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• Trust our People. Trust our Data. Billings, MT 800 735.4489 • Casper, WY 888.235.0515 <br />College Station, TX 888.690.2218 • Gillette. WY 866 686.7175 • Helena, MT 877.472.0711 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />06/02/15 <br />Project: Schwartz - SW 5/1/15 S27880, <br />S27882 <br />Work <br />Order: <br />C15050078 <br />Analyte Count <br />Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS2-C_150506A <br />Lab ID: ICV <br />7 <br />Initial Calibration <br />Verification Standard <br />05/06/15 11:51 <br />Antimony <br />0.0496 <br />mg/L <br />0.0010 <br />99 <br />90 <br />110 <br />Copper <br />0.0507 <br />mg/L <br />0.0010 <br />101 <br />90 <br />110 <br />Molybdenum <br />0.0534 <br />mg/L <br />0.0010 <br />107 <br />90 <br />110 <br />Silver <br />0.0203 <br />mg/L <br />0.0010 <br />102 <br />90 <br />110 <br />Thallium <br />0.0488 <br />mg/L <br />0.0010 <br />98 <br />90 <br />110 <br />Uranium <br />0.0474 <br />mg/L <br />0.00030 <br />95 <br />90 <br />110 <br />Zinc <br />0.0498 <br />mg/L <br />0.0010 <br />100 <br />90 <br />110 <br />Method: E200.8 <br />Batch: R199064 <br />Lab ID: LRB <br />7 <br />Method Blank <br />Run: ICPMS2-C 150506A <br />05/06/15 12:25 <br />Antimony <br />ND <br />mg/L <br />6E-05 <br />Copper <br />ND <br />mg/L <br />0.0001 <br />Molybdenum <br />ND <br />mg/L <br />4E-05 <br />Silver <br />ND <br />mg/L <br />5E-05 <br />Thallium <br />ND <br />mg/L <br />9E-06 <br />Uranium <br />ND <br />mg/L <br />1 E-05 <br />Zinc <br />ND <br />mg/L <br />0.0006 <br />Lab ID: LFB <br />7 <br />Laboratory Fortified <br />Blank <br />Run: ICPMS2-C_150506A <br />05/06/15 12:31 <br />Antimony <br />0.0491 <br />mg/L <br />0.0010 <br />98 <br />85 <br />115 <br />Copper <br />0.0500 <br />mg/L <br />0.0010 <br />100 <br />85 <br />115 <br />Molybdenum <br />0.0494 <br />mg/L <br />0.0010 <br />99 <br />85 <br />115 <br />Silver <br />0.0183 <br />mg/L <br />0.0010 <br />91 <br />85 <br />115 <br />Thallium <br />0.0478 <br />mg/L <br />0.0010 <br />96 <br />85 <br />115 <br />Uranium <br />0.0478 <br />mg/L <br />0.00030 <br />96 <br />85 <br />115 <br />Zinc <br />0.0506 <br />mg/L <br />0.0010 <br />101 <br />85 <br />115 <br />Lab ID: C15050082-001 BMS4 <br />7 <br />Sample Matrix Spike <br />Run: ICPMS2-C_150506A <br />05/07/15 05:24 <br />Antimony <br />0.103 <br />mg/L <br />0.0010 <br />102 <br />70 <br />130 <br />Copper <br />0.350 <br />mg/L <br />0.0050 <br />75 <br />70 <br />130 <br />Molybdenum <br />0.150 <br />mg/L <br />0.0010 <br />97 <br />70 <br />130 <br />Silver <br />0.0362 <br />mg/L <br />0.0010 <br />90 <br />70 <br />130 <br />Thallium <br />0.0977 <br />mg/L <br />0.00050 <br />98 <br />70 <br />130 <br />Uranium <br />0.113 <br />mg/L <br />0.00030 <br />97 <br />70 <br />130 <br />Zinc <br />0.584 <br />mg/L <br />0.010 <br />70 <br />130 <br />A <br />Lab ID: C15050082-001BMSD <br />7 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2-C_150506A <br />05/07/15 05:27 <br />Antimony <br />0.103 <br />mg/L <br />0.0010 <br />102 <br />70 <br />130 <br />0.3 <br />20 <br />Copper <br />0.352 <br />mg/L <br />0.0050 <br />77 <br />70 <br />130 <br />0.5 <br />20 <br />Molybdenum <br />0.152 <br />mg/L <br />0.0010 <br />98 <br />70 <br />130 <br />1.1 <br />20 <br />Silver <br />0.0371 <br />mg/L <br />0.0010 <br />93 <br />70 <br />130 <br />2.6 <br />20 <br />Thallium <br />0.0992 <br />mg/L <br />0.00050 <br />99 <br />70 <br />130 <br />1.5 <br />20 <br />Uranium <br />0.115 <br />mg/L <br />0.00030 <br />99 <br />70 <br />130 <br />1.2 <br />20 <br />Zinc <br />0.600 <br />mg/L <br />0.010 <br />70 <br />130 <br />2.8 <br />20 A <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 13 of 31 <br />