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COLUMBIA ANALYTICAL SERVICES. INC <br /> QA/QC Report - <br /> • Client EMCON Associates Date Received 08/26/92 <br /> Project EMCON Project No G71-38 01 Work Order # SJ92-1071 <br /> Arco Facility No 2168 <br /> Initial Calibration Verification <br /> Halogenated Volatile Organic Compounds <br /> EPA Methods 5030/601 <br /> Nanograms <br /> EPA <br /> Percent <br />` Recovery <br /> True Percent Acceptance <br /> Analyte Value Result Recovery Criteria <br /> Chloromethane 50 43 86 D-193 <br /> Vinyl Chloride 50 49 98 28-163 <br /> 1 Bromomethane 50 55 110 D-144 <br /> Chloroethane 50 54 108 46-137 <br /> Trichlorofluoromethane (Freon 11) 50 54 108 21-156 <br /> 1,1-Dichloroethene 50 59 118 28-167 <br /> Methylene Chloride 50 49 98 25-162 <br /> trans-l,2-D,chloroethene 50 52 104 38-155 <br /> 1 , 1,1-Dichloroethane 50 50 100 47-132 <br /> Chloroform 50 47 94 49-133 <br /> 1,1,1-Trichloroethane (TCA) 50 52 104 41-138 <br /> Carbon Tetrachloride 50 52 104 43-143 <br /> 1,2-Dichloroethane 50 58 116 51-147 <br /> Trichloroethene ITCE) 50 52 104 35-146 <br /> 1,2-Dichloropropane 50 53 106 44-156 <br /> Bromodichloromethane 50 50 100 42-172 <br /> trans-l,3-Dichloropropene 50 54 108 22-178 <br /> cis-1,3-Dichloropropene 50 48 96 22-178 <br /> 1,1,2-Trichloroethane 50 52 104 39-136 <br /> Tetrachloroethene (PCE) 50 56 112 26-162 <br /> Dibromochloromethane 50 49 98 24-191 <br /> r Chlorobenzene 50 52 104 38-150 <br /> Bromoform 50 41 82 13-159 <br /> 1,1,2,2-Tetrachloroethane 50 49 98 8-184 <br /> 1,3-Dichlorobenzene 50 50 100 7-187 <br /> 1,4-Dichlorobenzene 50 55 110 42-143 <br /> 1,2-Dichlorobenzene 50 51 102 D-208 <br /> D Detected <br /> Approved by OL, Date <br />(1 <br /> 11 <br />