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• www.enerdab.com Helena, MT 677- 472 -0711 • Billings, MT 600- 735 -4489 • Casper, WY 888- 235 -0515 <br />} AwWa Emft= SWU IM Gillette, WY 866- 666 -7175 • Rapid City, So 888 -672 -1225 • College Station, TX 888 - 696 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 09/30/14 <br />Project: Schwartz -SW 9/4/14 S27661 Work Order: C14090226 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: <br />ICPMS4- C_140915A <br />Lab ID: ICV <br />8 Initial Calibration <br />Verification Standard <br />09/15/14 14:54 <br />Antimony <br />0.0504 <br />mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Arsenic <br />0.0513 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Chromium <br />0.0505 <br />mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Copper <br />0.0514 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Lead <br />0.0502 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0200 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Thallium <br />0.0494 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Uranium <br />0.0491 <br />mg /L <br />0.00030 <br />98 <br />90 <br />110 <br />Method: E200.8 <br />Batch: 42552 <br />Lab ID: MB -42552 <br />8 Method Blank <br />Run: ICPMS4 -C 140915A <br />09/16/14 00:44 <br />Antimony <br />0.0002 <br />mg /L <br />0.0002 <br />Arsenic <br />ND <br />mg /L <br />0.0004 <br />Chromium <br />0.0003 <br />mg /L <br />0.0003 <br />Copper <br />0.0007 <br />mg /L <br />0.0002 <br />Lead <br />ND <br />mg /L <br />4E -05 <br />Silver <br />ND <br />mg /L <br />0.0002 <br />Thallium <br />ND <br />mg /L <br />6E -05 <br />Uranium <br />ND <br />mg /L <br />4E -05 <br />Lab ID: LCS3 -42552 <br />8 Laboratory Control Sample <br />Run: ICPMS4- C_140915A <br />09/16/14 00:48 <br />Antimony <br />0.533 <br />mg /L <br />0.0010 <br />107 <br />85 <br />115 <br />Arsenic <br />0.499 <br />mg /L <br />0.0010 <br />100 <br />85 <br />115 <br />Chromium <br />0.505 <br />mg /L <br />0.0050 <br />101 <br />85 <br />115 <br />Copper <br />0.502 <br />mg /L <br />0.0050 <br />100 <br />85 <br />115 <br />Lead <br />0.514 <br />mg /L <br />0.0010 <br />103 <br />85 <br />115 <br />Silver <br />0.0524 <br />mg /L <br />0.0010 <br />105 <br />85 <br />115 <br />Thallium <br />0.492 <br />mg /L <br />0.00050 <br />98 <br />85 <br />115 <br />Uranium <br />0.531 <br />mg /L <br />0.00030 <br />106 <br />85 <br />115 <br />Lab ID: C14090226- 001DMS3 <br />8 Sample Matrix Spike <br />Run: ICPMS4- C_140915A <br />09/16/14 01:40 <br />Antimony <br />0.534 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 <br />Arsenic <br />0.495 <br />mg /L <br />0.0010 <br />99 <br />70 <br />130 <br />Chromium <br />0.507 <br />mg /L <br />0.0050 <br />101 <br />70 <br />130 <br />Copper <br />0.493 <br />mg /L <br />0.0050 <br />98 <br />70 <br />130 <br />Lead <br />0.522 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Silver <br />0.0522 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Thallium <br />0.476 <br />mg /L <br />0.00050 <br />95 <br />70 <br />130 <br />Uranium <br />0.610 <br />mg /L <br />0.00030 <br />110 <br />70 <br />130 <br />Lab ID: C14090226- 001DMSD <br />8 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_140915A <br />09/16/14 01:44 <br />Antimony <br />0.532 <br />mg /L <br />0.0010 <br />106 <br />70 <br />130 0.5 <br />20 <br />Arsenic <br />0.490 <br />mg /L <br />0.0010 <br />98 <br />70 <br />130 1.0 <br />20 <br />Chromium <br />0.495 <br />mg /L <br />0.0050 <br />99 <br />70 <br />130 2.4 <br />20 <br />Copper <br />0.484 <br />mg /L <br />0.0050 <br />97 <br />70 <br />130 1.7 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting <br />limit. <br />MDC - Minimum detectable concentration <br />Page 14 of 26 <br />