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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 11/17/97-11/18/97 Matrix WATER <br />' I Concentration (ug/kg,ul 1 % Recovery <br /> 1 Analyte I Sample I Amount I RPD <br /> I #(82683) MS MSD I Spiked I MS MSD <br /> 11., 1-Dichloroethel 0 109 0 105 0 I 100 0 1 109 105 3 7 l <br />' ITrichloroethene I 0 92 0 95 0 1 100 0 I 92 95 3 2 <br /> 1EDB 1 0 95 0 98 0 1 100 0 I 95 98 3 1 <br /> IChlorobenzene 1 0 101 0 101 0 I 100 0 I 101 101 0 0 1 <br /> (Benzene 1 0 99 0 101 0 I 100 0 I 99 101 2 0 <br /> (Toluene 1 0 100 0 101 0 I 100 0 I 100 101 1 0 1 <br /> I <br /> Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MqD) / (MS + MSD) x 2 x 100 <br /> I <br />• <br /> I <br />