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110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> EcCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> IQC REPORT FOR VOCs (EPA 8240/8260 } <br /> Date 10/20/98 Matrix SOIL <br /> Concentration (ug/kg,ul I �k Recovery <br /> Analyte Sample Amount RPD <br /> MS MSD Spiked MS MSD <br /> I1, 1-Dichloroethel 0 92 97 100 92 97 5 3 <br /> Trichloroethene 1 0 79 82 100 79 82 3 7 <br /> IEDB I N/A N/A N/A I N/A I N/A N/A N/A <br /> IChlorobenzene 1 0 96 96 100 96 96 0 0 <br /> Benzene 1 0 90 93 100 90 93 3 3 <br /> Toluene I 0 91 97 100 91 97 6 4 <br /> lie <br /> Rec (MS - Sample) / amount spiked x 100 <br /> RPD 'MS - MSD) / (MS + MSD) x 2 x 100 <br />