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• E " www.enereab.com Helena, MT 877-472 -0711 • Billings, MT 000 - 735-4409 • Casper, WY 888- 235 -0515 <br />�007 r2 Gillette, wY 866 -606 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />09/30/14 <br />Project: <br />Schwartz -SW 9/4/14 S27661 <br />Work <br />Order: <br />C14090226 <br />Analyte <br />Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit <br />RPD <br />RPDLimit Qual <br />Method: <br />E200.8 <br />Batch: 42552 <br />Lab ID: <br />C14090226 -001 DMSD <br />8 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_140915A <br />09/16/14 01:44 <br />Lead <br />0.517 <br />mg /L <br />0.0010 <br />103 <br />70 <br />130 <br />0.9 <br />20 <br />Silver <br />0.0534 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 <br />2.5 <br />20 <br />Thallium <br />0.452 <br />mg /L <br />0.00050 <br />90 <br />70 <br />130 <br />5.2 <br />20 <br />Uranium <br />0.602 <br />mg /L <br />0.00030 <br />109 <br />70 <br />130 <br />1.4 <br />20 <br />Method: <br />E200.8 <br />Analytical Run: ICPMS4- C_140925B <br />Lab ID: <br />ICV <br />5 Initial Calibration <br />Verification Standard <br />09/25/14 14:26 <br />Antimony <br />0.0494 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Copper <br />0.0510 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Thallium <br />0.0497 <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 />Zinc <br />0.0527 <br />mg /L <br />0.0010 <br />105 <br />90 <br />110 <br />Method: <br />E200.8 <br />Batch: R191615 <br />Lab ID: <br />LRB <br />5 Method Blank <br />Run: ICPMS4 -C 140925B <br />09/25/14 16:48 <br />Antimony <br />ND <br />mg /L <br />0.0001 <br />Copper <br />ND <br />mg /L <br />3E -05 <br />Thallium <br />ND <br />mg /L <br />6E -05 <br />Uranium <br />ND <br />mg /L <br />9E -06 <br />Zinc <br />ND <br />mg /L <br />0.0002 <br />Lab ID: <br />LFB <br />5 Laboratory Fortified Blank <br />Run: ICPMS4- C_140925B <br />09/25/14 16:55 <br />Antimony <br />0.0549 <br />mg /L <br />0.0010 <br />110 <br />85 <br />115 <br />Copper <br />0.0552 <br />mg /L <br />0.0010 <br />110 <br />85 <br />115 <br />Thallium <br />0.0538 <br />mg /L <br />0.0010 <br />108 <br />85 <br />115 <br />Uranium <br />0.0527 <br />mg /L <br />0.00030 <br />105 <br />85 <br />115 <br />Zinc <br />0.0561 <br />mg /L <br />0.0010 <br />112 <br />85 <br />115 <br />Lab ID: <br />C14090670- 001BMS4 <br />5 Sample Matrix Spike <br />Run: ICPMS4- C_140925B <br />09/26/14 07:50 <br />Antimony <br />0.277 <br />mg /L <br />0.0010 <br />111 <br />70 <br />130 <br />Copper <br />0.256 <br />mg /L <br />0.0050 <br />100 <br />70 <br />130 <br />Thallium <br />0.260 <br />mg /L <br />0.00050 <br />104 <br />70 <br />130 <br />Uranium <br />0.518 <br />mg /L <br />0.00030 <br />111 <br />70 <br />130 <br />Zinc <br />0.269 <br />mg /L <br />0.010 <br />104 <br />70 <br />130 <br />Lab ID: <br />014090670 -001 BMSD <br />5 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_140925B <br />09/26/14 07:53 <br />Antimony <br />0.270 <br />mg /L <br />0.0010 <br />108 <br />70 <br />130 <br />2.4 <br />20 <br />Copper <br />0.254 <br />mg /L <br />0.0050 <br />100 <br />70 <br />130 <br />0.7 <br />20 <br />Thallium <br />0.259 <br />mg /L <br />0.00050 <br />104 <br />70 <br />130 <br />0.3 <br />20 <br />Uranium <br />0.514 <br />mg /L <br />0.00030 <br />110 <br />70 <br />130 <br />0.8 <br />20 <br />Zinc <br />0.269 <br />mg /L <br />0.010 <br />104 <br />70 <br />130 <br />0.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 15 of 26 <br />