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www.Mdob.com ( Helena, MT 811472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -0515 <br />Gillette, WY 866 -666 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/03/14 <br />Project: Schwartz GW 12/23/13 S27306 Collection Date: 12/23/13 09:45 <br />Lab ID: C13120854 -001 DateReceived: 12/24/13 <br />Client Sample ID: Mine Refill (S27306) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />MAJOR IONS <br />mg /L <br />0.03 E200.7 <br />12/30/13 16:13 / sf <br />Antimony <br />ND <br />Alkalinity, Total as CaCO3 <br />529 <br />mg /L <br />H 1 <br />A2320 B <br />01/13/14 15:45 / jba <br />Bicarbonate as HCO3 <br />645 <br />mg /L <br />H 1 <br />A2320 B <br />01/13/14 15:45 / jba <br />Calcium <br />346 <br />mg /L <br />1 <br />E200.7 <br />12/27/13 16:14 / sf <br />Chloride <br />24 <br />mg /L <br />D 2 <br />E300.0 <br />12/26/13 19:32 / we <br />Fluoride <br />0.7 <br />mg /L <br />0.1 <br />A4500 -F C <br />01 /13/14 12:10 / jba <br />Magnesium <br />222 <br />mg /L <br />1 <br />E200.7 <br />12/27/13 16:14 / sf <br />Nitrogen, Nitrate +Nitrite as N <br />ND <br />mg /L <br />0.1 <br />E353.2 <br />01/15/14 10:25 / eli -b <br />Phosphorus, Total as P <br />0.01 <br />mg /L <br />H 0.01 <br />E365.1 <br />01/20/14 13:20 / eli -b <br />Potassium <br />25 <br />mg /L <br />1 <br />E200.7 <br />12/27/13 16:14 / sf <br />Sodium <br />148 <br />mg /L <br />1 <br />E200.8 <br />12/30/13 20:54 / cp <br />Sulfate <br />1580 <br />mg /L <br />D 8 <br />E300.0 <br />12/26/13 19:32 / we <br />NON - METALS <br />Organic Carbon, Total (TOC) <br />6.3 <br />mg /L <br />0.5 <br />A5310 C <br />12/30/13 09:12 / jba <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C <br />2870 <br />mg /L <br />10 <br />A2540 C <br />12/26/13 15:11 / alp <br />Solids, Total Suspended TSS @ 105 C <br />ND <br />mg /L <br />H 10 <br />A2540 D <br />01/13/14 14:21 / alp <br />METALS - DISSOLVED <br />Aluminum <br />ND <br />mg /L <br />0.03 <br />E200.8 <br />12/30/13 20:54 / cp <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />12/30/13 20:54 / cp <br />Arsenic <br />0.005 <br />mg /L <br />0.001 <br />E200.8 <br />12/30/13 20:54 / cp <br />Barium <br />ND <br />mg /L <br />0.05 <br />E200.7 <br />12/27/13 16:14 / sf <br />Copper <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />12/30/13 20:54 / cp <br />Iron <br />2.78 <br />mg /L <br />0.03 <br />E200.7 <br />12/27/13 16:14 / sf <br />Manganese <br />2.76 <br />mg /L <br />D 0.005 <br />E200.7 <br />12/27/13 16:14 / sf <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E200.8 <br />12/30/13 20:54 / cp <br />Molybdenum <br />0.035 <br />mg /L <br />0.001 <br />E200.8 <br />12/30/13 20:54 / cp <br />Silver <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />12/30/13 20:54 / cp <br />Thallium <br />ND <br />mg /L <br />0.0005 <br />E200.8 <br />12/30/13 20:54 / cp <br />Uranium <br />2.11 <br />mg /L <br />0.0003 <br />E200.8 <br />12/30/13 20:54 / cp <br />Zinc <br />0.01 <br />mg /L <br />0.01 <br />E200.7 <br />12/27/13 16:14 / sf <br />METALS -TOTAL <br />Aluminum <br />0.05 <br />mg /L <br />0.03 E200.7 <br />12/30/13 16:13 / sf <br />Antimony <br />ND <br />mg /L <br />0.001 E200.8 <br />01/03/14 19:48 / clm <br />Arsenic <br />0.016 <br />mg /L <br />0.001 E200.8 <br />12/31/13 04:11 / cp <br />Barium <br />ND <br />mg /L <br />0.05 E200.7 <br />12/30/13 16:13 / sf <br />Boron <br />0.30 <br />mg /L <br />0.05 E200.7 <br />12/30/13 16:13 / sf <br />Chromium <br />ND <br />mg /L <br />0.005 E200.7 <br />12/30/13 16:13 / sf <br />Copper <br />ND <br />mg /L <br />0.005 E200.7 <br />12/30/13 16:13 / sf <br />Iron <br />4.00 <br />mg /L <br />0.03 E200.7 <br />12/30/13 16:13 / sf <br />Lead <br />ND <br />mg /L <br />0.001 E200.8 <br />12/31/13 04:11 / cp <br />Report <br />RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: <br />QCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />D - RL increased due to sample matrix. <br />H - Analysis performed past recommended holding time. <br />Page 3 of 31 <br />