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www.enerdab.com ( Helena, MT 877 - 472 -0711 • Billings, MT 801- 735 -4489 • Casper, WY 888 - 235 -0515 <br />Fsu sme'rss2 J Gillette, WY 866 -686 -7175 • Rapid City, SD BBB- 672 -1225 • C011ege Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 1/14/15 S28103, S28106, S28107 <br />Analyte Count Result Units <br />Method: E200.8 <br />Report Date: 02/02/15 <br />Work Order: C15010389 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: ICPMS2- C_150130A <br />Lab ID: ICV Initial Calibration Verification Standard 01/30/15 09:04 <br />Copper 0.0505 mg /L 0.0010 101 90 110 <br />Method: E200.8 <br />Lab ID: LRB <br />Copper <br />Lab ID: LFB - filtered <br />Copper <br />Lab ID: C1 5010389-001 AMS4 <br />Copper <br />Lab ID: C15010389- 001AMSD <br />Copper <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Method Blank <br />Run: ICPMS2 -C 150130A <br />ND mg /L <br />0.0001 <br />Laboratory Fortified Blank <br />Run: ICPMS2- C_150130A <br />0.0534 mg /L <br />0.0010 <br />107 85 115 <br />Sample Matrix Spike <br />Run: ICPMS2- C_150130A <br />0.0574 mg /L <br />0.0050 <br />97 70 130 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_150130A <br />0.0575 mg /L <br />0.0050 <br />97 70 130 <br />ND - Not detected at the reporting limit. <br />Batch: R195700 <br />01/30/15 10:03 <br />01/30/15 10:07 <br />01/30/15 22:45 <br />01/30/15 22:49 <br />0.1 20 <br />Page 9 of 19 <br />