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www.energyiab.com Helena, MT 877- 472 -0711 • Billings, MY 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />Ae�ticdiuruN�aAaa ll51 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 Report Date: 12/03/13 <br />Project: Schwartz SW 11/06/13 S27254 Work Order: C13110376 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Batch: 39742 <br />Sample ID: LCS3 -39742 14 Laboratory Control Sample Run: ICPMS4- C_131118A 11/18/13 18:50 <br />Thallium 0.497 mg /L 0.00050 99 85 115 <br />Uranium 0.552 mg /L 0.00030 110 85 115 <br />Zinc 0.532 mg /L 0.010 106 85 115 <br />- Antimony response is above standard QA limit. This could indicate a high bias for the sample results. Since there were no detectable analyte responses, and the <br />remainder of the run QA is within acceptance range, this batch is approved. <br />Sample ID: C13110376- 001DMS3 14 Sample Matrix Spike Run: ICPMS4 -C 131118A 11/18/13 19:38 <br />Aluminum <br />2.21 <br />mg /L <br />0.030 <br />88 <br />70 <br />130 <br />Antimony <br />0.662 <br />mg /L <br />0.0010 <br />132 <br />70 <br />130 <br />S <br />Arsenic <br />0.530 <br />mg /L <br />0.0010 <br />106 <br />70 <br />130 <br />Boron <br />0.459 <br />mg /L <br />0.050 <br />88 <br />70 <br />130 <br />Chromium <br />0.520 <br />mg /L <br />0.0050 <br />104 <br />70 <br />130 <br />Copper <br />0.517 <br />mg /L <br />0.0050 <br />103 <br />70 <br />130 <br />Iron <br />2.76 <br />mg /L <br />0.030 <br />99 <br />70 <br />130 <br />Lead <br />0.563 <br />mg /L <br />0.0010 <br />113 <br />70 <br />130 <br />Manganese <br />2.80 <br />mg /L <br />0.0010 <br />106 <br />70 <br />130 <br />Molybdenum <br />0.576 <br />mg /L <br />0.0010 <br />114 <br />70 <br />130 <br />Silver <br />0.0547 <br />mg /L <br />0.0010 <br />109 <br />70 <br />130 <br />Thallium <br />0.524 <br />mg /L <br />0.00050 <br />105 <br />70 <br />130 <br />Uranium <br />0.638 <br />mg /L <br />0.00030 <br />116 <br />70 <br />130 <br />Zinc <br />0.501 <br />mg /L <br />0.010 <br />100 <br />70 <br />130 <br />Sample ID: 013110376- 001DMSD3 <br />14 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_131118A <br />11/18/13 19:42 <br />Aluminum <br />2.17 <br />mg /L <br />0.030 <br />86 <br />70 <br />130 <br />1.9 <br />20 <br />Antimony <br />0.651 <br />mg /L <br />0.0010 <br />130 <br />70 <br />130 <br />1.6 <br />20 <br />Arsenic <br />0.516 <br />mg /L <br />0.0010 <br />103 <br />70 <br />130 <br />2.7 <br />20 <br />Boron <br />0.458 <br />mg /L <br />0.050 <br />88 <br />70 <br />130 <br />0.1 <br />20 <br />Chromium <br />0.506 <br />mg /L <br />0.0050 <br />101 <br />70 <br />130 <br />2.7 <br />20 <br />Copper <br />0.504 <br />mg /L <br />0.0050 <br />101 <br />70 <br />130 <br />2.4 <br />20 <br />Iron <br />2.76 <br />mg /L <br />0.030 <br />99 <br />70 <br />130 <br />0.1 <br />20 <br />Lead <br />0.552 <br />mg /L <br />0.0010 <br />110 <br />70 <br />130 <br />2.0 <br />20 <br />Manganese <br />2.72 <br />mg /L <br />0.0010 <br />103 <br />70 <br />130 <br />2.6 <br />20 <br />Molybdenum <br />0.561 <br />mg /L <br />0.0010 <br />111 <br />70 <br />130 <br />2.7 <br />20 <br />Silver <br />0.0532 <br />mg /L <br />0.0010 <br />106 <br />70 <br />130 <br />2.9 <br />20 <br />Thallium <br />0.511 <br />mg /L <br />0.00050 <br />102 <br />70 <br />130 <br />2.5 <br />20 <br />Uranium <br />0.631 <br />mg /L <br />0.00030 <br />115 <br />70 <br />130 <br />1.2 <br />20 <br />Zinc <br />0.491 <br />mg /L <br />0.010 <br />98 <br />70 <br />130 <br />2.0 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 14 of 24 <br />