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ii <br /> 110 2nd Avenue South,#D7, Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele; 925-798-1620 Fax:925-798-1622 <br /> , <br /> ii QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> 1 <br /> Date: 01/08/99-01/09/99 Matrix: WATER <br /> f � <br /> Jilconcentration (ug/kg,ul Is Recovery <br /> Analyte ISample Amount RPB <br /> .(##01640) MS MSD I Spiked I MS MSD <br /> 11, 1-Dichloroethel _ 0 129 135 1 100 I 129 135 4 .5 <br /> Trichloroethene 0 91 98 1 100 91 98 7 .4 <br /> EDB (' N/A N/A N/A I N/A I N/A N/A N/A <br /> IChlorobenzene j3 0 81 81 1 100 81 81 0 .0 <br /> + (Benzene l ' 0 101 105 1 100 101 105 3 .9 <br /> Toluene 0 93 103 ( 100 93 103 10.2 <br /> p <br /> 'k Rec. _ (MS - Sample) / amounr spiked x loo <br /> � n?D' = ',MS - MSD} / (MS + MSD) x 2 x 100 <br /> it <br /> ,i. <br /> 1 � ' <br /> j { <br /> 1 �{ <br /> E i <br /> j <br /> i, <br /> l �' <br />