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110 2nd Avenue South, #137,Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/6260 ) <br /> I <br />' Date 02/28/98 Matrix WATER <br />' l l Concentration (ug/kg,ul Recovery <br /> Analyte Sample I Amount RPD <br /> l <br /> 1 (#86240) MS MSD Spiked MS MSD <br /> 11, 1-Dichloroethel 0 97 97 1 100 97 97 0 0 <br /> lTrichloroethene l 0 82 80 l 100 l 82 80 2 5 l <br /> IEDB l 0 110 110 l 100 110 110 0 0 <br /> �Chlorobenzene 1 0 109 109 l 100 l 109 109 0 0 j <br /> lBenzene 1 0 105 100 1 100 i 105 100 4 9 l <br />' lToluene l 0 101 101 l 100 l 101 101 0 0 l <br /> l l l <br /> N <br />' Rec = CMS - sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (M5 + MSD) x 2 x 100 <br /> 1 <br /> 1 <br />