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i <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> • <br /> QC REPORT FOR VOCs (EPA 8240/8260 ? <br /> Date 11/09/97-11/11/97 Matrix Water <br /> I Concentration (ug/kg,ul l Recovery 1 <br /> Analyte I Sample I Amount I RPD 1 <br /> I <br /> 1 # (82467) MS MSD I Spiked I MS MSD 1 <br /> I I I I I <br /> 11, 1-Dichlorcethel 0 109 0 105 0 1 100 0 1 109 105 3 7 l <br /> (Trichloroethene 1 0 92 0 95 0 1 100 0 1 92 95 3 2 1 <br /> (EDB 1 0 95 0 98 0 1 100 0 1 95 98 3 1 1 <br /> 1Chlorobenzene 1 0 101 0 101 0 1 100 0 1 101 101 0 0 1 <br /> 1Benzene 1 0 99 0 101 0 1 100 0 1 99 101 2 0 <br /> IToluene 1 0 100 0 101 0 1 100 0 1 100 101 1 0 <br /> l I I <br /> i <br /> I Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> i <br />