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www.energvlab.com ( Helena,MT 877-472-0711 •Billings,MT 808-735-4489•Casper,WY 888-235-0515 <br /> - Ab Oh Excailirrcasl=lw J Gillette,WY 866-686-7175•Rapid City,SO 888-672-1225•College Station,T%888-696-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/24/14 <br /> Project: Schwartz-SW 6/2/14 S27527 TH S27533 Work Order: C14060071 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Batch:41575 <br /> Lab ID: C14060071-001 DMS3 10 Sample Matrix Spike Run: ICPMS4-C_140612A 06/12/14 22:35 <br /> Uranium 0.539 mg/L 0.00030 107 70 130 <br /> Zinc 0.499 mg/L 0.010 99 70 130 <br /> Lab ID: C1 4060071-001 DMSD 10 Sample Matrix Spike Duplicate Run: ICPMS4-C_140612A 06/12/14 22:38 <br /> Aluminum 3.05 mg/L 0.030 92 70 130 2.5 20 <br /> Antimony 0.521 mg/L 0.0010 104 70 130 3.0 20 <br /> Boron 0.543 mg/L 0.050 104 70 130 1.6 20 <br /> Iron 3.08 mg/L 0.030 93 70 130 2.1 20 <br /> Lead 0.494 mg/L 0.0010 99 70 130 2.8 20 <br /> Manganese 2.50 mg/L 0.0010 98 70 130 2.2 20 <br /> Molybdenum 0.485 mg/L 0.0010 97 70 130 3.1 20 <br /> Thallium 0.447 mg/L 0.00050 89 70 130 1.5 20 <br /> Uranium 0.530 mg/L 0.00030 106 70 130 1.7 20 <br /> Zinc 0.489 mg/L 0.010 97 70 130 2.0 20 <br /> Method: E200.8 Analytical Run: ICPMS4-C_140618B <br /> Lab ID: ICV 2 Initial Calibration Verification Standard 06/18/14 14:09 <br /> Copper 0.0519 mg/L 0.0010 104 90 110 <br /> Silver 0.0200 mg/L 0.0010 100 90 110 <br /> Method: E200.8 Batch:41575 <br /> Lab ID: MB-41575 2 Method Blank Run: ICPMS4-C 140618B 06/19/14 03:31 <br /> Copper 0.0009 mg/L 0.0002 <br /> Silver ND mg/L 0.0002 <br /> Lab ID: LCS3-41575 2 Laboratory Control Sample Run: ICPMS4-C_140618B 06/19/14 03:36 <br /> Copper 0.479 mg/L 0.0050 96 85 115 <br /> Silver 0.0480 mg/L 0.0010 96 85 115 <br /> Lab ID: C14060071-001 DMS3 2 Sample Matrix Spike Run: ICPMS4-C_140618B 06/19/14 03:48 <br /> Copper 0.470 mg/L 0.0050 94 70 130 <br /> Silver 0.0481 mg/L 0.0010 96 70 130 <br /> Lab ID: C14060071-001 DMSD 2 Sample Matrix Spike Duplicate Run: ICPMS4-C_140618B 06/19/14 04:08 <br /> Copper 0.463 mg/L 0.0050 92 70 130 1.6 20 <br /> Silver 0.0488 mg/L 0.0010 98 70 130 1.6 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 21 of 38 <br />