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i10 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> E7MCCM <br /> MPBELL ANALYTICAL INC. Tele: 510-798-1620 Fa:510-798-1622 <br /> 1 <br />' QC REPORT FOR VOCs {EPA 8240/6260 ) <br />' Date: 09/24/97 Matrix: Soil <br />' Concentration (ug/kg,ul Recovery <br /> Analyte Sample 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 /> IEDB I 0.0 95 .0 89-0 I 100 I 95 89 6.5 <br /> IChlorobenzene 0 . 0 97 .0 93 . 0 100 97 93 4 .2 <br />' Benzene 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 /> E <br /> W Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSI]) x 2 x 100 <br /> I <br /> I <br />