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1 <br /> 110 2nd Avenue South, #137, Pacheco,CA 94553 <br /> McCAMPFELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 } <br /> 1 <br />' Date: 09/30/97 Matrix: Water <br /> t1 I Concentration (ug/kg,ul % Recovery 1 <br /> Analyte 1 Sample 1 Amount I RPD 1 <br /> 1 1 # (80837) MS MSD I Spiked I MS MSD 1 <br /> 11, 1-Dichloroethel 0.0 100 .0 97 .0 1 100 1 100 97 3 .0 <br /> ITrichloroethene 1 0 . 0 83 .0 83.0 1 100 I 83 83 0 .0 1 <br /> (EDB 1 0 . 0 95 .0 89. 0 1 100 I 95 89 6 .5 l <br /> IChlorobenzene 1 0 . 0 97 .0 93 .0 I 100 1 97 93 4 .2 1 <br /> (Benzene 1 0 .0 105 .0 101.0 1 100 I 105 101 3 . 9 1 <br />' IToluene 1 0 . 0 101 . 0 100 .0 1 100 1 101 100 1.0 1 <br /> I 1 <br />' 'k Rec. (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 7.00 <br /> i <br />