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McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco, CA 94553 <br /> Tele: 925-798-1620 Fax: 925-798-1622 <br /> QC REPORT FOR VOCs {EPA 8240/8260 ) <br /> ' Date: 07/16/99-07/17/99 Matrix: WATER <br /> ' Concentration (ug/kg,ul I Recovery <br /> Analyte Sample Amount RPD <br /> � (#15328) MS MSD I Spiked MS MSD <br /> 11, 1-Dichloroethel 0 111 123 100 111 123 10.3 <br /> iTrichloroethene 1 0 89 104 100 89 104 15 .5 <br /> JEDB I N/A N/A N/A N/A N/A N/A N/A <br /> IChlorobenzene 1 0 101 13.1 100 101 111 9.4 <br /> ' Benzene f 0 96 108 100 96 108 11. 6 <br /> Toluene 1 0 101 109 I 100 101 109 7.6 <br /> I <br /> ' 4 Rec. - (MS - Sample) / amount spiked x 100 <br /> RPD - (MS - MSD) / (MS + MSD) x 2 X 100 <br /> i <br />