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F� 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. <br /> Tele:510-798-1620 F=510-798-1622 <br /> t <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date: 08/25/97-08/26/97 Matrix: Water <br /> i <br /> Concentration (ug/kg,ul j % Recovery <br /> Analyte I Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> ,i <br /> 11,1-Dichloroethe) 0.0 100.0 97.0 1 100 100 97 3 .0 <br /> Trichloroethene 1 0.0 83.0 83 .0 100 83 83 0.0 <br /> JEDB 1 0.0 95.0 89.0 100 95 89 6.5 <br /> IChlorobenzene 1 0.0 97.0 93 .0 100 97 93 4 .2 <br /> rr Benzene 1 0.0 105.0 101.0 ' 100 105 101 3.9 <br /> Toluene 1 0.0 101.0 100.0 100 101 100 1.0 <br /> W Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS . MSD) x 2 x 100' <br /> A <br /> f <br /> i <br /> I <br />