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\5! <br />www.energylab.com I Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 -235 -0515 <br />AnalyticalExcellenceSine# 1952 J Gillette, WY 866- 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: O'Connor Design Inc <br />Project: CM -25 <br />Lab ID: C12050462 -001 <br />Client Sample ID: CM -25 Montrose County <br />Analyses <br />Report Date: 06118/12 <br />Collection Date: 05/07/12 10:45 <br />DateReceived: 05/11/12 <br />Matrix: Waste Rock <br />MCL/ <br />Result Units Qualifier RL QCL Method Analysis Date / By <br />PHYSICAL CHARACTERISTICS <br />Filterable No SW1311 05/17/1216:11 /dcj <br />MAJOR IONS - SPLP EXTRACTABLE <br />Chloride <br />ND <br />mg /L <br />1 <br />E300.0 <br />05/18/12 19:51 / we <br />Fluoride <br />0.2 <br />mg /L <br />0 1 <br />A4500 -F C <br />05/16112 10.55 /jba <br />Nitrogen, Ammonia as N <br />ND <br />mg /L <br />0.05 <br />A4500 -NH3 G <br />05115112 1416 / do <br />Nitrogen. Nitrate +Nitrite as N <br />1 0 <br />mg /L <br />B 01 <br />E353.2 <br />05/16/12 15:58 / do <br />Sulfate <br />13 <br />mg /L <br />B 1 <br />E300.0 <br />05/18/12 19 51 / we <br />PHYSICAL PROPERTIES - SPLP EXTRACTABLE <br />Conductivity @ 25 C <br />168 <br />umhos /cm <br />1 <br />A2510 B <br />05/15/12 1222 l ab <br />pH <br />9.85 <br />s.u. H <br />0.01 <br />A4500 -H B <br />05/15/12 12:22 / ab <br />METALS - SPLP EXTRACTABLE <br />Aluminum <br />9.4 <br />mg /L <br />003 <br />SW6020 <br />05/17/12 20:34 / cp <br />Antimony <br />0.001 <br />mg/L <br />0.001 <br />SW6020 <br />05/17/12 20:34 / cp <br />Arsenic <br />0.054 <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 20:34 / cp <br />Barium <br />0.10 <br />mg /L <br />005 <br />SW6020 <br />05/17/12 20:34 / cp <br />3eryllium <br />ND <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 20:341 cp <br />Cadmium <br />0 016 <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 20 34 / cp <br />Chromium <br />0.009 <br />mg /L <br />0 005 <br />SW6020 <br />05/17/12 2034 / cp <br />Copper <br />0.028 <br />mg /L <br />0.005 <br />SW6020 <br />05/17/12 20:34 / cp <br />Iron <br />3.5 <br />mg /L <br />0.03 <br />SW6020 <br />05/17/12 20.34 / cp <br />Lead <br />0.046 <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 20:34 / cp <br />Manganese <br />0 038 <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 20.34 / cp <br />Mercury <br />ND <br />mg /L <br />0.0020 <br />SW7470A <br />05/19/12 09:42 / rdw <br />Molybdenum <br />0.002 <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 2034 / cp <br />Nickel <br />ND <br />mg /L <br />0.005 <br />SW6020 <br />05/17/12 20 34 / cp <br />Selenium <br />0 006 <br />mg /L <br />0.001 <br />SW6020 <br />05/17/12 20:34 / cp <br />Silver <br />ND <br />mg /L <br />0 001 <br />SW6020 <br />05/17/12 20:34 / cp <br />Thallium <br />ND <br />mg /L <br />0.0005 <br />SW6020 <br />05/17/12 20 34 / cp <br />Uranium <br />0.75 <br />mg /L <br />0.0003 <br />SW6020 <br />05/17/12 20:34 / cp <br />Vanadium <br />3.0 <br />mg /L <br />001 <br />SW6020 <br />05/17/12 20 34 / cp <br />Zinc <br />015 <br />mg /L <br />0.01 <br />SW6020 <br />05117/12 20 34 / cp <br />RADIONUCLIDES - SPLP EXTRACTABLE <br />Gross Alpha <br />972 <br />pCi /L <br />E900 0 <br />06/02/12 06:291 Ibb <br />Gross Alpha precision (t) <br />12.4 <br />pCi /L <br />E900.0 <br />06/02/12 06:29 / Ibb <br />Gross Alpha MDC <br />2.1 <br />pCi /L <br />E900.0 <br />06/02/12 06:29 / Ibb <br />Radium 226 <br />173 <br />pCi /L <br />E903 0 <br />05/30/12 07 24 / Ibb <br />Radium 226 precision (t) <br />5.0 <br />pCilL <br />E903 0 <br />05/30/12 0724 / Ibb <br />Radium 226 MDC <br />0.53 <br />pCi /L <br />E903.0 <br />05/30/12 07:24 / Ibb <br />Radium 228 <br />4 3 <br />pCi /L U <br />RA -05 <br />06/12/12 11.00 / plj <br />Radium 228 precision (t) <br />3.9 <br />pCi /L <br />RA -05 <br />06/12/12 11.00 / plj <br />Radium 228 MDC <br />6.1 <br />pCi /L <br />RA -05 <br />06/12/12 11 00 / plj <br />!port RL - Analyte reporting limit. <br />MCL - Maximum <br />contaminant level <br />efinitions: OCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />B - The analyte was detected in the method blank. <br />H - Analysis performed past recommended holding time. <br />U - Not detected <br />at minimum detectable <br />concentration <br />