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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. <br /> Tele:510-798-1620 Fax:510-798-1622 <br /> 1 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date: 11/06/97-11/07/97 Matrix: Water <br /> 1 Concentration (ug/kg,ul $ Recovery 1 <br /> l Analyte Sample I Amount I RPD l <br /> i 1 #(82467) MS MSD 1 Spiked 1 MS MSD 1 <br /> 11, 1-Dichlorcethel 0 109.0 105. 0 1 100 .0 1 109 105 3 .7 l <br /> jTrichloroethene 1 0 92 . 0 95 .0 l 100. 0 1 92 95 3 .2 1 <br />' 1ED13 1 0 95.0 98. 0 1 100 .0 1 95 98 3 .1 1 <br /> lChlorobenzene 1 0 101.0 101.0 1 100 .0 101 1.01 0 .0 <br /> 1Benzene 1 0 99 .0 101. 0 1 100 .0 l 99 101 2 .0 1 <br /> ' 1Toluene l 0 100 .0 101.0 1 100.0 1 100 101 1.0 1 <br /> 4 1 <br /> ' W Rec.�= (MS - sample} / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br />