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110 2nd Avenue South #D7, Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 925-798-1620 Fax 925-7981622 <br /> ' QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 11/05/98-11/06/98 Matrix WATER <br /> ' l Concentration (ug/kg,ul l % Recovery l <br /> l Analyte l Sample l Amount. I RPD l <br /> ' I l MS MSD l Spiked I MS MSD l <br /> I I I I 1 <br />' I1, 1-Dzchloroethel 0 112 129 l 100 l 112 129 14 1 <br /> (Trichloroethene 1 0 88 101 l 100 l 88 101 13 8 l <br /> (EDB I N/A N/A N/A l N/A I N/A N/A N/A l <br /> lChlorobenzene 1 0 95 109 l 100 1 95 109 13 7 l <br />' lBenzene 1 0 99 113 l 100 1 99 113 13 2 l <br /> IToluene l 0 88 101 l 100 1 88 101 13 8 l <br /> I I I I <br />' 4 Ret (MS - Sample) / amount sp.ked x 100 <br /> RPD _ {MS - MSD; / kMS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br />