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} - www.enerdab.com <br />Helena, MT 877- 472 -0711 • Billings, MT 800- 135 -4489 • Casper, WY 888- 235 -0515 <br />A#~E=1lliiiff2 <br />Gillette, WY 866 -686 -7175 • <br />Rapid City, SD 888 - 672 -1225 • College station, Tx 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared <br />by Casper, WY <br />Branch <br />Client: Cotter Corporation <br />Report Date: <br />10/02/13 <br />Project: Schwartz SW 9/5/13 S27130 <br />Work Order: <br />C13090203 <br />Analyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS2- C_131001A <br />Sample ID: ICV <br />7 Initial Calibration <br />Verification <br />Standard <br />10/01/13 14:47 <br />Antimony <br />0.0567 <br />mg /L <br />0.0010 <br />113 <br />90 <br />110 <br />S <br />Copper <br />0.0497 <br />mg /L <br />00010 <br />99 <br />90 <br />110 <br />Molybdenum <br />0.0501 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0205 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Thallium <br />0.0484 <br />mg /L <br />0.0010 <br />97 <br />90 <br />110 <br />Uranium <br />0.0486 <br />mg /L <br />000030 <br />97 <br />90 <br />110 <br />Zinc <br />0.0498 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />- Antimony response is above standard QA limit. This could indicate <br />a high bias for the sample results. <br />Since there were <br />no detectable analyte responses, and the remaindE <br />of the run QA is within acceptance range, this batch is approved. <br />Method: E200.8 <br />Batch: R179031 <br />Sample ID: LRB <br />7 Method Blank <br />Run: ICPMS2- C_131001A <br />10/01/13 15:27 <br />Antimony <br />0.0003 <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 />Sample ID: LFB <br />6 Laboratory Fortified <br />Blank <br />Run: ICPMS2- C_131001A <br />10/01/13 15:30 <br />Antimony <br />0.0511 <br />mg /L <br />0.0010 <br />102 <br />85 <br />115 <br />Molybdenum <br />0.0526 <br />mg /L <br />0.0010 <br />105 <br />85 <br />115 <br />Silver <br />0.0214 <br />mg /L <br />0.0010 <br />107 <br />85 <br />115 <br />Thallium <br />0.0510 <br />mg /L <br />0.0010 <br />102 <br />85 <br />115 <br />Uranium <br />0.0519 <br />mg /L <br />0.00030 <br />104 <br />85 <br />115 <br />Zinc <br />0.0568 <br />mg /L <br />0.0010 <br />114 <br />85 <br />115 <br />Sample ID: C13090203- 001CMS4 <br />7 Sample Matrix Spike <br />Run: ICPMS2- C_131001A <br />10/01/13 18:26 <br />Antimony <br />0.0585 <br />mg /L <br />0.0010 <br />117 <br />70 <br />130 <br />Copper <br />0.0552 <br />mg /L <br />0.0050 <br />108 <br />70 <br />130 <br />Molybdenum <br />0.0524 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Silver <br />0.0187 <br />mg /L <br />0.0010 <br />93 <br />70 <br />130 <br />Thallium <br />0.0509 <br />mg /L <br />0.00050 <br />102 <br />70 <br />130 <br />Uranium <br />0.0560 <br />mg /L <br />0.00030 <br />108 <br />70 <br />130 <br />Zinc <br />0.0602 <br />mg /L <br />0.010 <br />111 <br />70 <br />130 <br />Sample ID: C13090203- 001CMSD <br />7 Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_131001A <br />10/01/13 18:29 <br />Antimony <br />0.0586 <br />mg /L <br />0.0010 <br />117 <br />70 <br />130 0.1 <br />20 <br />Copper <br />0.0548 <br />mg /L <br />0.0050 <br />108 <br />70 <br />130 0.6 <br />20 <br />Molybdenum <br />00524 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 0.1 <br />20 <br />Silver <br />0.0187 <br />mg /L <br />0.0010 <br />94 <br />70 <br />130 0.2 <br />20 <br />Thallium <br />0.0507 <br />mg /L <br />0.00050 <br />101 <br />70 <br />130 0.4 <br />20 <br />Uranium <br />0.0564 <br />mg /L <br />0.00030 <br />109 <br />70 <br />130 0.6 <br />20 <br />Zinc <br />0.0597 <br />mg /L <br />0.010 <br />110 <br />70 <br />130 0.9 <br />20 <br />Sample ID: LFB <br />Laboratory Fortified <br />Blank <br />Run: ICPMS2- C_131001 A <br />10/02/13 08:42 <br />Copper <br />0.0539 <br />mg /L <br />0.0010 <br />108 <br />85 <br />115 <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 15 of 25 <br />