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www.enerdab.com ( Helena, W 877- 472 -0711 - Billings, MT 800- 735 -4489 - Casper, Wy 888 - 235 -0515 <br />f'r J Gillette, wY 866 -606 -7175 - Rapid City, So 888- 672 -1225 • College Station, Tx 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 08/08/13 <br />Project: Schwartz -GW 7/10/13 S27017 Collection Date: 07/10/13 11:35 <br />Lab ID: 013070431 -001 DateReceived: 07/11/13 <br />Client Sample ID: MW -19 (S27017) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaCO3 <br />209 <br />mg /L <br />1 <br />A2320 B <br />07/11/13 23:52 / jba <br />Bicarbonate as HCO3 <br />255 <br />mg /L <br />1 <br />A2320 B <br />07/11/13 23:52 / jba <br />Calcium <br />137 <br />mg /L <br />0.1 <br />E200.7 <br />07/25/13 19:17 / sf <br />Chloride <br />16 <br />mg /L <br />3 <br />E300.0 <br />07/13/13 00:01 / we <br />Magnesium <br />67.6 <br />mg /L <br />0.1 <br />E200.7 <br />07/25/13 19:17 / sf <br />Nitrogen, Nitrate +Nitrite as N <br />3.9 <br />mg /L <br />0.1 <br />E353.2 <br />07/15/13 09:53 / eli -b <br />Phosphorus, Total as P <br />0.03 <br />mg /L <br />0.01 <br />E365.1 <br />07/17/13 10:12 / eli -b <br />Potassium <br />4.8 <br />mg /L <br />0.1 <br />E200.7 <br />07/25/13 19:17 / sf <br />Sodium <br />39.0 <br />mg /L <br />D <br />0.4 <br />E200.7 <br />07/25/13 19:17 / sf <br />Sulfate <br />439 <br />mg /L <br />5 <br />E300.0 <br />07/13/13 00:01 / we <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C <br />926 <br />mg /L <br />10 <br />A2540 C <br />07/15/13 14:55 / alp <br />METALS - DISSOLVED <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200 7 <br />07/25/13 19:17 / sf <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />07/31/13 18:08 / cp <br />Copper <br />0.001 <br />mg /L <br />0.001 <br />E200 8 <br />07/31/13 18:08 / cp <br />Iron <br />ND <br />mg /L <br />0.03 <br />E200.7 <br />07/25/13 19:17 / sf <br />Manganese <br />ND <br />mg /L <br />0.005 <br />E200.7 <br />07/25/13 19:17 / sf <br />Molybdenum <br />0.030 <br />mg /L <br />D <br />0.006 <br />E200.7 <br />07/25/13 19:17 / sf <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />07/31/13 18:08 / cp <br />Uranium <br />2.7 <br />mg /L <br />D <br />0.6 <br />E200.7 <br />07/25/13 19:17 / sf <br />Zinc <br />0.008 <br />mg /L <br />0.005 <br />E200.8 <br />07/31/13 18:08 / cp <br />METALS - TOTAL <br />Aluminum <br />09 <br />mg /L <br />0.2 <br />E200.7 <br />07/17/13 22:29 / sf <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />08/01/13 01:28 / cp <br />Arsenic <br />0.003 <br />mg /L <br />0.001 <br />E200.8 <br />08/01/13 01:28 / cp <br />Copper <br />0.004 <br />mg /L <br />0.001 <br />E200.8 <br />08/01/13 01:28 / cp <br />Iron <br />1.00 <br />mg /L <br />0.03 <br />E200.7 <br />07/17/13 22:29 / sf <br />Lead <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />08/01/13 01:28 / cp <br />Manganese <br />0.024 <br />mg /L <br />0.005 <br />E200.8 <br />08/01/13 01:28 / cp <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />07/16/13 16:05 / k1a <br />Silver <br />ND <br />mg /L <br />D <br />0.0004 <br />E200.8 <br />08/07/13 10:50 / cp <br />Thallium <br />0.0002 <br />mg /L <br />0.0002 <br />E200.8 <br />08/01/13 01:28 / cp <br />Zinc <br />0.010 <br />mg /L <br />0.005 <br />E200.8 <br />08/07/13 10.50 / cp <br />Report RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />D - RL increased due to sample matrix. <br />Page 3 of 20 <br />