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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 51.0-798-1620 Fax 510-798-1622 <br /> s <br /> 1 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ? <br /> Date 08/18/97-08/20/97 Matrix Water <br /> I <br /> I Concentration (ug/kg,ul % Recovery <br /> Analyte l Sample Amount RPD <br />' $# (75865) MS MSD Spiked MS MSD <br />' 11, 1-Dmchloroethel 0 0 100 0 97 0 l 100 100 97 3 0 l <br /> lTrichloroethene l 0 0 83 0 83 0 l 100 l 83 83 0 0 <br /> IEDB l 0 0 95 0 89 0 l 100 l 95 89 6 5 l <br />' lChlorobenzene l 0 0 97 0 93 O l 100 l 97 93 4 2 l <br /> lBenzene l 0 0 105 0 101 0 l 100 l 105 101 3 9 l <br /> lToluene l 0 0 1.01 0 100 0 l 100 l 101 100 1 0 l <br /> l � 1 <br /> Rec = (MS - sample) / amount spiked x 100 <br />' RPD = (MS - MSL)) / (MS + MSD) x 2 x 100 <br /> I <br /> I <br />