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• - wweaeereatworn Helena,Wf 877472-0711 •Billings,MT 000-7354489•Casper,WY 808-235-0515 <br /> E"g"' nw 11ai Gillette,wY 866-686-7175•Rapid City,SG 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: 07/11/14 <br /> Project: Schwartz-GW 6/16/14 S27576 Work Order: C14060740 <br /> Anal Count Result Units RL %REC Low Limit High Limit RPD RPDLlimit Qual <br /> Method: E200.8 Analytical Run: ICPMS2-C_140623A <br /> Lab ID: ICV 5 Initial Calibration Verification Standard 06/23/14 18:01 <br /> Arsenic 0.0508 mg/L 0.0010 102 90 110 <br /> Barium 0.0503 mg/L 0.0010 101 90 110 <br /> Manganese 0.0503 mg/L 0.0010 101 90 110 <br /> Molybdenum 0.0497 mg/L 0.0010 99 90 110 <br /> Uranium 0.0500 mg/L 0.00030 100 90 110 <br /> Method: E200.8 Batch: R187858 <br /> Lab ID: LRB 5 Method Blank Run: ICPMS2-C_140623A 06/23/14 18:46 <br /> Arsenic ND mg/L 0.00010 <br /> Barium ND mg/L 3E-05 <br /> Manganese ND mg/L 2E-05 <br /> Molybdenum ND mg/L 4E-05 <br /> Uranium ND mg/L 1 E-05 <br /> Lab ID: LFB 5 Laboratory Fortified Blank Run: ICPMS2-C_140623A 06/23/14 18:49 <br /> Arsenic 0.0519 mg/L 0.0010 104 85 115 <br /> Barium 0.0527 mg/L 0.0010 105 85 115 <br /> Manganese 0.0522 mg/L 0.0010 104 85 115 <br /> Molybdenum 0.0536 mg/L 0.0010 107 85 115 <br /> Uranium 0.0521 mg/L 0.00030 104 85 115 <br /> Lab ID: C14060551-001 BMS4 5 Sample Matrix Spike Run: ICPMS2-C_140623A 06/23/14 23:19 <br /> Arsenic 0.521 mg/L 0.0012 104 70 130 <br /> Barium 0.554 mg/L 0.050 107 70 130 <br /> Manganese 1.33 mg/L 0.0010 104 70 130 <br /> Molybdenum 8.91 mg/L 0.0010 70 130 A <br /> Uranium 10.7 mg/L 0.0010 70 130 A <br /> Lab ID: C14060551-001BMSD 5 Sample Matrix Spike Duplicate Run: ICPMS2-C_140623A 06/23/14 23:22 <br /> Arsenic 0.528 mg/L 0.0012 105 70 130 1.3 20 <br /> Barium 0.551 mg/L 0.050 106 70 130 0.6 20 <br /> Manganese 1.31 mg/L 0.0010 100 70 130 1.7 20 <br /> Molybdenum 9.01 mg/L 0.0010 70 130 1.1 20 A <br /> Uranium 10.8 mg/L 0.0010 70 130 0.8 20 A <br /> Qualifiers: <br /> RL-Analyte reporting limit. A-The analyte level was greater than four times the spike level. In <br /> accordance with the method%recovery is not calculated. <br /> ND-Not detected at the reporting limit. MDC-Minimum detectable concentration <br /> Page 6 of 13 <br />