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• www-ewgylab.com Helena, W 871 472 -0711 • Billings, W 800- 735 -4489 • Casper, WY 888- 235 -8515 <br />Rm IM Gillette, wy 866-686 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 868- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Revised Date: 03/06/14 <br />Client: Cotter Corporation Report Date: 02/24/14 <br />Project: Schwartz -SW 02/04/14 S27321 Work Order: C14020109 <br />[Analyte Count Result Units RL %FiEC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS2- C_140221A <br />Sample ID: ICV <br />6 Initial Calibration Verification Standard <br />02/21/14 13:29 <br />Antimony <br />00522 <br />mg /L <br />0.0010 <br />104 <br />90 <br />110 <br />Copper <br />0.0495 <br />mg /L <br />00010 <br />99 <br />90 <br />110 <br />Molybdenum <br />0.0500 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0190 <br />mg /L <br />0.0010 <br />95 <br />90 <br />110 <br />Thallium <br />00493 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Uranium <br />00500 <br />mg /L <br />0.00030 <br />100 <br />90 <br />110 <br />Method: E200.8 <br />Batch- R183881 <br />Sample ID: LRB <br />6 Method Blank <br />Run: ICPMS2 -C 140221A <br />02/21/14 14:15 <br />Antimony <br />0.0001 <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 />Sample ID: LFB <br />6 Laboratory Fortified Blank <br />Run: ICPMS2-C_1 40221 A <br />02/21/14 14:18 <br />Antimony <br />0.0481 <br />mg /L <br />0.0010 <br />96 <br />85 <br />115 <br />Copper <br />0.0533 <br />mg /L <br />0.0010 <br />107 <br />85 <br />115 <br />Molybdenum <br />0.0501 <br />mg /L <br />0.0010 <br />100 <br />85 <br />115 <br />Silver <br />0.0203 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Thallium <br />0.0532 <br />mg /L <br />0.0010 <br />106 <br />85 <br />115 <br />Uranium <br />0.0537 <br />mg /L <br />0.00030 <br />107 <br />85 <br />115 <br />Sample ID: 014020159- 001CMS4 <br />6 Sample Matrix <br />Spike <br />Run: ICPMS2-C_1 40221 A <br />02/21/14 21:28 <br />Antimony <br />0.0608 <br />mg /L <br />0.0010 <br />121 <br />70 <br />130 <br />Copper <br />0.0514 <br />mg /L <br />0.0050 <br />94 <br />70 <br />130 <br />Molybdenum <br />0.0890 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 <br />Silver <br />0.0173 <br />mg /L <br />0.0010 <br />86 <br />70 <br />130 <br />Thallium <br />0.0531 <br />mg /L <br />0.00050 <br />106 <br />70 <br />130 <br />Uranium <br />709 <br />mg /L <br />0.00030 <br />70 <br />130 <br />A <br />Sample ID: C14020159- 001CMSD4 <br />6 Sample Matrix <br />Spike Duplicate <br />Run: ICPMS2- C_140221A <br />02/21/14 21:32 <br />Antimony <br />0.0620 <br />mg /L <br />0.0010 <br />123 <br />70 <br />130 1.8 <br />20 <br />Copper <br />0.0527 <br />mg /L <br />0.0050 <br />96 <br />70 <br />130 2.6 <br />20 <br />Molybdenum <br />0.0913 <br />mg /L <br />0.0010 <br />112 <br />70 <br />130 2.5 <br />20 <br />Silver <br />0.0180 <br />mg /L <br />00010 <br />90 <br />70 <br />130 4.5 <br />20 <br />Thallium <br />0.0544 <br />mg /L <br />0.00050 <br />109 <br />70 <br />130 2.5 <br />20 <br />Uranium <br />7.27 <br />mg /L <br />000030 <br />70 <br />130 2.6 <br />20 A <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A -The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 14 of 27 <br />