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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPSELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br />' Date 10/05/98-10/06/98 Matrix SOIL <br /> 1 I Concentration (ug/kg,ul I Recovery <br /> 1 Analyte I Sample I Amount I RPD 1 <br /> I 1 ('-95983) MS MSD 1 Spiked 1 MS MSD 1 <br /> I <br /> I1, 1-Dichloroethel 0 67 81 1 100 1 $7 $1 7 7 1 <br /> Trichloroethene 1 0 87 85 1 100 1 87 85 2 6 1 <br /> EDB 1 0 111 113 1 100 1 111 113 1 8 1 <br /> IChloronenzene 1 0 110 106 1 100 1 110 106 3 7 1 <br /> 1Benzene I 0 99 94 I 100 1 99 94 4 8 1 <br /> IToluene 1 0 106 101 1 100 1 106 l01 4 8 1 <br /> I I 1 <br /> 1 6 Rec = (MS - SamDle) / amot.rc sn-ked x 100 <br />' RPD ,MS - MSD) / (+"S + MSD, x 2 x 100 <br />