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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tcle:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> IDate: 08/18/97-08/20/97 Matrix: Water <br />' I Concentration (ug/kg,ul I % Recovery <br /> Analyte I Sample Amount I RPD <br />' I 1# (75865) MS MSD I Spiked MS MSD <br /> 11, 1-Dichloroethel 0.0 100 .0 97.0 I 100 100 97 3 . 0 <br />' ITrichloroethene 1 0. 0 83 .0 83 .0 I 100 1 83 83 0. 0 <br /> IEDB 1 0 . 0 95. 0 89. 0 I 100 95 89 6.5 <br /> IChlorobenzene 1 0 .0 97 . 0 93 . 0 I 100 I 97 93• 4.2 <br /> (Benzene 1 0 .0 105 .0 101. 0 I 100 I 105 101 3 .9 1 <br /> 1Toluene 1 0.0 101 .0 100.0 f 100 I 101 100 1.0 1 <br /> I i ! <br /> N <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br /> f <br /> f <br /> I <br /> I <br /> I <br />