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12065 Lebanon Rd. <br />Mt. Juliet, TN 37122 <br />(615) 758 -5858 <br />OESC 1- 800 - 767 -5859 <br />Fax (615) 758 -5859 <br />l•A•6 S•C- I•E•N•C•E•S <br />Tax I.D. 62- 0814289 <br />Est. 1970 <br />Molen & Associates, LLC <br />Mark Molen <br />2090 East 104th Avenue Suite #205 Quality Assurance Report <br />Level II <br />Thornton, CO 80223 May 13, 2013 <br />L633267 <br />Page 15 of 22 <br />Laboratory <br />Duplicate <br />Analyte <br />Analyte <br />Units <br />Result <br />Duplicate <br />RPD <br />Limit <br />Ref Samp <br />Batch <br />Specific Conductance <br />umhos /cm <br />1100 <br />1100 <br />3.57 <br />20 <br />L633267 -03 <br />WG659591 <br />Specific Conductance <br />umhos /cm <br />2600 <br />2600 <br />0 <br />20 <br />L633826 -01 <br />WG659591 <br />Alkalinity <br />mg /l <br />87.0 <br />100. <br />14.1 <br />20 <br />L633378 -01 <br />WG659301 <br />Barium <br />mg /l <br />3.10 <br />3.10 <br />0 <br />20 <br />L633285 -01 <br />WG659289 <br />Calcium <br />mg /1 <br />210. <br />210. <br />0 <br />20 <br />L633285 -01 <br />WG659289 <br />Chromium <br />mg /1 <br />0 <br />0.000900 <br />NA <br />20 <br />L633285 -01 <br />WG659289 <br />Cobalt <br />mg /1 <br />0 <br />0.00240 <br />NA <br />20 <br />L633285 -01 <br />WG659289 <br />Magnesium <br />mg /1 <br />160. <br />170. <br />6.06 <br />20 <br />L633285 -01 <br />WG659289 <br />Nickel <br />mg /1 <br />0.0250 <br />0.0268 <br />6.95 <br />20 <br />L633285 -01 <br />WG659289 <br />Potassium <br />mg /1 <br />12.0 <br />12.0 <br />0 <br />20 <br />L633285 -01 <br />WG659289 <br />Silver <br />mg /l <br />0 <br />0.00121 <br />NA <br />20 <br />L633285 -01 <br />WG659289 <br />Sodium <br />mg /l <br />360. <br />370. <br />2.74 <br />20 <br />L633285 -01 <br />WG659289 <br />Vanadium <br />mg /l <br />0 <br />0.00160 <br />NA <br />20 <br />L633285 -01 <br />WG659289 <br />Antimony <br />mg /1 <br />0 <br />0 <br />0 <br />20 <br />L633155 -01 <br />WG659272 <br />Arsenic <br />mg /1 <br />0 <br />0 <br />0 <br />20 <br />L633155 -01 <br />WG659272 <br />Cadmium <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L633155 -01 <br />WG659272 <br />Copper <br />mg /1 <br />0 <br />0.000100 <br />NA <br />20 <br />L633155 -01 <br />WG659272 <br />Lead <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L633155 -01 <br />WG659272 <br />Selenium <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L633155 -01 <br />WG659272 <br />Thallium <br />mg /l <br />0 <br />0 <br />0 <br />20 <br />L633155 -01 <br />WG659272 <br />Zinc <br />mg /1 <br />0 <br />0.0000900 <br />NA <br />20 <br />L633155 -01 <br />WG659272 <br />Bervllium <br />mq 11 <br />0 <br />0.000420 <br />NA <br />20 <br />L633155 -01 <br />WG659272 <br />Page 15 of 22 <br />Laboratory <br />Control Sample <br />Analyte <br />Units <br />Known Val <br />Result <br />96 Rec <br />Limit <br />Batch <br />Chloride <br />mg /l <br />40 <br />39.8 <br />99.5 <br />90 -110 <br />WG659150 <br />Nitrate <br />mg /1 <br />8 <br />8.11 <br />101. <br />90 -110 <br />WG659150 <br />Nitrite <br />mg /1 <br />8 <br />7.99 <br />99.9 <br />90 -110 <br />WG659150 <br />Sulfate <br />mg /1 <br />40 <br />39.8 <br />99.5 <br />90 -110 <br />WG659150 <br />1,1,1,2 - Tetrachloroethane <br />mg /1 <br />.025 <br />0.0241 <br />96.4 <br />77 -128 <br />WG659248 <br />1,1,1 - Trichloroethane <br />mg /1 <br />.025 <br />0.0235 <br />94.0 <br />71 -126 <br />WG659248 <br />1,1,2,2 - Tetrachloroethane <br />mg /1 <br />.025 <br />0.0227 <br />90.6 <br />78 -130 <br />WG659248 <br />1,1,2- Trichloroethane <br />mg /l <br />.025 <br />0.0238 <br />95.3 <br />81 -121 <br />WG659248 <br />1,1- Dichloroethane <br />mg /1 <br />.025 <br />0.0233 <br />93.0 <br />73 -123 <br />WG659248 <br />1,1- Dichloroethene <br />mg /1 <br />.025 <br />0.0220 <br />87.8 <br />54 -134 <br />WG659248 <br />1,2,3- Trichloropropane <br />mg /1 <br />.025 <br />0.0237 <br />94.9 <br />68 -130 <br />WG659248 <br />1,2- Dichlorobenzene <br />mg /1 <br />.025 <br />0.0235 <br />94.0 <br />82 -121 <br />WG659248 <br />1,2- Dichloroethane <br />mg /1 <br />.025 <br />0.0222 <br />88.7 <br />69 -128 <br />WG659248 <br />1,2- Dichloropropane <br />mg /1 <br />.025 <br />0.0232 <br />92.7 <br />77 -121 <br />WG659248 <br />1,4- Dichlorobenzene <br />mg /1 <br />.025 <br />0.0231 <br />92.4 <br />79 -117 <br />WG659248 <br />2- Butanone (MEK) <br />mg /l <br />.125 <br />0.130 <br />104. <br />58 -144 <br />WG659248 <br />2- Hexanone <br />mg /l <br />.125 <br />0.137 <br />109. <br />62 -144 <br />WG659248 <br />4- Methyl -2- pentanone (MIBK) <br />mg /1 <br />.125 <br />0.123 <br />98.1 <br />58 -147 <br />WG659248 <br />Acetone <br />mg /l <br />.125 <br />0.118 <br />94.2 <br />49 -153 <br />WG659248 <br />Acrylonitrile <br />mg /1 <br />.125 <br />0.106 <br />85.0 <br />53 -153 <br />WG659248 <br />Benzene <br />mg /1 <br />.025 <br />0.0232 <br />92.7 <br />72 -119 <br />WG659248 <br />Bromochloromethane <br />mg /1 <br />.025 <br />0.0236 <br />94.4 <br />79 -124 <br />WG659248 <br />Bromodichloromethane <br />mg /1 <br />.025 <br />0.0229 <br />91.5 <br />75 -127 <br />WG659248 <br />Bromoform <br />mg /1 <br />.025 <br />0.0260 <br />104. <br />61 -136 <br />WG659248 <br />* Performance of this Analyte <br />is outside <br />of established <br />criteria. <br />For additional information, <br />please see <br />Attachment A 'List <br />of Analytes with QC <br />Qualifiers.' <br />Page 15 of 22 <br />