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1 <br />' McCAMPBELL ANALYTICAL INC 110 2nd Avenue South,#D7, Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-79871622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br />' Date 11/13/97-11/14/97 Matrix Soil <br />' I Concentration (ug/kg,ul I % Recovery <br /> Analyte I Sample I Amount I RPD <br />' I# (79454) MS MSD I Spiked I MS MSD <br /> 11, 1-Dichl.oroethel 0 109 0 105 0 I 100 0 I 109 105 3 7 <br />' ITrichloroethene I 0 92 0 95 0 I 100 0 I 92 95 3 2 l <br /> IEDB I 0 95 0 98 0 I 100 0 I 95 98 3 1 I <br /> IChlorobenzene I 0 101 0 101 0 I 100 0 I 101 101 0 0 I <br /> IBenzene I 0 99 0 101 0 I 100 0 I 99 101 2 0 l <br /> IToluene I 0 100 0 101 0 I 100 0 l 100 101 1 0 l <br /> I I I I I <br />' 8 Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br />