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i <br /> 110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 925-798-1620 Fax 925-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 01/21/99-01/22/99 Matrix SOIL <br /> Concentration (ug/kg,u� I % Recovery <br /> Analyte Sample � Amount RPD <br /> 1 (#95578) MS MSD I Spiked MS MSD <br /> E <br /> 11, 1-Dichloroethel 0 74 64 1 100 74 64 14 5 <br /> Trichloroethene 1 0 86 90 100 86 90 4 5 <br /> EDB N/A N/A N/A N/A N/A N/A N/A <br /> IChlorobenzene 0 97 97 100 I 97 97 0 0 <br /> Benzene 0 92 90 100 92 90 2 2 <br /> Toluene 0 100 104 100 100 104 3 9 <br /> Rec = (MS - Sample) / amount spiked x 100 <br /> IRPD = (MS - MSD) / (vS + MSD) x 2 x 100 <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> i <br /> I <br /> I <br />