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1 <br /> MCCA.MPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:925.798.1620 Fax;925-798.1622 <br /> ' QC REPORT FOR VOCs (EPA 8240/8260 } , <br /> Date: 04/14/99-04/15/99 Matrix: WATER <br /> ' Concentration (ug/kg,ul Recovery <br /> Analyte ! Sample I Amount RPD <br /> I (408838) MS MSD Spiked MS MSD <br /> I I f <br /> ' I1, 1-Dichloroethel 0 127 133 100 I 127 133 4.6 <br /> Trichloroethene I 0 108 106 100 I 108 106 1.9 <br /> ' IEDB I N/A N/A N/A I N/A I N/A N/A N/A <br /> IChlorobenzene I 0 94 98 1 100 I 94 98 4.2 <br /> Benzene I 0 128 133 100 I 128 133 3 .8 <br /> ' IToluene I 0 110 118 100 I 110 118 7.0 i <br /> I Rec. (MS - Sample) / amount spiked x 100 <br /> ' RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br />