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www.ene dab.tom Helena, MT 677472-0711 • Billings, Nf 901-735-4488 • Casper, WY 888-235-0515 <br />- . - • flit Gillette, WY 866-666-7175 • Rapid City, SO 886-672-1225 • College Station, TX 888-680-2218 <br /> LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 07/02/10 <br />Project: Schwartzwalder Water Monitor ing Program Collection Date: 06/09/10 08:33 <br />Lab ID: C10060510-002 DateReceived: 06/11/10 <br />Client Sample ID: AWD Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifier RL QCL Method Analysis Date / By <br />MAJOR IONS <br />Alkalinity, Total as CaC03 49 mg/L 5 A2320 B 06/17/10 01:28 / Ir <br />Bicarbonate as HC03 60 mg/L 5 A2320 B 06/17/10 01:28 / Ir <br />Calcium 20.2 mg/L D 0.4 E200.7 06/15/10 12:47 / cp <br />Chloride 24 mg/L 3 A4500-CI B 06/15/10 12:18 / Ir <br />Magnesium 5.6 mg/L 0.1 E200.7 06/15/10 12:47 / cp <br />Potassium 1.6 mg/L 0.1 E200.7 06/15/10 12:47 / cp <br />Sodium 9.7 mg/L D 0.6 E200.7 06/15/10 12:47 / cp <br />Sulfate 12 mg/L 1 A4500-S04 E 06/22/10 10:37 / Ir <br />PHYSICAL PROPERTIES <br />Solids, Total Dissolved TDS @ 180 C 136 mg/L 10 A2540 C 06/14/10 09:54 / kre <br />METALS - DISSOLVED <br />Aluminum ND mg/L 0.2 E200.8 06/15/10 04:41 / is <br />Antimony ND mg/L 0.001 E200.8 06/15/10 04:41 / is <br />Copper ND mg/L 0.005 E200.8 06/15/10 04:41 / is <br />Iron 0.07 mg/L 0.03 E200.7 06/15/10 12:47 / cp <br />Manganese ND mg/L 0.01 E200.8 06/15/10 04:41 / is <br />Molybdenum ND mg/L 0.005 E200.8 06/15/10 04:41 / is <br />Thallium ND mg/L 0.001 E200.8 06/15/10 04:41 / is <br />Uranium 0.0016 mg/L 0.0002 E200.8 06/15/10 04:41 / is <br />METALS - TOTAL <br />Aluminum 0.4 mg/L 0.2 E200.7 06/15/10 18:27 / cp <br />Antimony ND mg/L 0.001 E200.8 06/28/10 12:34 / is <br />Arsenic ND mg/L 0.1 E200.7 06/15/10 18:27 / cp <br />Copper ND mg/L 0.005 E200.7 06/15/10 18:27 / cp <br />Iron 0.61 mg/L 0.03 E200.7 06/15/10 18:27 / cp <br />Lead ND mg/L 0.005 E200.8 06/16/10 23:35 / smI <br />Manganese 0.04 mg/L 0.01 E200.7 06/15/10 18:27 / cp <br />Mercury ND mg/L 0.0001 A3112 B 06/15/10 15:56 / jp <br />Silver ND mg/L 0.001 E200.8 06/16/10 23:35 / sml <br />Thallium ND mg/L 0.001 E200.8 06/16/10 23:35 / sml <br />Zinc 0.006 mg/L 0.005 E200.8 06/16/10 23:35 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.08 pC1/L U E903.0 06/22/10 14:43 / ep <br />Radium 226 precision (±) 0.12 pCi/L E903.0 06/22/10 14:43 / ep <br />Radium 226 MDC 0.19 pCi/L E903.0 06/22/10 14:43 / ep <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limi t. <br />MDC - Minimum detectable concentration D - RL increased due to sample matrix. <br />U - Not detected at minimum detectable concentration <br />Page 6 of 58