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www.ewgylab.com Helena,MT 877472-0711 -Billings,MT 800-7354480-Casper,WY 888-235-0515 <br /> - Aas"aE=00mwSk a rest Gillette,WY 866-666-7175-Rapid City,SD 888-672-1225-College Station,TX 888-680-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/13/14 <br /> Project: Schwartz-GW 4/23/14 S27445 Work Order: C14040728 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLlimit Clual <br /> Method: E200.8 Batch:41208 <br /> Lab ID: C14040721-001BMS3 10 Sample Matrix Spike Run: ICPMS4-C_140430A 04/30/14 21:23 <br /> Thallium 0.488 mg/L 0.00050 98 70 130 <br /> Zinc 0.517 mg/L 0.010 102 70 130 <br /> Lab ID: C1 4040721-001 BMSD 10 Sample Matrix Spike Duplicate Run: ICPMS4-C_140430A 04/30/14 21:26 <br /> Aluminum 3.54 mg/L 0.030 141 70 130 42 20 SR <br /> Antimony 0.588 mg/L 0.0010 118 70 130 1.6 20 <br /> Arsenic 0.490 mg/L 0.0010 97 70 130 2.3 20 <br /> Copper 0.447 mg/L 0.0050 89 70 130 4.8 20 <br /> Iron 2.50 mg/L 0.030 97 70 130 1.8 20 <br /> Lead 0.496 mg/L 0.0010 99 70 130 3.1 20 <br /> Manganese 2.54 mg/L 0.0010 102 70 130 0.2 20 <br /> Silver 0.0481 mg/L 0.0010 96 70 130 0.2 20 <br /> Thallium 0.483 mg/L 0.00050 97 70 130 1.1 20 <br /> Zinc 0.504 mg/L 0.010 99 70 130 2.6 20 <br /> Method: E200.8 Batch: R186077 <br /> Lab ID: LRB Method Blank Run: ICPMS4-C_140430A 04/30/14 18:51 <br /> Thallium 0.0006 mg/L 6E-05 <br /> Lab ID: LFB-filtered-prewa Laboratory Fortified Blank Run: ICPMS4-C_140430A 04/30/14 18:56 <br /> Thallium 0.0487 mg/L 0.0010 96 85 115 <br /> Lab ID: C14040716-005BMS4 Sample Matrix Spike Run: ICPMS4-C_140430A 05/01/14 04:24 <br /> Thallium 0.107 mg/L 0.00050 107 70 130 <br /> Lab ID: C14040716-005BMSD Sample Matrix Spike Duplicate Run: ICPMS4-C_140430A 05/01/14 04:29 <br /> Thallium 0.105 mg/L 0.00050 105 70 130 2.3 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration R-RPD exceeds advisory limit. <br /> S-Spike recovery outside of advisory limits. <br /> Page 11 of 20 <br />