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www.enerdab.com Helena, MT 877- 472 -0711 • Billings, MT 800 - 735 -4489 • Casper, WY 888- 235 -0515 <br />• `• - °' <br />�"WEw ° 'I 1952 f Gillette, WY 666 -686 -7175 • Rapid City, SD 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: 09/30/14 <br />Project: Schwartz -GW 09/04/14 S27679 Collection Date: 09/09/14 12:45 <br />Lab ID: C14090400 -001 Date Received: 09/10/14 <br />Client Sample ID: MW 13 (S27679) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />52.6 <br />pCi /L <br />E900.0 <br />09/22/14 20:34 / trs <br />Gross Alpha precision ( ±) <br />2.9 <br />pCi /L <br />E900.0 <br />09/22/14 20:34 / trs <br />Gross Alpha MDC <br />2.1 <br />pCi /L <br />E900.0 <br />09/22/14 20:34 / trs <br />Gross Beta <br />11.5 <br />pCi /L <br />E900.0 <br />09/22/14 20:34 / trs <br />Gross Beta precision ( ±) <br />2.0 <br />pCi /L <br />E900.0 <br />09/22/14 20:34 / trs <br />Gross Beta MDC <br />2.9 <br />pCi /L <br />E900.0 <br />09/22/14 20:34 / trs <br />DATA QUALITY <br />A/C Balance (± 5) <br />-2.05 <br />% <br />A1030 E <br />09/16/14 15:29 / kbh <br />Anions <br />5.27 <br />meq /L <br />A1030 E <br />09/16/14 15:29 / kbh <br />Cations <br />5.05 <br />meq /L <br />All 030 E <br />09/16/14 15:29 / kbh <br />Solids, Total Dissolved Calculated <br />310 <br />mg /L <br />A1030 E <br />09/16/14 15:29 / kbh <br />TDS Balance (0.80 - 1.20) <br />0.95 <br />A1030 E <br />09/16/14 15:29 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />469 <br />umhos /cm <br />FIELD <br />09/09/14 12:45 <br />Field pH <br />6.92 <br />s.u. <br />FIELD <br />09/09/14 12:45 <br />Field Temperature, C <br />10.6 <br />'C <br />FIELD <br />09/09/14 12:45 <br />Oxidation- Reduction Potential (ORP) <br />382 <br />mV <br />FIELD <br />09/09/14 12:45 /' ** <br />Field data provided by client <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 />MDC - Minimum detectable concentration <br />Page 4 of 21 <br />