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110 2nd Avenue South, #D7,Pacheco, CA 94553 <br /> FcCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 } <br />' Date: 09/24/97 Matrix: Soil <br /> Concentration (ug/kg,ul I % Recovery <br /> Analyte I Sample I Amount RPD <br /> 1# (79442) MS MSD Spiked I MS MSD <br /> 11, 1-Dichloroethel 0 . 0 100 .0 97 . 0 100 100 97 3 .0 <br /> Trichloroethene 1 0 . 0 83 .0 83 .0 100 83 83 0 .0 <br /> JEDB I 0 .0 95. 0 89 .0 I 100 I 95 89 6 .5 <br /> ' Chlorobenzene 1 0 .0 97 . 0 93 . 0 100 97 93 4 .2 <br /> Benzene I 0 . 0 105 .0 101 . 0 100 1.05 101 3 .9 <br /> Toluene 1 0 . 0 101 .0 100 . 0 100 101 100 1. 0 <br /> $ Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = ;MS - MSD) / (MS + MSD) x 2 x 100 <br />