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Page 18 of 23 <br />12065 Lebanon Rd. <br />Mt. Juliet, TN 37122 <br />OESC <br />(615) <br />758-5858 <br />1-800-767-5859 <br />Fax <br />(615) 758-5859 <br />L•A•B S-G•I•E•N•G-E•S <br />Tax <br />I.D. 62-0814289 <br />Est. <br />1970 <br />Molen & Associates, LLC <br />Mark Molen <br />2090 East 104th Avenue Suite #205 <br />Quality Assurance <br />Report <br />Level <br />II <br />Thornton, CO 80233 <br />November <br />28, 2014 <br />L734625 <br />Laboratory <br />Control Sample Duplicate <br />Analyte <br />Units <br />Result <br />Ref <br />%Rec <br />Limit <br />RPD <br />Limit <br />Batch <br />1,2-Dichlorobenzene <br />mg/l <br />0.0266 <br />0.0261 <br />106. <br />78.4-117 <br />1.88 <br />20 <br />WG756012 <br />1,2-Dichloroethane <br />mg/l <br />0.0240 <br />0.0234 <br />96.0 <br />68.8-124 <br />2.54 <br />20 <br />WG756012 <br />1,2-Dichloropropane <br />mg/l <br />0.0255 <br />0.0246 <br />102. <br />76.5-119 <br />3.64 <br />20 <br />WG756012 <br />1,4-Dichlorobenzene <br />mg/l <br />0.0263 <br />0.0259 <br />105. <br />78.8-115 <br />1.47 <br />20 <br />WG756012 <br />2-Butanone (MEK) <br />mg/l <br />0.157 <br />0.158 <br />126. <br />55-149 <br />0.270 <br />20 <br />WG756012 <br />2-Hexanone <br />mg/l <br />0.150 <br />0.150 <br />120. <br />65.6-144 <br />0.210 <br />20 <br />WG756012 <br />4-Methyl-2-pentanone (MIRK) <br />mg/1 <br />0.123 <br />0.122 <br />98.0 <br />70.5-133 <br />0.520 <br />20 <br />WG756012 <br />Acetone <br />mg/l <br />0.179 <br />0.176 <br />144. <br />35.6-163 <br />2.06 <br />23.9 <br />WG756012 <br />Acrylonitrile <br />mg/l <br />0.119 <br />0.117 <br />95.0 <br />55.2-130 <br />2.04 <br />20 <br />WG756012 <br />Benzene <br />mg/l <br />0.0245 <br />0.0242 <br />98.0 <br />74.8-121 <br />1.24 <br />20 <br />WG756012 <br />Bromochloromethane <br />mg/l <br />0.0258 <br />0.0251 <br />103. <br />77.6-119 <br />2.92 <br />20 <br />WG756012 <br />Bromodichloromethane <br />mg/l <br />0.0255 <br />0.0251 <br />102. <br />75.1-116 <br />1.43 <br />20 <br />WG756012 <br />Bromoform <br />mg/l <br />0.0259 <br />0.0250 <br />104. <br />67.5-130 <br />3.49 <br />20 <br />WG756012 <br />Bromomethane <br />mg/l <br />0.0233 <br />0.0232 <br />93.0 <br />49.9-162 <br />0.180 <br />20 <br />WG756012 <br />Carbon disulfide <br />mg/l <br />0.0231 <br />0.0228 <br />92.0 <br />64.6-140 <br />1.34 <br />20 <br />WG756012 <br />Carbon tetrachloride <br />mg/l <br />0.0252 <br />0.0242 <br />101. <br />70.2-123 <br />4.10 <br />20 <br />WG756012 <br />Chlorobenzene <br />mg/l <br />0.0278 <br />0.0270 <br />111. <br />78.1-119 <br />2.62 <br />20 <br />WG756012 <br />Chlorodibromomethane <br />mg/l <br />0.0283 <br />0.0274 <br />113. <br />74-121 <br />3.33 <br />20 <br />WG756012 <br />Chloroethane <br />mg/l <br />0.0242 <br />0.0234 <br />97.0 <br />61.7-135 <br />3.41 <br />20 <br />WG756012 <br />Chloroform <br />mg/l <br />0.0252 <br />0.0247 <br />101. <br />76-121 <br />1.66 <br />20 <br />WG756012 <br />Chloromethane <br />mg/l <br />0.0216 <br />0.0210 <br />86.0 <br />61.5-129 <br />2.88 <br />20 <br />WG756012 <br />cis-1,2-Dichloroethene <br />mg/l <br />0.0256 <br />0.0247 <br />102. <br />76-119 <br />3.38 <br />20 <br />WG756012 <br />cis-1,3-Dichloropropene <br />mg/l <br />0.0263 <br />0.0255 <br />105. <br />78.2-120 <br />2.79 <br />20 <br />WG756012 <br />Dibromomethane <br />mg/l <br />0.0250 <br />0.0243 <br />100. <br />79.5-118 <br />2.91 <br />20 <br />WG756012 <br />Ethylbenzene <br />mg/l <br />0.0275 <br />0.0268 <br />110. <br />78.8-122 <br />2.53 <br />20 <br />WG756012 <br />Iodomethane <br />mg/l <br />0.130 <br />0.127 <br />104. <br />61-130 <br />2.86 <br />20 <br />WG756012 <br />Methylene Chloride <br />mg/l <br />0.0240 <br />0.0233 <br />96.0 <br />70.3-120 <br />3.23 <br />20 <br />WG756012 <br />Styrene <br />mg/l <br />0.0280 <br />0.0268 <br />112. <br />80.4-126 <br />4.14 <br />20 <br />WG756012 <br />Tetrachloroethene <br />mg/l <br />0.0295 <br />0.0281 <br />118. <br />72.6-126 <br />4.93 <br />20 <br />WG756012 <br />Toluene <br />mg/l <br />0.0263 <br />0.0257 <br />105. <br />79.7-116 <br />2.28 <br />20 <br />WG756012 <br />trans-1,2-Dichloroethene <br />mg/l <br />0.0245 <br />0.0241 <br />98.0 <br />72.6-121 <br />1.45 <br />20 <br />WG756012 <br />trans-1,3-Dichloropropene <br />mg/l <br />0.0253 <br />0.0254 <br />101. <br />74.3-123 <br />0.710 <br />20 <br />WG756012 <br />trans-1,4-Dichloro-2-butene <br />mg/l <br />0.0251 <br />0.0248 <br />100. <br />65.1-123 <br />1.14 <br />20 <br />WG756012 <br />Trichloroethene <br />mg/l <br />0.0261 <br />0.0264 <br />104. <br />77.7-118 <br />1.37 <br />20 <br />WG756012 <br />Trichlorofluoromethane <br />mg/l <br />0.0265 <br />0.0267 <br />106. <br />63.5-135 <br />0.900 <br />20 <br />WG756012 <br />Vinyl acetate <br />mg/l <br />0.127 <br />0.118 <br />101. <br />65-138 <br />7.18 <br />20 <br />WG756012 <br />Vinyl chloride <br />mg/l <br />0.0229 <br />0.0225 <br />91.0 <br />65.9-128 <br />1.65 <br />20 <br />WG756012 <br />Xylenes, Total <br />mg/l <br />0.0829 <br />0.0802 <br />110. <br />78.7-121 <br />3.34 <br />20 <br />WG756012 <br />4-Bromofluorobenzene <br />104.0 <br />71-126 <br />WG756012 <br />Dibromofluoromethane <br />94.70 <br />78.3-121 <br />WG756012 <br />Toluene-d8 <br />101.0 <br />88.5-111 <br />WG756012 <br />a,a,a-Trifluorotoluene <br />104.0 <br />85-114 <br />WG756012 <br />Vinyl chloride <br />mg/i <br />0.0271 <br />0.0286 <br />108. <br />65.9-128 <br />5.64 <br />20 <br />WG757019 <br />4-Bromofluorobenzene <br />90.60 <br />71-126 <br />WG757019 <br />Dibromofluoromethane <br />103.0 <br />78.3-121 <br />WG757019 <br />Toluene-d8 <br />107.0 <br />88.5-111 <br />WG757019 <br />a,a,a-Trifluorotoluene <br />99.50 <br />85-114 <br />WG757019 <br />Chloride <br />mg/l <br />39.0 <br />39.0 <br />98.0 <br />90-110 <br />0.0 <br />20 <br />WG756798 <br />Sulfate <br />mg/i <br />39.8 <br />39.7 <br />99.0 <br />90-110 <br />0.0 <br />20 <br />WG756798 <br />Matrix Spike <br />Analyte <br />Units <br />MS Res <br />Ref Res <br />TV % Rec <br />Limit <br />Ref Samp <br />Batch <br />Chloride <br />mg/l <br />66.8 <br />18.2 <br />50 97.0 <br />80-120 <br />L734644-01 <br />WG755737 <br />Nitrate <br />mg/l <br />8.45 <br />3.60 <br />5 97.0 <br />80-120 <br />L734644-01 <br />WG755737 <br />* Performance of this Analyte <br />is outside <br />of established criteria. <br />For additional information, <br />please see <br />Attachment <br />A 'List of <br />Analytes with <br />QC Qualifiers.' <br />Page 18 of 23 <br />