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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 925-798-1620 Fax 925-798-1622 <br /> S ' <br /> ` QC REPORT' FOR VOCs (EPA 8240/8260 ) <br /> 1 1 h <br /> Date 12/01/98-12/02/98 Matrix W7 ,TER ^ <br /> I I Concentration (ug/kg,ul I % Recovery I <br /> l _ Analyte I Sample I { Amount I RPD 1 <br /> I I (#99232) MS MSD I Spiked I MS MSD <br /> ' <br /> 11, 1-Dachlorcethel 0 121 124 I ' 100 I 121 124 2 4 <br /> ITrichloroethene 1 0 88 89 I 100 I 88 89 1 1 1 <br /> IEDB I N/A N/A N/A I N/A I N/A N/A N/A <br /> IChlorobenzene 1 0 83 85 1 100 1 83 85 2 3 l <br /> 1Benzene 1 0 96 99 1 100 1 96 99 3 1 1 <br />' lToluene . 1 0 91 92 1 100 1 91 92 1 1 1 <br />' t Rec fms - Sample) / amount spiked x 100 <br /> i <br /> RPD (MS - MSD) / SMS + MSD) x 2 x 100 <br /> L <br /> r <br /> I <br /> _ h <br /> F <br /> k <br /> L Y <br /> L 1 � <br /> I <br /> f ' <br /> t <br />