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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 925-795-1620 Fax 925-798-I622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 1 <br /> Date 11/08/98-11/09/98 Matrix WATER <br /> i 1 <br /> i <br /> ' Concentration (ug/kg,u� Recovery f <br /> Analyte Sample I Amount RPD <br /> MS MSD Spiked MS MSD <br /> ' 11,1-Dichloroethej 0 108 115 j 100 j 108 115 6 3 j <br /> Trichloroethene 1 0 86 97 100 86 97 12 0 <br /> ' IEDB I N/A N/A N/A I N/A N/A N/A N/A <br /> IChlorobenzene 1 0 83 88 1 100 83 88 5 8 <br /> Benzene f 0 95 101 1 100 95 101 6 1 <br /> ' Toluene 1 0 94 97 100 94 97 3 1 <br /> Rec (MS - Sample) / amount spiked x 100 <br /> ' RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> i <br /> 1 <br /> 1 � <br /> I <br /> I <br />