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110 2nd Avenue,South, #D7, Pacheco, CA 94553 <br />' McCAMPBELL ANALYTICAL INC TLIC 510-798-1620 Fax 510-798-1622 <br /> I <br />' 4C REPORT FOR VOCs (EPA 8240/8260 ) <br />' Date 11/09/97-11/11/97 Matrix Water <br />' Concentration (ug/kg,ul I % Recovery <br /> Analyte Sample I Amount I RPD <br /> 14 (82467) MS MSD I Spiked MS MSD <br /> 11, 1-Dichloroethel 0 109 0 105 0 I 100 0 I 109 105 3 7 1 <br />' ITrichloroethene 1 0 92 0 95 0 I 100 0 l 92 95 3 2 1 <br /> JEDS 1 0 95 0 98 0 I 100 0 l 95 98 3 1 <br /> IChlorobenzene 1 0 101 0 101 0 I 100 0 l 101 101 0 0 <br /> IBenzene 1 0 99 0 101 0 I 100 0 l 99 101 2 0 <br /> Toluene I 0 100 0 101 0 I 100 0 l 100 101 1 0 <br /> M <br /> t Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSA) / (MS + MSD) x 2 x 100 <br /> I <br /> I <br />