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12065 Lebanon Rd. <br />Mt. Juliet, TN 37122 <br />(615) 758 -5858 <br />*ESC <br />1- 800 - 767 -5859 <br />Fax (615) 758 -5859 <br />L -A•9 5- C•1•E•N•C•E,S <br />Tax I.D. 6 2- 0819289 <br />Est. 1970 <br />Molen & Associates, LLC <br />Mark Molen <br />2090 East 104th Avenue Suite #205 Quality Assurance Report <br />Level TI <br />Thornton, CO 80223 May 02, 2012 <br />L571648 <br />Units Result Ref %Rec Limit RPD Limit Batch <br />9597 <br />TOC (Total Organic Carbon) mg /l 74.2 73.8 99.0 85 -115 0.500 20 WG589539 <br />Alkalinity mg /1 98.0 91.0 98.0 85 -115 7.41 20 WG589687 <br />-- - - - - - - - - - - - - 9646 <br />Specific Conductance umhos/ 441. 441. 96.0 85 -115 0 20 WG589825 <br />Will i eH su 6.01 6.02 100. 98 -101 0.166 _10 WG589790 <br />Analvte Units MS Res Ref Res TV o Rec Limit Ref Same Batch <br />9579 <br />Tetrachloroethene <br />mg /l <br />0.0235 <br />0.0219 <br />94.0 <br />69 <br />-131 <br />7.26 <br />20 <br />WG589579 <br />Toluene <br />mg /l <br />0.02 24 <br />0.0208 <br />90.0 <br />75 <br />-114 <br />7.19 <br />20 <br />WG589579 <br />9579 <br />trans -1,3- Dichloropropene <br />mg /l <br />0.0213 <br />0.0_205 <br />85.0 <br />69 <br />-124 <br />3.83 <br />20 <br />WG589579 <br />trans -1,4- Dichloro -2- butene <br />mg /1 <br />0.0220 <br />0.0208 <br />88.0 <br />58 <br />-137 <br />5.41 <br />20 <br />WG589579 <br />9579 <br />Trichlorofluoromethane <br />mg /l <br />0.0246 <br />0.0233 <br />98.0 <br />53 <br />-161 <br />5.61 <br />20 <br />WG589579 <br />Vinyl acetate <br />mg /1 <br />0.110 <br />0.0984 <br />88.0 <br />47 <br />-161 <br />10.7 <br />20 <br />WG589579 <br />_ <br />9579 <br />9579 <br />Xylenes, Total <br />mg /1 <br />0.0694 <br />0.0659 <br />9 2.0 <br />77 <br />-1 23 <br />5.87 <br />20 <br />WG589579 <br />4- Bromoflucrobenzene <br />mg /l <br />0.131 <br />96.69 <br />82-1 <br />20 <br />51 -149 <br />L571637 -01 <br />WG589579 <br />- <br />- 9579 <br />Toluene -d8 <br />101.4 <br />92 <br />-112 <br />WG589579 <br />a,a,a -T n fluorctoluene <br />(MIBK) <br />mg /l <br />0.108 <br />101.1 <br />90 <br />-116 <br />53 -154 <br />L571637 -01 <br />WG589579 <br />Chloride <br />mg /l <br />40.1 <br />40.1 <br />100. <br />90 <br />-110 <br />0 <br />20 <br />WG589475 <br />Nitrate <br />mg /1 <br />8.63 <br />8.63 <br />108. <br />90 <br />-110 <br />0 <br />20 <br />WG589475 <br />I IN Ell <br />_ <br />-_ <br />- - <br />-__ -_ <br />- 9475 <br />Sulfate <br />mg /l <br />40.1 <br />_ <br />40.0 <br />__ <br />100. <br />_ _ <br />90 -110 <br />_ <br />0.250 <br />_ _ <br />20 <br />_ <br />WG5894�5 <br />9597 <br />TOC (Total Organic Carbon) mg /l 74.2 73.8 99.0 85 -115 0.500 20 WG589539 <br />Alkalinity mg /1 98.0 91.0 98.0 85 -115 7.41 20 WG589687 <br />-- - - - - - - - - - - - - 9646 <br />Specific Conductance umhos/ 441. 441. 96.0 85 -115 0 20 WG589825 <br />Will i eH su 6.01 6.02 100. 98 -101 0.166 _10 WG589790 <br />Analvte Units MS Res Ref Res TV o Rec Limit Ref Same Batch <br />Page 18 of 23 <br />9579 <br />1,1,1 - Trichloroethane <br />mg /l <br />0.0236 <br />0 <br />.025 <br />94.2 <br />58 -137 <br />L571637 -01 <br />WG589579 <br />1,1,_,2- Tetrachloroethane <br />mg /l <br />0.0212 <br />0 <br />.025 <br />84.8 <br />64 -149 <br />L571637 -01 <br />WG589579 <br />9579 <br />1,1- Dichloroethane <br />mg /l <br />0.0234 <br />0 <br />.025 <br />93.6 <br />58 -133 <br />L571637 -01 <br />WG589579 <br />1,1- Dichloroethene <br />mg /l <br />0.0242 <br />0 <br />.025 <br />97.0 <br />32 -152 <br />L571637 -01 <br />WG589579 <br />9579 <br />1,^_- Dichlorobenzene <br />mg /l <br />0.0_^32 <br />0 <br />.025 <br />9_2.7 <br />75 -125 <br />L571637 -01 <br />WG589579 <br />1,2- Dichloroethane <br />mg /l <br />0.0227 <br />0 <br />.025 <br />90.8 <br />59 -135 <br />L571637 -01 <br />WG589579 <br />9579 <br />1,4- Dichlorobenzene <br />mg /l <br />0.0232 <br />0 <br />.025 <br />92.7 <br />70 -123 <br />L571637 -01 <br />WG589579 <br />_^- Butanone (MEK) <br />mg /l <br />0.131 <br />0 <br />.1 25 <br />105. <br />51 -149 <br />L571637 -01 <br />WG589579 <br />9579 <br />4- Methyl- 2- pentanone <br />(MIBK) <br />mg /l <br />0.108 <br />0 <br />.125 <br />86.5 <br />53 -154 <br />L571637 -01 <br />WG589579 <br />Acetone <br />mg /l <br />0.161 <br />0 <br />.125 <br />129. <br />34 -146 <br />L571637 -01 <br />WG589579 <br />9579 <br />* Performance of <br />this Analyte <br />is outside <br />of established criteria. <br />For additional <br />information, <br />please see <br />Attachment <br />A 'List <br />of Analytes <br />with QC <br />Qualifiers.' <br />Page 18 of 23 <br />