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• www.mugylab.com Helena, MT 877- 472 -0711 • Billings, MT 808 -735 -4489 • Casper, WY 888- 235 -0515 <br />- M- f <br />10" A0rynarErr0 snr, teat Gillette, WY 886 -888 -7175 •Rapid City, SD 880 - 872 -1225 •College Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 05/01/13 <br />Project: Schwartz SW 4/03/13 S26860 Work Order: 013040198 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Analytical Run: ICPMS2- C_130409A <br />Sample ID: ICV 7 Initial Calibration Verification Standard 04/09/13 16:29 <br />Antimony <br />0.0508 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Arsenic <br />0.0473 <br />mg /L <br />0.0010 <br />95 <br />90 <br />110 <br />Copper <br />0.0478 <br />mg /L <br />0.0010 <br />96 <br />90 <br />110 <br />Lead <br />0.0482 <br />mg /L <br />0.0010 <br />96 <br />90 <br />110 <br />Silver <br />0.0190 <br />mg /L <br />0.0010 <br />95 <br />90 <br />110 <br />Thallium <br />0.0494 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Uranium <br />0.0488 <br />mg /L <br />0.00030 <br />98 <br />90 <br />110 <br />Method: E200.8 <br />Batch: 37059 <br />Sample ID: MB -37059 <br />7 <br />Method Blank <br />Run: ICPMS2- C_130409A <br />04/10/13 05:51 <br />Antimony <br />0.0006 <br />mg /L <br />6E -05 <br />Arsenic <br />0.001 <br />mg /L <br />0.00010 <br />Copper <br />0.0005 <br />mg /L <br />0.0001 <br />Lead <br />0.0005 <br />mg /L <br />3E -05 <br />Silver <br />0.0002 <br />mg /L <br />5E -05 <br />Thallium <br />0.0007 <br />mg /L <br />9E -06 <br />Uranium <br />ND <br />mg /L <br />1 E -05 <br />Sample ID: LCS3 -37059 <br />7 <br />Laboratory Control <br />Sample <br />Run: ICPMS2- C_130409A <br />04/10/13 05:54 <br />Antimony <br />0.54 <br />mg /L <br />0.0010 <br />108 <br />85 115 <br />Arsenic <br />0.49 <br />mg /L <br />0.0010 <br />98 <br />85 115 <br />Copper <br />0.49 <br />mg /L <br />0.010 <br />98 <br />85 115 <br />Lead <br />0.52 <br />mg /L <br />0.0010 <br />103 <br />85 115 <br />Silver <br />0.051 <br />mg /L <br />0.010 <br />101 <br />85 115 <br />Thallium <br />0.51 <br />mg /L <br />0.00040 <br />102 <br />85 115 <br />Uranium <br />0.54 <br />mg /L <br />0.00030 <br />108 <br />85 115 <br />Sample ID: C13040184- 001BMS3 <br />7 <br />Sample Matrix Spike <br />Run: ICPMS2- C_130409A <br />04/10/13 06:13 <br />Antimony <br />0.53 <br />mg /L <br />0.0010 <br />107 <br />70 130 <br />Arsenic <br />0.48 <br />mg /L <br />0.0010 <br />96 <br />70 130 <br />Copper <br />0.50 <br />mg /L <br />0.010 <br />95 <br />70 130 <br />Lead <br />0.53 <br />mg /L <br />0.0010 <br />105 <br />70 130 <br />Silver <br />0.050 <br />mg /L <br />0.010 <br />100 <br />70 130 <br />Thallium <br />0.52 <br />mg /L <br />0.00040 <br />104 <br />70 130 <br />Uranium <br />0.57 <br />mg /L <br />0.00030 <br />114 <br />70 130 <br />Sample ID: C13040184- 001BMSD <br />7 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130409A <br />04/10/13 06:29 <br />Antimony <br />0.53 <br />mg /L <br />0.0010 <br />107 <br />70 130 <br />0.1 <br />20 <br />Arsenic <br />0.48 <br />mg /L <br />0.0010 <br />96 <br />70 130 <br />0.4 <br />20 <br />Copper <br />0.49 <br />mg /L <br />0.010 <br />93 <br />70 130 <br />1.7 <br />20 <br />Lead <br />0.52 <br />mg /L <br />0.0010 <br />104 <br />70 130 <br />0.9 <br />20 <br />Silver <br />0.049 <br />mg /L <br />0.010 <br />99 <br />70 130 <br />1.2 <br />20 <br />Thallium <br />0.52 <br />mg /L <br />0.00040 <br />104 <br />70 130 <br />0.3 <br />20 <br />Uranium <br />0.57 <br />mg /L <br />0.00030 <br />113 <br />70 130 <br />0.7 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 12 of 25 <br />