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WCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax:510-798-1622 <br /> 1 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br />' Date: 09/09/97-09/10/97 Matrix: Soil <br />' f Concentration (ug/kg,ul I % Recovery <br /> Analyte I Sample I Amount I RPD <br />' I# (75874) MS MSD I Spiked I MS MSD <br /> 11, 1-Dichl.oroethel 0 . 0 100 .0 97 .0 I 100 I 100 97 3 . 0 <br />' ITrichloroethene I 0 . 0 83 .0 83 .0 I 100 I 83 83 0 . 0 <br /> JEDB I 0 . 0 95 .0 89 .0 I 100 I 95 89 6 .5 <br /> 4Chlorobenzene j 0 . 0 97 .0 93 .0 I 100 I 97 93 4 .2 <br />' (Benzene i 0 . 0 105 .0 101 .0 100 I 105 101 3 . 9 <br /> IToluene 0 . 0 101 .0 100 .0 100 I 101 100 1 . 0 } <br /> I f <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br />