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110 Second Avenue South,#137,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> htrp://www.mrgaMpbell.com E-mail main@mccampbel!com <br /> r <br /> • <br /> r <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> r <br /> Date 01/29/99-01/30/99 Matrix WATER <br /> r <br /> Concentration (ug/kg,ul Recovery <br /> Analyte Sample I Amount I RPD <br /> 1 (#02.3:L9) MS MSD I Spiked I MS MSD <br /> r11, 1-Dichloroethel 0 99 92 100 99 92 7 3 <br /> ITrzchloroethene 1 0 101 91 100 101 91 10 4 <br /> 1EDE I N/A N/A N/A N/A N/A N/A N/A <br /> CChlorobenzene 0 105 95 100- 10a 95 10 0 <br /> [Benzene 0 113 108 100 113 108 4 5 <br /> rToluene 0 112 108 100 112 108 3 6 <br /> I� <br /> V Ree (MS - Sample) / amount spiked x 100 <br />' RPP (MS - MSD) / (MS + MSB) x 2 x 100 <br /> I <br /> I <br />