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www.energylab.com Helena MT 877- 472 -0711 • Billings. MT 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />Analytical Excellence Since 1952 Gillette. WY 866 - 686 -7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />O'Connor Design Inc <br />Report Date: <br />06/18/12 <br />Project: <br />CM -25 <br />Work Order: <br />012050462 <br />Analyte <br />Count Result Units <br />RL %REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: SW6020 <br />19 Laboratory Control Sample Duplicate <br />Run: ICPMS4- C_120517A <br />05/17/12 20.25 <br />Batch 33660 <br />Sample ID: LCS3 -33660 <br />19 Laboratory Control Sample <br />0.030 <br />96 <br />Run ICPMS4- C_120517A 05/17/12 20 03 <br />Beryllium <br />0.24 <br />mg/L <br />00010 <br />98 <br />80 <br />120 <br />Cadmium <br />024 <br />mg /L <br />0.0010 <br />97 <br />80 <br />120 <br />Chromium <br />047 <br />mg /L <br />00050 <br />95 <br />80 <br />120 <br />Copper <br />0.48 <br />mg /L <br />0.0050 <br />95 <br />80 <br />120 <br />Iron <br />2.6 <br />mg/L <br />0.030 <br />102 <br />80 <br />120 <br />Lead <br />0.51 <br />mg /L <br />0.0010 <br />102 <br />80 <br />120 <br />Manganese <br />2.5 <br />mg /L <br />0.0010 <br />99 <br />80 <br />120 <br />Molybdenum <br />0.48 <br />mg /L <br />0.0010 <br />96 <br />80 <br />120 <br />Nickel <br />0.47 <br />mg /L <br />00050 <br />95 <br />80 <br />120 <br />Selenium <br />043 <br />mg /L <br />0.0010 <br />86 <br />80 <br />120 <br />Silver <br />0.054 <br />mg/L <br />0.0010 <br />106 <br />80 <br />120 <br />Thallium <br />0.49 <br />mg /L <br />0.00050 <br />99 <br />80 <br />120 <br />Uranium <br />0 51 <br />mg /L <br />0.00030 <br />103 <br />80 <br />120 <br />Vanadium <br />048 <br />mg /L <br />0.010 <br />93 <br />80 <br />120 <br />Zinc <br />0.44 <br />mg /L <br />0,010 <br />87 <br />80 <br />120 <br />Sample ID: LCSD3 -33660 <br />19 Laboratory Control Sample Duplicate <br />Run: ICPMS4- C_120517A <br />05/17/12 20.25 <br />Aluminum <br />2.4 <br />mg /L <br />0.030 <br />96 <br />80 <br />120 <br />0.7 <br />20 <br />Antimony <br />0.47 <br />mg /L <br />0.0010 <br />94 <br />80 <br />120 <br />03 <br />20 <br />Arsenic <br />0.44 <br />mg /L <br />0.0010 <br />88 <br />80 <br />120 <br />3.8 <br />20 <br />Barium <br />0.51 <br />mg /L <br />0.050 <br />101 <br />80 <br />120 <br />04 <br />20 <br />Beryllium <br />024 <br />mg /L <br />00010 <br />97 <br />80 <br />120 <br />0.7 <br />20 <br />Cadmium <br />0.24 <br />mg /L <br />0.0010 <br />97 <br />80 <br />120 <br />0.1 <br />20 <br />Chromium <br />0.49 <br />mg /L <br />0.0050 <br />97 <br />80 <br />120 <br />27 <br />20 <br />Copper <br />0.49 <br />mg /L <br />0.0050 <br />98 <br />80 <br />120 <br />3.0 <br />20 <br />Iron <br />2.5 <br />mg /L <br />0.030 <br />99 <br />80 <br />120 <br />29 <br />20 <br />Lead <br />051 <br />mg/L <br />0.0010 <br />102 <br />80 <br />120 <br />0.2 <br />20 <br />Manganese <br />2.4 <br />mg /L <br />0.0010 <br />97 <br />80 <br />120 <br />16 <br />20 <br />Molybdenum <br />048 <br />mg /L <br />0.0010 <br />96 <br />80 <br />120 <br />0.6 <br />20 <br />Nickel <br />0.49 <br />mg /L <br />0.0050 <br />98 <br />80 <br />120 <br />33 <br />20 <br />Selenium <br />0.43 <br />mg /L <br />0.0010 <br />86 <br />80 <br />120 <br />0.2 <br />20 <br />Silver <br />0 054 <br />mg /L <br />00010 <br />107 <br />80 <br />120 <br />1 3 <br />20 <br />Thallium <br />0.49 <br />mg /L <br />000050 <br />99 <br />80 <br />120 <br />0.2 <br />20 <br />Uranium <br />0.51 <br />mg /L <br />0.00030 <br />102 <br />80 <br />120 <br />0.5 <br />20 <br />Vanadium <br />0.49 <br />mg /L <br />0 010 <br />95 <br />80 <br />120 <br />1 7 <br />20 <br />Zinc <br />CIA6 <br />mg/L <br />0.010 <br />90 <br />80 <br />120 <br />34 <br />20 <br />Sample ID: C12050462- 001AMS3 <br />19 Sample Matrix <br />Spike <br />Run ICPMS4- C_120517A <br />05/17/12 2043 <br />Aluminum <br />18 <br />mg /L <br />0.030 <br />332 <br />75 <br />125 <br />S <br />Antimony <br />0.45 <br />mg /L <br />0.0010 <br />90 <br />75 <br />125 <br />Arsenic <br />0.49 <br />mg /L <br />0.0010 <br />87 <br />75 <br />125 <br />Barium <br />063 <br />mg /L <br />0.050 <br />104 <br />75 <br />125 <br />Beryllium <br />0.24 <br />mg /L <br />0.0010 <br />94 <br />75 <br />125 <br />Cadmium <br />0.26 <br />mg /L <br />0.0010 <br />97 <br />75 <br />125 <br />Chromium <br />0.50 <br />mg /L <br />00050 <br />98 <br />75 <br />125 <br />Qualifiers: <br />L - Analyte reporting limit <br />ND - Not <br />detected at the reporting limit. <br />DC - Minimum detectable concentration <br />S - Spike <br />recovery <br />outside of advisory limits <br />