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1 <br /> 110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 } <br /> Date 11/02/97-11/03/97 Matrix Water <br />' I Concentration (ug/kg,ul Recovery <br /> Analyte I Sample Amount I RPD <br />' 1 1 # (92389) MS MSD I Spiked I MS MSD <br /> I I I I i <br /> 11, 1-Dachloroethel 0 109 0 105 0 1 100 0 1 109 105 3 7 1 <br />' ITrichloroethene 1 0 92 0 95 0 I 100 0 1 92 95 3 2 1 <br /> 1EDB I 0 95 0 98 0 I 100 0 1 95 98 3 1 1 <br /> 1Chlorobenzene 1 0 101 0 101. 0 1 100 0 I 101 101 0 0 1 <br />' 1Benzene I 0 99 0 101 0 1 100 0 1 99 101 2 0 1 <br /> IToluene 1 0 100 0 101 0 1 100 0 1 100 101 1 0 1 <br /> I <br />' Rec (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />