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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 /> l <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> ' Date: 08/25/99-08/26/99 Matrix: WATER <br /> Concentration (ug/kg,ul I % Recovery 1 <br /> Analyte I Sample I Amount I RPD l <br /> 1 (#17266) MS MSD I Spiked I MS MSD 1 <br /> 11, 1-Dichloroethel 0 80 82 I 100 1 80 82 2.5 l <br /> ITrichloroethene 1 0 76 77 1 100 1 76 77 1.3 1 <br /> 1EDB I N/A N/A N/A 1 N/A 1 N/A N/A N/A 1 <br /> lChlorobenzene 1 0 97 100 1 100 1 .97 100 3 .0 1 <br /> (Benzene i 0 92 94 I 100 1 92 94 2 .2 1 <br /> (Toluene I 0 100 100 I 100 1 100 100 0 .0 1 <br /> I I I <br /> ' 6 Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> r <br />