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wwmenergylab.com I Helena, MT 877 - 472 -0711 • Billings, W 800 - 735 -4489 • Casper, WY 888- 235 -8515 <br />f Sks IM J) Gillette, WY 866 -606 -7175 • Rapid City, SD 886 -672 -1225 • College Station, TX 888- 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 5/20/13 S26987 & S26988 <br />5 Laboratory Fortified Blank <br />Batch: R174380 <br />Sample ID: LRB <br />Report Date: <br />Work Order: <br />06/13/13 <br />C13050760 <br />Analyte <br />Count Result <br />Units <br />RL <br />° /.REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.8 <br />Molybdenum <br />ND <br />mg /L <br />4E -05 <br />Thallium <br />Analytical Run: <br />ICPMS2- C_130604A <br />Sample ID: ICV <br />5 Initial Calibration Verification <br />Standard <br />mg /L <br />1 E -05 <br />Thallium <br />06/04/13 16:26 <br />Aluminum <br />0.0495 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />0.00030 <br />Antimony <br />0.0533 <br />mg /L <br />0.0010 <br />107 <br />90 <br />110 <br />Molybdenum <br />0.0517 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />70 130 <br />Thallium <br />0.0515 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Uranium <br />0.0510 <br />mg /L <br />0.00030 <br />102 <br />90 <br />110 <br />Method: E200.8 <br />5 Laboratory Fortified Blank <br />Batch: R174380 <br />Sample ID: LRB <br />5 Method Blank <br />06/04/13 15:48 <br />Run: ICPMS2- C_130604A 06/04/13 15:45 <br />Aluminum <br />ND <br />mg /L <br />0.001 <br />Antimony <br />0.0001 <br />mg /L <br />6E -05 <br />Molybdenum <br />ND <br />mg /L <br />4E -05 <br />Thallium <br />ND <br />mg /L <br />9E -06 <br />Uranium <br />3E -05 <br />mg /L <br />1 E -05 <br />Sample ID: LFB <br />5 Laboratory Fortified Blank <br />Run: ICPMS2- C_130604A <br />06/04/13 15:48 <br />Aluminum <br />0.0522 mg /L <br />0.0010 <br />104 <br />85 115 <br />Antimony <br />00526 mg /L <br />0.0010 <br />105 <br />85 115 <br />Molybdenum <br />0.0540 mg /L <br />0.0010 <br />108 <br />85 115 <br />Thallium <br />0.0540 mg /L <br />0.0010 <br />108 <br />85 115 <br />Uranium <br />0.0541 mg /L <br />0.00030 <br />108 <br />85 115 <br />Sample lD: C13050681- 001CMS4 <br />5 Sample Matrix Spike <br />Run: ICPMS2- C_130604A <br />06/04/13 16:49 <br />Aluminum <br />0.0913 mg /L <br />0.030 <br />96 <br />70 130 <br />Antimony <br />0.0556 mg /L <br />0.0010 <br />111 <br />70 130 <br />Molybdenum <br />0.0533 mg /L <br />0.0010 <br />105 <br />70 130 <br />Thallium <br />0.0544 mg /L <br />0.00050 <br />109 <br />70 130 <br />Uranium <br />0.0555 mg /L <br />0.00030 <br />108 <br />70 130 <br />Sample ID: C13050681- 001CMSD4 <br />5 Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130604A <br />06/04/13 16:52 <br />Aluminum <br />0.0924 mg /L <br />0.030 <br />99 <br />70 130 <br />1.2 <br />20 <br />Antimony <br />0.0557 mg /L <br />0.0010 <br />111 <br />70 130 <br />0.1 <br />20 <br />Molybdenum <br />0.0529 mg /L <br />0.0010 <br />105 <br />70 130 <br />0.8 <br />20 <br />Thallium <br />0.0542 mg /L <br />0.00050 <br />108 <br />70 130 <br />0.4 <br />20 <br />Uranium <br />0.0560 mg /L <br />0.00030 <br />109 <br />70 130 <br />0.9 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 11 of 24 <br />