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► www.ererdeb.com Helena, MT 871 -472 -0711 • Billings, W 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />- Slat• 1931 Gillette, WY 888 - 888 -7115 •Rapid City, SD 888 -812 -1225 •College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/06/13 <br />Project: Schwartz GW 1/22/13 SSTF: S26783 Collection Date: 01/22/13 12:00 <br />Lab ID: 013010694 -001 DateReceived: 01/23/13 <br />Client Sample ID: Domestic Well Matrix: Aqueous <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 304 mg /L <br />METALS - DISSOLVED <br />10 A2540 C 01/24/13 15:09 / jz <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />MCL/ <br />01/24/13 16:11 / clm <br />Analyses <br />Result <br />Units <br />Qualifiers RL <br />QCL Method <br />_ Analysis Date I By <br />MAJOR IONS <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />01/24/1316:11 /cim <br />Alkalinity, Total as CaCO3 <br />127 <br />mg /L <br />1 <br />A2320 B <br />01 /23/13 18:00 / jba <br />Bicarbonate as HCO3 <br />155 <br />mg /L <br />1 <br />A2320 B <br />01 /23/13 18:00 / jba <br />Calcium <br />64.3 <br />mg /L <br />0.1 <br />E200.7 <br />01/25/13 19:29 / sf <br />Chloride <br />34 <br />mg /L <br />3 <br />E300.0 <br />01 /25/13 11:38 / we <br />Magnesium <br />17.2 <br />mg /L <br />0.1 <br />E200.7 <br />01 /25/13 19:29 / sf <br />Nitrogen, Nitrate +Nitrite as N <br />0.5 <br />mg /L <br />0.1 <br />E353.2 <br />01/25/13 11:22 / eli -b <br />Phosphorus, Total as P <br />ND <br />mg /L <br />0.01 <br />E365.1 <br />01/28/13 14:24 / eli -b <br />Potassium <br />2.4 <br />mg /L <br />0.1 <br />E200.7 <br />01/25/13 19:29 / sf <br />Sodium <br />16.8 <br />mg /L <br />D 0.3 <br />E200.7 <br />01/25/13 19:29 / sf <br />Sulfate <br />74 <br />mg /L <br />5 <br />E300.0 <br />01/25/13 11:38 / we <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 304 mg /L <br />METALS - DISSOLVED <br />10 A2540 C 01/24/13 15:09 / jz <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.8 <br />01/24/13 16:11 / clm <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />01/24/13 16:11 / cim <br />Copper <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />01/24/1316:11 /cim <br />Iron <br />0.03 <br />mg /L <br />0.03 <br />E200.7 <br />01/25/13 19:29 / sf <br />Manganese <br />0.020 <br />mg /L <br />0.005 <br />E200.8 <br />01/24/1316:11 /clm <br />Molybdenum <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />01/24/1316:11 /clm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />01/24/1316:11 /clm <br />Uranium <br />0.0183 <br />mg /L <br />0.0002 <br />E200.8 <br />01/24/13 16:11 / clm <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />01/24/13 16:11 / clm <br />METALS-TOTAL <br />Aluminum <br />ND <br />mg /L <br />0.2 <br />E200.7 <br />01/25/13 20:26 / sf <br />Antimony <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />01/25/13 23:33 / clm <br />Arsenic <br />ND <br />mg /L <br />0.001 <br />E200.8 <br />01/25/13 23:33 / clm <br />Copper <br />0.012 <br />mg /L <br />B 0.001 <br />E200.7 <br />01/25/13 20:26 / sf <br />Iron <br />0.17 <br />mg /L <br />0.03 <br />E200.7 <br />01/25/13 20:26 / sf <br />Lead <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />01/25/13 23:33 / clm <br />Manganese <br />0.022 <br />mg /L <br />0.005 <br />E200.7 <br />01/25/13 20:26 / sf <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />01/25/13 10:29 / jrm <br />Silver <br />0.00008 <br />mg /L <br />B 0.00005 <br />E200.8 <br />01/25/13 23:33 / cim <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />01/25/13 23:33 / cim <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200.7 <br />01/25/13 20:26 / sf <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.34 <br />pCi /L <br />E903.0 <br />01/30/13 06:28 / Imc <br />Radium 226 precision ( ±) <br />0.17 <br />pCi /L <br />E903.0 <br />01/30/13 06:28 / Imc <br />Radium 226 MDC <br />0.21 <br />pCi /L <br />E903.0 <br />01/30/13 06:28 / Imc <br />Report RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. <br />ND - Not detected at the reporting <br />limit. <br />MDC - Minimum detectable concentration <br />B - The analyte <br />was detected in the method blank. <br />D - RL increased due to sample matrix. <br />Page 3 of 19 <br />