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• www.enerdab.com Helena, W 677- 472 -0711 • Billings, MY 800- 7354489 • Casper, WY 888 - 235 -0513 <br />N1C' °rat Gillette, WY 866 -606 -7175 • Rapid City, SD 888 -672 -1225 • College Station, YX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/02/13 <br />Project: Schwartz SW 9/5/13 S27130 Work Order: 013090203 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />Batch: 38960 <br />Sample ID: C13090193- 005AMS3 12 Sample Matrix Spike <br />Run: ICPMS2- <br />C_130911A <br />09/11/13 20:38 <br />Copper <br />0.48 <br />mg /L <br />0.010 <br />94 <br />70 <br />130 <br />Lead <br />0.54 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 <br />Manganese <br />2.2 <br />mg /L <br />0.010 <br />88 <br />70 <br />130 <br />Molybdenum <br />0.55 <br />mg /L <br />0.10 <br />108 <br />70 <br />130 <br />Silver <br />0.048 <br />mg /L <br />0.010 <br />95 <br />70 <br />130 <br />Thallium <br />0.52 <br />mg /L <br />0.00040 <br />103 <br />70 <br />130 <br />Uranium <br />0.61 <br />mg /L <br />0.00030 <br />116 <br />70 <br />130 <br />Zinc <br />0.43 <br />mg /L <br />0.010 <br />86 <br />70 <br />130 <br />Sample ID: C13090193- 005AMSD 12 Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130911A <br />09/11/13 20:41 <br />Aluminum <br />2.3 <br />mg /L <br />0.10 <br />91 <br />70 <br />130 <br />0.6 <br />20 <br />Antimony <br />0.53 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 <br />3.2 <br />20 <br />Arsenic <br />0.48 <br />mg /L <br />0.0010 <br />95 <br />70 <br />130 <br />0.7 <br />20 <br />Chromium <br />0.45 <br />mg /L <br />0.050 <br />89 <br />70 <br />130 <br />0.2 <br />20 <br />Copper <br />0.48 <br />mg /L <br />0.010 <br />92 <br />70 <br />130 <br />1.6 <br />20 <br />Lead <br />0.52 <br />mg /L <br />0.0010 <br />105 <br />70 <br />130 <br />2.4 <br />20 <br />Manganese <br />2.2 <br />mg /L <br />0.010 <br />87 <br />70 <br />130 <br />0.8 <br />20 <br />Molybdenum <br />0.53 <br />mg /L <br />0.10 <br />105 <br />70 <br />130 <br />3.1 <br />20 <br />Silver <br />0.047 <br />mg /L <br />0.010 <br />93 <br />70 <br />130 <br />2.3 <br />20 <br />Thallium <br />0.51 <br />mg /L <br />0.00040 <br />101 <br />70 <br />130 <br />1.8 <br />20 <br />Uranium <br />0.60 <br />mg /L <br />0.00030 <br />114 <br />70 <br />130 <br />1.7 <br />20 <br />Zinc <br />0.43 <br />mg /L <br />0.010 <br />85 <br />70 <br />130 <br />1.2 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 14 of 25 <br />