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110 2nd Avenue outh,#D7, Pacheco,CA 94553 <br /> r MCCAMPBELL ANALYTICAL INC. TI,: 925-798-1620 Fax:925-798-1622 <br /> z <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Y` <br /> Date: 12/31/98-01/01/99 Matrix: SOIL <br /> ,tr <br /> Concentration (ug/kg,ul I Recovery, <br /> Analyte Sample Amount RPD <br /> I (#95831) MS MSD Spiked MS MSD <br /> 11, 1-Dichloroethel 0 90 96 1 100 90 96 6.5 <br /> Trichloroethene 1 0 98 107 100 98 107 8.8 <br /> EDB N/A N/A N/A N/A N/A N/A N/A <br /> ]Chlorobenzene 0 97 102 100 97 1102 5 .0 <br /> jBenzene ' 0 107 115 100 107 115 7.2 <br /> IToluene 0 125 134 100 125 134 6.9 <br /> t <br /> r <br /> Rec. =' (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> y <br /> �kk <br /> fi]y <br /> A <br /> l) <br /> I: <br /> f <br /> . TI <br /> �F <br /> T <br /> :'S <br />