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Page 16 of 23 <br />12065 Lebanon <br />Mt. Juliet, TN <br />Rd. <br />37122 <br />OESC <br />(615)758-5858 <br />1-800-767-5859 <br />Fax (615) 758-5859 <br />L•A•8 S•C•1•E-N•C-E•S <br />Tax I.D. 62-0819289 <br />Est. 1970 <br />Molen & Associates, LLC <br />Mark Molen <br />2090 East 104th Avenue Suite #205 <br />Quality <br />Assurance Report <br />Level II <br />Thornton, CC 80233 <br />November <br />28, 2014 <br />L734625 <br />Laboratory <br />Control Sample <br />Analyte <br />Units <br />Known Val <br />Result <br />% Rec <br />Limit <br />Batch <br />Arsenic <br />mg/l <br />.05 <br />0.0475 <br />95.0 <br />85-115 <br />WG756227 <br />1,1,1,2-Tetrachloroethane <br />mg/l <br />.025 <br />0.0257 <br />103. <br />74.2-124 <br />WG756012 <br />1,1,1-Trichloroethane <br />mg/1 <br />.025 <br />0.0253 <br />101. <br />73.2-123 <br />WG756012 <br />1,1,2,2-Tetrachloroethane <br />mg/l <br />.025 <br />0.0257 <br />103. <br />70.7-122 <br />WG756012 <br />1,1,2-Trichloroethane <br />mg/l <br />.025 <br />0.0277 <br />111. <br />77.7-118 <br />WG756012 <br />1,1-Dichloroethane <br />mg/l <br />.025 <br />0.0239 <br />95.5 <br />70.7-126 <br />WG756012 <br />1,1-Dichloroethene <br />mg/l <br />.025 <br />0.0237 <br />94.8 <br />67.8-129 <br />WG756012 <br />1,2,3-Trichloropropane <br />mg/l <br />.025 <br />0.0242 <br />96.6 <br />71.8-121 <br />WG756012 <br />1,2-Dichlorobenzene <br />mg/l <br />.025 <br />0.0261 <br />105. <br />78.4-117 <br />WG756012 <br />1,2-Dichloroethane <br />mg/l <br />.025 <br />0.0234 <br />93.5 <br />68.8-124 <br />WG756012 <br />1,2-Dichloropropane <br />mg/l <br />.025 <br />0.0246 <br />98.5 <br />76.5-119 <br />WG756012 <br />1,4-Dichlorobenzene <br />mg/l <br />.025 <br />0.0259 <br />103. <br />78.8-115 <br />WG756012 <br />2-Butanone (MEK) <br />mg/l <br />.125 <br />0.158 <br />126. <br />55-149 <br />WG756012 <br />2-Hexanone <br />mg/l <br />.125 <br />0.150 <br />120. <br />65.6-144 <br />WG756012 <br />4-Methyl-2-pentanone (MIBK) <br />mg/1 <br />.125 <br />0.122 <br />97.5 <br />70.5-133 <br />WG756012 <br />Acetone <br />mg/l <br />.125 <br />0.176 <br />141. <br />35.6-163 <br />WG756012 <br />Acrylonitrile <br />mg/l <br />.125 <br />0.117 <br />93.5 <br />55.2-130 <br />WG756012 <br />Benzene <br />mg/l <br />.025 <br />0.0242 <br />96.7 <br />74.8-121 <br />WG756012 <br />Bromochloromethane <br />mg/l <br />.025 <br />0.0251 <br />100. <br />77.6-119 <br />WG756012 <br />Bromodichloromethane <br />mg/l <br />.025 <br />0.0251 <br />101. <br />75.1-116 <br />WG756012 <br />Bromoform <br />mg/l <br />.025 <br />0.0250 <br />100. <br />67.5-130 <br />WG756012 <br />Bromomethane <br />mg/l <br />.025 <br />0.0232 <br />92.9 <br />49.9-162 <br />WG756012 <br />Carbon disulfide <br />mg/l <br />.025 <br />0.0228 <br />91.2 <br />64.6-140 <br />WG756012 <br />Carbon tetrachloride <br />mg/l <br />.025 <br />0.0242 <br />96.8 <br />70.2-123 <br />WG756012 <br />Chlorobenzene <br />mg/l <br />.025 <br />0.0270 <br />108. <br />78.1-119 <br />WG756012 <br />Chlorodibromomethane <br />mg/1 <br />.025 <br />0.0274 <br />110. <br />74-121 <br />WG756012 <br />Chloroethane <br />mg/1 <br />.025 <br />0.0234 <br />93.6 <br />61.7-135 <br />WG756012 <br />Chloroform <br />mg/l <br />.025 <br />0.0247 <br />99.0 <br />76-121 <br />WG756012 <br />Chloromethane <br />mg/l <br />.025 <br />0.0210 <br />84.0 <br />61.5-129 <br />WG756012 <br />cis-1,2-Dichloroethene <br />mg/l <br />.025 <br />0.0247 <br />98.9 <br />76-119 <br />WG756012 <br />cis-1,3-Dichloropropene <br />mg/l <br />.025 <br />0.0255 <br />102. <br />78.2-120 <br />WG756012 <br />Dibromomethane <br />mg/l <br />.025 <br />0.0243 <br />97.2 <br />79.5-118 <br />WG756012 <br />Ethylbenzene <br />mg/l <br />.025 <br />0.0268 <br />107. <br />78.8-122 <br />WG756012 <br />Iodomethane <br />mg/l <br />.125 <br />0.127 <br />101. <br />61-130 <br />WG756012 <br />Methylene Chloride <br />mg/l <br />.025 <br />0.0233 <br />93.1 <br />70.3-120 <br />WG756012 <br />Styrene <br />mg/l <br />.025 <br />0.0268 <br />107. <br />80.4-126 <br />WG756012 <br />Tetrachloroethene <br />mg/l <br />.025 <br />0.0281 <br />112. <br />72.6-126 <br />WG756012 <br />Toluene <br />mg/l <br />.025 <br />0.0257 <br />103. <br />79.7-116 <br />WG756012 <br />trans-1,2-Dichloroethene <br />mg/l <br />.025 <br />0.0241 <br />96.6 <br />72.6-121 <br />WG756012 <br />trans-1,3-Dichloropropene <br />mg/l <br />.025 <br />0.0254 <br />102. <br />74.3-123 <br />WG756012 <br />trans-1,4-Dichloro-2-butene <br />mg/l <br />.025 <br />0.0248 <br />99.4 <br />65.1-123 <br />WG756012 <br />Trichloroethene <br />mg/l <br />.025 <br />0.0264 <br />106. <br />77.7-118 <br />WG756012 <br />Trichlorofluoromethane <br />mg/l <br />.025 <br />0.0267 <br />107. <br />63.5-135 <br />WG756012 <br />Vinyl acetate <br />mg/l <br />.125 <br />0.118 <br />94.3 <br />65-138 <br />WG756012 <br />Vinyl chloride <br />mg/l <br />.025 <br />0.0225 <br />89.9 <br />65.9-128 <br />WG756012 <br />Xylenes, Total <br />mg/l <br />.075 <br />0.0802 <br />107. <br />78.7-121 <br />WG756012 <br />4-Bromofluorobenzene <br />101.0 <br />71-126 <br />WG756012 <br />Dibromofluoromethane <br />95.20 <br />78.3-121 <br />WG756012 <br />Toluene-d8 <br />100.0 <br />88.5-111 <br />WG756012 <br />a,a,a-Trifluorotoluene <br />103.0 <br />85-114 <br />WG756012 <br />Vinyl chloride <br />mg/l <br />.025 <br />0.0286 <br />115. <br />65.9-128 <br />WG757019 <br />4-Bromofluorobenzene <br />90.70 <br />71-126 <br />WG757019 <br />Dibromofluoromethane <br />107.0 <br />78.3-121 <br />WG757019 <br />Toluene-d8 <br />105.0 <br />88.5-111 <br />WG757019 <br />a,a,a-Trifluorotoluene <br />103.0 <br />85-114 <br />WG757019 <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 16 of 23 <br />