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1 <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele: 510-798-1620 Pax: 510-798-1622 <br /> 40 <br /> QC REPORT FOR VOCs {EPA 8240/8260 ) <br />' Date- 08/18/97.08/20/97 Matrix: Water <br /> tConcentration (ug/kg,ul I % Recovery <br /> Analyte I Sample Amount RPD <br />' 14 (75865) MS MSD i 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 /> EDB 1 0 . 0 95 . 0 89 . 0 100 95 89 6 . 5 <br /> lChlorobenzene I 0 . 0 97.0 93 . 0 100 97 93 4 .2 <br />' Benzene 1 0 .0 105 .0 101 . 0 100 105 101 3 .9 <br /> Toluene € 0. 0 101. 0 100 . 0 100 101 100 1 . 0 <br />' 'k Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />