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www.enerdab.com Helena, NT 877 -472 -0711 • Billings, MY 800 - 7354489 • Casper, WY 888 - 235 -0515 <br />Aut$kW E=ftW# X= I U Gillette, WY 866 -686 -7175 • Rapid City, so 888 -672 -1225 • College Station, Tx 888-680 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 12/29/14 <br />Project: Schwartz -SW 12/1/14 S27813 and S27815 Work Order: C14120088 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Analytical Run: ICPMS2- C_141205A <br />Lab ID: ICV 11 Initial Calibration Verification Standard 12/05/14 12:37 <br />Aluminum <br />0.0488 <br />mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Antimony <br />0.0480 <br />mg /L <br />0.0010 <br />96 <br />90 <br />110 <br />Arsenic <br />0.0478 <br />mg /L <br />0.0010 <br />96 <br />90 <br />110 <br />Chromium <br />0.0484 <br />mg /L <br />0.0010 <br />97 <br />90 <br />110 <br />Copper <br />0.0486 <br />mg /L <br />0.0010 <br />97 <br />90 <br />110 <br />Lead <br />0.0493 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Manganese <br />0.0486 <br />mg /L <br />0.0010 <br />97 <br />90 <br />110 <br />Molybdenum <br />0.0486 <br />mg /L <br />0.0010 <br />97 <br />90 <br />110 <br />Silver <br />0.0206 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Thallium <br />0.0495 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Zinc <br />0.0494 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Method: E200.8 <br />Batch: 43371 <br />Lab ID: C14120088- 002CMS3 <br />11 Sample Matrix <br />Spike <br />Run: ICPMS2- C_141205A <br />12/05/14 20:44 <br />Aluminum <br />2.45 <br />mg /L <br />0.030 <br />98 <br />70 <br />130 <br />Antimony <br />0.522 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Arsenic <br />0.491 <br />mg /L <br />0.0010 <br />98 <br />70 <br />130 <br />Chromium <br />0.492 <br />mg /L <br />0.0050 <br />98 <br />70 <br />130 <br />Copper <br />0.476 <br />mg /L <br />0.0050 <br />95 <br />70 <br />130 <br />Lead <br />0.522 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Manganese <br />2.52 <br />mg /L <br />0.0010 <br />98 <br />70 <br />130 <br />Molybdenum <br />0.529 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Silver <br />0.0511 <br />mg /L <br />0.0010 <br />102 <br />70 <br />130 <br />Thallium <br />0.445 <br />mg /L <br />0.00050 <br />89 <br />70 <br />130 <br />Zinc <br />0.476 <br />mg /L <br />0.010 <br />95 <br />70 <br />130 <br />Lab ID: C14120088- 002CMSD <br />11 Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_141205A <br />12/05/14 20:47 <br />Aluminum <br />2.36 <br />mg /L <br />0.030 <br />94 <br />70 <br />130 <br />3.7 <br />20 <br />Antimony <br />0.541 <br />mg /L <br />0.0010 <br />108 <br />70 <br />130 <br />3.5 <br />20 <br />Arsenic <br />0.489 <br />mg /L <br />0.0010 <br />98 <br />70 <br />130 <br />0.6 <br />20 <br />Chromium <br />0.477 <br />mg /L <br />0.0050 <br />95 <br />70 <br />130 <br />3.1 <br />20 <br />Copper <br />0.455 <br />mg /L <br />0.0050 <br />91 <br />70 <br />130 <br />4.6 <br />20 <br />Lead <br />0.514 <br />mg /L <br />0.0010 <br />103 <br />70 <br />130 <br />1.5 <br />20 <br />Manganese <br />2.46 <br />mg /L <br />0.0010 <br />96 <br />70 <br />130 <br />2.5 <br />20 <br />Molybdenum <br />0.542 <br />mg /L <br />0.0010 <br />106 <br />70 <br />130 <br />2.5 <br />20 <br />Silver <br />0.0521 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />2.0 <br />20 <br />Thallium <br />0.452 <br />mg /L <br />0.00050 <br />90 <br />70 <br />130 <br />1.6 <br />20 <br />Zinc <br />0.465 <br />mg /L <br />0.010 <br />93 <br />70 <br />130 <br />2.4 <br />20 <br />Lab ID: MB -43371 <br />11 Method Blank <br />Run: ICPMS2- C_141205A <br />12/05/14 19:16 <br />Aluminum <br />0.001 <br />mg /L <br />0.0005 <br />Antimony <br />ND <br />mg /L <br />0.0002 <br />Arsenic <br />ND <br />mg /L <br />0.0003 <br />Chromium <br />0.0005 <br />mg /L <br />0.0002 <br />Copper <br />ND <br />mg /L <br />0.0004 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 11 of 25 <br />