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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> F1 McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> • <br /> ' QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 12/04/97-12/05/97 Matrix Water <br /> Concentration (ug/kg,ul Recovery } <br /> Analyte I Sample Amount RPD <br /> 1# (83808) MS MSD Spiked MS MSD <br /> 11, 1-Dichloroet:hel 0 109 0 105 0 I 100 0 109 105 3 7 <br /> ' Trichloroethene 1 0 92 0 95 0 I 100 0 I 92 95 3 2 <br /> EDB 1 0 95 0 98 0 100 0 95 98 3 1 <br /> IChlorobenzene 1 0 101 0 101 0 100 0 101 101 0 0 <br /> Benzene 1 0 99 0 101 0 I 100 0 99 101 2 0 <br /> Toluene 1 0 100 0 101 0 100 0 ( 100 101 1 0 <br /> ' 8 Rec (MS - Sample) / amount spiKed x 100 <br /> RPD = ;MS - MSD) / (PS + MSD) x 2 x 100 <br /> 1 <br /> r <br /> (0 <br />