />Method Blank <br />Run: ICP4 -C 130820A <br />08/20/13 12:13 <br />Aluminum <br />ND <br />mg /L <br />0.009 <br />Calcium <br />004 <br />mg /L <br />0.02 <br />Iron <br />ND <br />mg /L <br />0.002 <br />Magnesium <br />0.05 <br />mg /L <br />0.01 <br />Manganese <br />ND <br />mg /L <br />0.0010 <br />Potassium <br />ND <br />mg /L <br />0.04 <br />Sodium <br />ND <br />mg /L <br />0.2 <br />Zinc <br />ND <br />mg /L <br />0.001 <br />Sample ID: LFB- 130820A 8 <br />Laboratory Fortified Blank <br />Run: ICP4- C_130820A <br />08/20/13 12:17 <br />Aluminum <br />0.976 <br />mg /L <br />0.10 <br />98 <br />85 115 <br />Calcium <br />48.2 <br />mg /L <br />0.50 <br />96 <br />85 115 <br />Iron <br />0.966 <br />mg /L <br />0.030 <br />97 <br />85 115 <br />Magnesium <br />48.2 <br />mg /L <br />0.50 <br />96 <br />85 115 <br />Manganese <br />0.949 <br />mg /L <br />0.010 <br />95 <br />85 115 <br />Potassium <br />48.1 <br />mg /L <br />0.50 <br />96 <br />85 115 <br />Sodium <br />48.0 <br />mg /L <br />0.50 <br />96 <br />85 115 <br />Zinc <br />0.933 <br />mg /L <br />0.010 <br />93 <br />85 115 <br />Sample ID: C13080326- 004CMS2 8 <br />Sample Matrix Spike <br />Run: ICP4- C_130820A <br />08/20/13 15:01 <br />Aluminum <br />2.00 <br />mg /L <br />0.030 <br />96 <br />70 130 <br />Calcium <br />315 <br />mg /L <br />1.0 <br />89 <br />70 130 <br />Iron <br />2.35 <br />mg /L <br />0.030 <br />97 <br />70 130 <br />Magnesium <br />112 <br />mg /L <br />1.0 <br />97 <br />70 130 <br />Manganese <br />2.06 <br />mg /L <br />0.0020 <br />93 <br />70 130 <br />Potassium <br />106 <br />mg /L <br />1.0 <br />99 <br />70 130 <br />Sodium <br />157 <br />mg /L <br />1.0 <br />98 <br />70 130 <br />Zinc <br />188 <br />mg /L <br />0.010 <br />91 <br />70 130 <br />Sample ID: C13080326- 004CMSD2 8 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_130820A <br />08/20/13 15:05 <br />Aluminum <br />2.02 <br />mg /L <br />0.030 <br />97 <br />70 130 <br />1.0 <br />20 <br />Calcium <br />315 <br />mg /L <br />1.0 <br />89 <br />70 130 <br />0.2 <br />20 <br />Iron <br />2.34 <br />mg /L <br />0.030 <br />97 <br />70 130 <br />0.1 <br />20 <br />Magnesium <br />112 <br />mg /L <br />1.0 <br />97 <br />70 130 <br />0.1 <br />20 <br />Manganese <br />2.06 <br />mg /L <br />0.0020 <br />93 <br />70 130 <br />0.1 <br />20 <br />Potassium <br />106 <br />mg /L <br />1.0 <br />100 <br />70 130 <br />0.2 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />S - Spike <br />recovery outside of advisory limits. <br />Page 10 of 23 <br />