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110 2nd Avenue South, #137, Pacheco,CA 94553 <br />' McCAMPBELL ANALYTICAL INC TLIe 510-798-1620 Fax 510-798-1622 <br /> • <br />' QC REPORT FOR VOCs (EPA 8240/8260 ? <br /> Date 08/12/97 Matrix Water <br />' ! I Concentration (ug/kg,ul % Recovery <br /> Analyte I Sample Amount I RPD <br /> I # (79652) MS MSD Spiked MS MSD <br /> 11, 1-Dichloroethej 0 0 100 0 97 0 I 100 100 97 3 0 <br />' ITrichloroethene I 0 0 83 0 83 0 I 100 83 83 0 0 <br /> IEDR I 0 0 95 0 89 0 I 100 95 89 6 5 <br /> IChlorobenzene I 0 0 97 0 93 0 I 100 I 97 93 4 2 <br /> IBenzene I 0 0 105 0 101 0 100 I 105 101 3 9 <br />' IToluene I 0 0 101 0 100 0 I 100 I 101 100 1 0 <br /> I I <br /> Rec = us - Sample) / amount spiked v 100 <br /> RPD = (MS - MSD) / (i- + MSD, x 2 100 <br /> 1 <br /> 1 <br /> 1 <br /> • <br />