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110 2nd Avenue South,#137,Pacheco,CA 94553 <br /> DM�CPBELL ANALYTICAL INC Tele 510-798-1620 F=510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 09/15/98 Matrix WATER <br /> Concentration (ug/kg,ul I $ Recovery <br /> Analyte sample I Amount I RPD <br /> 1 (#94788) MS MSD Spiked MS MSD <br /> 11, 1-Dichloroethel 0 79 84 k 100 79 84 5 0 <br /> ]Trichloroethene j 0 75 77 3 100 75 77 3 3 E <br /> IEDB N/A N/A N/A I N/A N/A N/A N/A i <br /> IChlorobenzene 0 94 93 100 94 93 0 9 <br /> Benzene 0 87 91 100 67 91 4 9 <br /> Toluene 0 90 92 100 90 92 2 7 <br /> t Rec (MS - Sample} / amount spiked x 100 <br /> RPD (MS - MSD) / CMS + MSD) x 2 x 100 <br />