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12065 Lebanon Rd. <br />Mt. Juliet, TN 37122 <br />OESC (615) 758-5858 <br />1-800-767-5859 <br />Fax (615) 758-5859 <br />L•A-B S•C•t•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 80233 November 28, 2014 <br />L734625 <br />Analyte <br />Units <br />Matrix Spike <br />MSD Ref <br />Duplicate <br />%Rec <br />Limit <br />RPD <br />Limit <br />Ref Samp <br />Batch <br />Arsenic <br />mg/1 <br />0.0504 <br />0.0540 <br />99.4 <br />75-125 <br />7.00 <br />20 <br />L734625-01 <br />WG756227 <br />1,1,1,2 -Tetrachloroethane <br />mg/l <br />0.0258 <br />0.0247 <br />103. <br />64-128 <br />4.14 <br />20 <br />L734625-01 <br />WG756012 <br />1,1,1 -Trichloroethane <br />mg/l <br />0.0248 <br />0.0243 <br />99.2 <br />58.7-134 <br />2.21 <br />20 <br />L734625-01 <br />WG756012 <br />1,1,2,2 -Tetrachloroethane <br />mg/1 <br />0.0262 <br />0.0262 <br />105. <br />56-132 <br />0.0300 <br />22.2 <br />L734625-01 <br />WG756012 <br />1,1,2 -Trichloroethane <br />mg/1 <br />0.0268 <br />0.0265 <br />107. <br />66.3-125 <br />1.27 <br />20 <br />L734625-01 <br />WG756012 <br />1,1-Dichloroethane <br />mg/l <br />0.0235 <br />0.0232 <br />94.2 <br />58.5-132 <br />1.60 <br />20 <br />L734625-01 <br />WG756012 <br />1,1-Dichloroethene <br />mg/1 <br />0.0223 <br />0.0223 <br />89.1 <br />51.1-140 <br />0.190 <br />20.2 <br />L734625-01 <br />WG756012 <br />1,2,3-Trichloropropane <br />mg/1 <br />0.0242 <br />0.0238 <br />96.7 <br />61.4-128 <br />1.63 <br />22.4 <br />L734625-01 <br />WG756012 <br />1,2 -Dichlorobenzene <br />mg/1 <br />0.0256 <br />0.0264 <br />102, <br />68.2-123 <br />3.09 <br />20 <br />L734625-01 <br />WG756012 <br />1,2-Dichloroethane <br />mg/l <br />0.0227 <br />0.0227 <br />90.6 <br />60-126 <br />0.360 <br />20 <br />L734625-01 <br />WG756012 <br />1,2-Dichloropropane <br />mg/l <br />0.0239 <br />0.0238 <br />95.5 <br />64.2-123 <br />0.530 <br />20 <br />L734625-01 <br />WG756012 <br />1,4 -Dichlorobenzene <br />mg/l <br />0.0253 <br />0.0259 <br />101. <br />68.6-123 <br />2.47 <br />20 <br />L734625-01 <br />WG756012 <br />2-Butanone (MEK) <br />mg/1 <br />0.115 <br />0.118 <br />92.3 <br />22.4-138 <br />1.95 <br />27 <br />L734625-01 <br />WG756012 <br />2-Hexanone <br />mg/l <br />0.125 <br />0.123 <br />100. <br />43.3-137 <br />1.26 <br />25.5 <br />L734625-01 <br />WG756012 <br />4-Methyl-2-pentanone (MIBK) <br />mg/l <br />0.117 <br />0.119 <br />93.4 <br />60.8-140 <br />1.96 <br />25.1 <br />L734625-01 <br />WG756012 <br />Acetone <br />mg/1 <br />0.107 <br />0.107 <br />79.4 <br />10-130 <br />0.150 <br />27.9 <br />L734625-01 <br />WG756012 <br />Acrylonitrile <br />mg/1 <br />0.117 <br />0.120 <br />93.7 <br />49.4-133 <br />2.21 <br />25.3 <br />L734625-01 <br />WG756012 <br />Benzene <br />mg/1 <br />0.0228 <br />0.0228 <br />91.2 <br />54.3-133 <br />0.140 <br />20 <br />L734625-01 <br />WG756012 <br />Bromochloromethane <br />mg/l <br />0.0243 <br />0.0243 <br />97.2 <br />66.5-122 <br />0.180 <br />20.8 <br />L734625-01 <br />WG756012 <br />Bromodichloromethane <br />mg/l <br />0.0240 <br />0.0244 <br />96.0 <br />63.9-121 <br />1.58 <br />20 <br />L734625-01 <br />WG756012 <br />Bromoform <br />mg/l <br />0.0251 <br />0.0246 <br />100. <br />59.5-134 <br />2.12 <br />20.5 <br />L734625-01 <br />WG756012 <br />Bromomethane <br />mg/l <br />0.0220 <br />0.0216 <br />88.0 <br />41.7-155 <br />1.65 <br />21.9 <br />L734625-01 <br />WG756012 <br />Carbon disulfide <br />mg/l <br />0.0198 <br />0.0198 <br />79.1 <br />43.3-149 <br />0.260 <br />20.3 <br />L734625-01 <br />WG756012 <br />Carbon tetrachloride <br />mg/l <br />0.0236 <br />0.0233 <br />94.5 <br />55.7-134 <br />1.51 <br />20 <br />L734625-01 <br />WG756012 <br />Chlorobenzene <br />mg/1 <br />0.0260 <br />0.0258 <br />104. <br />67-125 <br />0.590 <br />20 <br />L734625-01 <br />WG756012 <br />Chlorodibromomethane <br />mg/1 <br />0.0264 <br />0.0264 <br />106. <br />64.3-125 <br />0.0600 <br />20.8 <br />L734625-01 <br />WG756012 <br />Chloroethane <br />mg/1 <br />0.0221 <br />0.0213 <br />88.2 <br />51.5-136 <br />3.27 <br />40 <br />L734625-01 <br />WG756012 <br />Chloroform <br />mg/l <br />0.0242 <br />0.0237 <br />96.6 <br />63-129 <br />1.95 <br />20 <br />L734625-01 <br />WG756012 <br />Chloromethane <br />mg/l <br />0.0166 <br />0.0192 <br />74.6 <br />42.4-135 <br />2.89 <br />20 <br />L734625-01 <br />WG756012 <br />cis-1,2-Dichloroethene <br />mg/l <br />0.0241 <br />0.0239 <br />96.4 <br />59.2-129 <br />0.890 <br />20 <br />L734625-01 <br />WG756012 <br />cis-1,3-Dichloropropene <br />mg/l <br />0.0242 <br />0.0251 <br />96.6 <br />66.4-125 <br />3.77 <br />20 <br />L734625-01 <br />WG756012 <br />Dibromomethane <br />mg/l <br />0.0233 <br />0.0240 <br />93.1 <br />68.2-124 <br />2.93 <br />20 <br />L734625-01 <br />WG756012 <br />Ethylbenzene <br />mg/1 <br />0.0259 <br />0.0259 <br />104. <br />61.4-133 <br />0.0 <br />20 <br />L734625-01 <br />WG756012 <br />Iodomethane <br />mg/l <br />0.122 <br />0.118 <br />97.6 <br />49.7-132 <br />3.67 <br />20 <br />L734625-01 <br />WG756012 <br />Methylene Chloride <br />mg/l <br />0.0219 <br />0.0223 <br />86.4 <br />58.1-122 <br />1.84 <br />20 <br />L734625-01 <br />WG756012 <br />Styrene <br />mg/l <br />0.0265 <br />0.0259 <br />106. <br />66.8-133 <br />2.03 <br />20 <br />L734625-01 <br />WG756012 <br />Tetrachloroethene <br />mg/1 <br />0.0264 <br />0.0267 <br />106. <br />53-139 <br />1.01 <br />20 <br />L734625-01 <br />WG756012 <br />Toluene <br />mg/l <br />0.0245 <br />0.0244 <br />98.1 <br />61.4-130 <br />0.440 <br />20 <br />L734625-01 <br />WG756012 <br />trans-1,2-Dichloroethene <br />mg/1 <br />0.0229 <br />0.0227 <br />91.6 <br />56.5-129 <br />0.770 <br />20 <br />L734625-01 <br />WG756012 <br />trans-1,3-Dichloropropene <br />mg/l <br />0.0244 <br />0.0254 <br />97.5 <br />64.1-128 <br />4.10 <br />20 <br />L734625-01 <br />WG756012 <br />trans-1,4-Dichloro-2-butene <br />mg/l <br />0.0241 <br />0.0228 <br />96.3 <br />57.1-130 <br />5.30 <br />23.9 <br />L734625-01 <br />WG756012 <br />Trichloroethene <br />mg/l <br />0.0243 <br />0.0246 <br />97.3 <br />44.1-149 <br />1.03 <br />20 <br />L734625-01 <br />WG756012 <br />Trichlorofluoromethane <br />mg/l <br />0.0261 <br />0.0255 <br />104. <br />49.6-145 <br />2.46 <br />21.2 <br />L734625-01 <br />WG756012 <br />Vinyl acetate <br />mg/1 <br />0.134 <br />0.137 <br />107. <br />56.1-149 <br />2.14 <br />22.7 <br />L734625-01 <br />WG756012 <br />Vinyl chloride <br />mg/1 <br />0.0207 <br />0.0209 <br />82.9 <br />47.8-137 <br />0.790 <br />20 <br />L734625-01 <br />WG756012 <br />Xylenes, Total <br />mg/1 <br />0.0782 <br />0.0765 <br />104. <br />63.3-131 <br />2.15 <br />20 <br />L734625-01 <br />WG756012 <br />4-Bromofluorobenzene <br />103.0 <br />71-126 <br />WG756012 <br />Dibromofluoromethane <br />96.10 <br />78.3-121 <br />WG756012 <br />Toluene -d8 <br />99.50 <br />88.5-111 <br />WG756012 <br />a,a,a-Trifluorotoluene <br />105.0 <br />85-114 <br />WG756012 <br />Vinyl chloride <br />mg/l <br />0.0279 <br />0.0264 <br />111. <br />47.8-137 <br />5.28 <br />20 <br />L734652-01 <br />WG757019 <br />4-Bromofluorobenzene <br />91.10 <br />71-126 <br />WG757019 <br />Dibromofluoromethane <br />106.0 <br />78.3-121 <br />WG757019 <br />Toluene -d8 <br />106.0 <br />88.5-111 <br />WG757019 <br />a,a,a-Trifluorotoluene <br />102.0 <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 <br />A 'List <br />of Analytes <br />with QC Qualifiers.' <br />Page 21 of 23 <br />