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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> rf <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date. 07/08/98-07/09/98 Matrix: WATER <br /> I Concentration (ug/kg,ul I W Recovery 1 <br /> Analyte I Sample I Amount I RPD 1 <br /> 1 (#91820) MS MSD I Spiked 1 MS MSD <br /> _-• I I I I 1 <br /> 11,1-Dichloroethel 0 113 104 1 100 I 113 104 8.3 ] <br /> ITrichloroethene 1 0 81 72 1 100 I 81 72 11.8 ] <br /> ZEDS 1 N/A N/A N/A 1 N/A I N/A N/A N/A ] <br /> IChlorobenzene 1 0 90 82 1 100 I 90 82 9.3 ] <br /> 113enzene 1 0 95 86 1 100 1 95 86 9.9 1 <br /> IToluene 1 0 101 98 1 100 I 101 98 3 .0 ] <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br />