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c ~v COLUMBIA ANALYTICAL SERVICES. INC. <br /> QA/QC Report <br /> Client: EMCON Associates Date Received: 12/18,92 <br /> Project: EMCON Project No. OG71-038 01 Service Request No. 8,192-1604 <br /> Arco Facility No. 2168 <br /> Initial Calibration Verification <br /> Halogenated Volatile Organic Compounds <br /> EPA Methods 5030/601 <br /> Nanoprarns <br /> Date Analyzed 12/21/92 <br /> EPA <br /> Percent <br /> Recovery <br /> Anadyte True Percent Acceptance <br /> Value Result Recovery Criten <br /> Chloromethane 50 27 54 x193 <br /> Vinyl Chloride 50 41 82 28-163 <br /> 8romomethane 50 33. 66 D-144 <br /> Chloroethane 50 39. 78. 46.137 <br /> Tnchlorofluoromethane (Freon 11) 50 41 82. 21-156 <br /> 1.1-Dichloroethene 50 45 90 28-167 <br /> Methylene Chloride 50 33 66. 25-162 <br /> trans-1,2-Dichioroethens 50 38. 76 38-155 <br /> 1.1-Dichloroethane 50 39 78 47-132 <br /> Chloroform 50 37 74 49-133 <br /> 1.1,1-Trichloroethane (TCA) 50 37 74 41-138 <br /> Carbon Tetrachloride 50 40 80 43-143 <br /> 1,2-Dichloroethans 50 43 86. 51-147 <br /> Trichloroethene ITCE) 50 45 90 35-146 <br /> 1.2-DEchloropropons 50 48 96 44-156 <br /> Bromodichloromethane 50 48 96. 42-172 <br /> trans-1.3-Dichloropropene 50 55 110 22-178 <br /> crs-1,3-Dichloropropene 50 47 94 22-178 <br /> 1,1,2-Trichloroethane 50 44 88 39-136 <br /> Tetrachloroethene IPCE) 50 46 92. 26-162 <br /> Dibromochloromethane 50 49. 98. 24-191 <br /> Chlorobenzene 50 46 92. 38-150 <br /> Sromoform 50 44 88 13-159 <br /> 1,1.2,2-Tetrachicroethans 50 46 92 8-184 <br /> 1,3-Dichlorobenzene 50 46 92. 7-187 <br /> 1.4-Dichlorobenzene 50 50 100 42-143 <br /> 1.2-Dichlorobenzene 50 48 96 D-208 <br /> D Detected <br /> Approved by: Date: �"tCh1� r'c <br /> 11 <br />