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• www.enerdab.com Helena, W 877- 472 -0711 • Billings, MT B00- 735 -4489 • Casper, WY 888 - 235 -0515 <br />An"WEusibm M- log Gillette, WY 866 -686 -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 <br />Project: Schwartz GW 5/23/2013 S26999 & S27000 <br />Lab ID: C13050906 -001 <br />Client Sample ID: MW -2 (S26999) <br />Report Date: 06/19/13 <br />Collection Date: 05/23/13 10:50 <br />Date Received : 05/24/13 <br />Matrix: Aqueous <br />METALS - DISSOLVED <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />MCL/ <br />06/04/13 19:50 / elm <br />Analyses <br />Result <br />Units <br />Qualifiers RL <br />QCL Method <br />Analysis Date / By <br />Copper <br />0.002 <br />mg /L <br />0.001 <br />E200.8 <br />06/04/13 19:50 / elm <br />MAJOR IONS <br />ND <br />mg /L <br />0.03 <br />E200.7 <br />06/07/13 20:45 / sf <br />Alkalinity, Total as CaCO3 <br />58 <br />mg /L <br />1 <br />A2320 B <br />05/24/13 18:39 / we <br />Bicarbonate as HCO3 <br />71 <br />mg /L <br />1 <br />A2320 B <br />05/24/13 18:39 / we <br />Calcium <br />31.9 <br />mg /L <br />0.1 <br />E200.7 <br />06/07/13 20:45 / sf <br />Chloride <br />34 <br />mg /L <br />3 <br />E300.0 <br />05/29/13 04:42 / we <br />Magnesium <br />9.4 <br />mg /L <br />0.1 <br />E200.7 <br />06/07/13 20:45 / sf <br />Nitrogen, Nitrate +Nitrite as N <br />0.3 <br />mg /L <br />0.1 <br />E353.2 <br />05/28/13 11:01 / Ir <br />Phosphorus, Total as P <br />ND <br />mg /L <br />0.01 <br />E365.1 <br />05/31/13 16:34 / eli -b <br />Potassium <br />1.8 <br />mg /L <br />0.1 <br />E200.7 <br />06/11/13 16:49 / sf <br />Sodium <br />13.2 <br />mg /L <br />D 0.4 <br />E200.7 <br />06/07/13 20:45 / sf <br />Sulfate <br />32 <br />mg /L <br />5 <br />E300.0 <br />05/29/13 04:42 / we <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C <br />179 <br />mg /L <br />10 <br />A2540 C <br />05/29/13 15:56 / ab <br />METALS - DISSOLVED <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.8 <br />06/04/13 19:50 / elm <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />06/04/13 19:50 / elm <br />Copper <br />0.002 <br />mg /L <br />0.001 <br />E200.8 <br />06/04/13 19:50 / elm <br />Iron <br />ND <br />mg /L <br />0.03 <br />E200.7 <br />06/07/13 20:45 / sf <br />Manganese <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />06/04/13 19:50 / elm <br />Molybdenum <br />0.009 <br />mg /L <br />0.005 <br />E200 8 <br />06/04/13 19:50 / elm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />06/04/13 19:50 / elm <br />Uranium <br />0.0291 <br />mg /L <br />0.0002 <br />E200.8 <br />06/04/13 19:50 / elm <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />06/04/13 19:50 / elm <br />METALS-TOTAL <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.7 <br />06/11/13 18:49 / sf <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />06/12/13 01:34 / cp <br />Arsenic <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />06/17/13 18:54 / elm <br />Copper <br />0.002 <br />mg /L <br />0.001 <br />E200.8 <br />06/12/13 01:34 / cp <br />Iron <br />ND <br />mg /L <br />0.03 <br />E200.7 <br />06/11/13 18:49 / sf <br />Lead <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />06/12/13 01:34 / cp <br />Manganese <br />ND <br />mg /L <br />0.005 <br />E200.7 <br />06/11/13 18:49 / sf <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />05/29/13 1641 / jl1 <br />Silver <br />0.00041 <br />mg /L <br />D 0.00008 <br />E200.8 <br />06/12/13 01:34 / cp <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />06/12/13 01:34 / cp <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200.7 <br />06/11/13 18:49 / sf <br />Report <br />RL - Analyte reporting limit. <br />MCL - Maximum contaminant <br />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 />Page 3 of 24 <br />