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210 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele: 925-798-1620 Fax:925-798-1622 <br /> QC REPORT FOR VOCs {EPA 8240/8260 ) <br /> 1 <br /> Date: 08/26/99-08/27/99 Matrix: SOIL <br />' Concentration (ug/kg,ul I Recovery <br /> Analyte Sample I Amount I RPD <br /> 1 (#09486) MS MSD Spiked MS MSD <br /> 1 <br /> 11, 1-Dichloroethel 0 94 90 100 94 90 4 .3 <br />' Trichloroethene 1 0 81 78 100 61 78 3 . 8 <br /> IEDB I N/A N/A N/A N/A N/A N/A N/A <br /> IChlorobenzene 0 105 103 100 ' 105 103 1. 9 <br /> Benzene 0 98 96 100 98 96 2 .1 <br />' Toluene 0 106 103 100 106 103 2 .9 <br />' 8 Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />