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110 2nd Avenue South,#D7,Pacheco,CA 94558 <br /> McCAWBELL ANALYTICAL INC. Tele:925.798-1620 Fax:925-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date: 08/25/99-08/26/99 _ Matrix: WATER <br /> Concentration (ug/kg,ul Recovery <br /> Analyte Sample I Amount RPD <br /> (#17266) MS MSD Spiked MS MSD <br /> 11,1-Dichloroethel 0 80 82 100 1 80 82 2 .5 <br /> ITrichloroethene I 0 76 77 1 100 1 76 77 1.3 <br /> IEDB I N/A N/A N/A 1 N/A 1 N/A N/A N/A <br /> IChlorobenzene 1 0 97 loo 1 loo 1 97 100 3 .0 1 <br /> 1Benzene 1 0 92 94 1 100 I 92 94 2.2 1 <br /> ' 1Toluene 1 0 100 100 1 100 1 loo 100 0.0 1 <br /> M <br /> 4 Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />