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www.energylab.com Helena,AST 877472-0711 •Billings,MT 808-735-4489•Casper,WY 888-235-0515 <br /> is Gillette,WY 866-686-7175•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: Cotter Corporation Report Date: 06/02/14 <br /> Project: Schwartz-SW 5/1/14 S27472 thru S27475 and S27467 Work Order: C14050155 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run: ICPMS4-C_140513A <br /> Lab ID: ICV Initial Calibration Verification Standard 05/13/14 17:00 <br /> Chromium 0.0505 mg/L 0.0010 101 90 110 <br /> Method: E200.8 Batch:41320 <br /> Lab ID: MB-41320 Method Blank Run: ICPMS4-C_140513A 05/13/14 20:38 <br /> Chromium 0.0008 mg/L 0.0003 <br /> Lab ID: LCS3-41320 Laboratory Control Sample Run: ICPMS4-C_140513A 05/13/14 20:42 <br /> Chromium 0.478 mg/L 0.0050 96 85 115 <br /> Lab ID: C14050155-005DMS3 Sample Matrix Spike Run: ICPMS4-C_140513A 05/13/14 20:54 <br /> Chromium 0.464 mg/L 0.0050 93 70 130 <br /> Lab ID: C14050155-005DMSD Sample Matrix Spike Duplicate Run: ICPMS4-C_140513A 05/13/14 20:57 <br /> Chromium 0.467 mg/L 0.0050 93 70 130 0.7 20 <br /> Method: E200.8 Analytical Run: ICPMS4-C_140530A <br /> Lab ID: ICV Initial Calibration Verification Standard 05/30/14 12:50 <br /> Uranium 0.0500 mg/L 0.00030 100 90 110 <br /> Method: E200.8 Batch: R187074 <br /> Lab ID: LRB Method Blank Run: ICPMS4-C_140530A 05/30/14 12:58 <br /> Uranium 5E-05 mg/L 9E-06 <br /> Lab ID: LFB-filtered Laboratory Fortified Blank Run: ICPMS4-C_140530A 05/30/14 12:59 <br /> Uranium 0.0519 mg/L 0.00030 104 85 115 <br /> Lab ID: C14050155-002AMS Sample Matrix Spike Run: ICPMS4-C_140530A 05/30/14 15:11 <br /> Uranium 0.0597 mg/L 0.00030 96 70 130 <br /> Lab ID: C14050155-002AMSD Sample Matrix Spike Duplicate Run: ICPMS4-C_140530A 05/30/14 15:12 <br /> Uranium 0.0650 mg/L 0.00030 106 70 130 8.4 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 21 of 35 <br />