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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> ' ETMcCAAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> I <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date: 01/27/98 Matrix: WATER <br />' 1 I Concentration (ug/kg,ul 1 % Recovery <br /> 1 Analyte I Sample 1 Amount 1 RPD j <br /> ]#(85237) MS MSD 1 Spiked 1 MS MSD <br /> 11, 1-Dichloroethel 0 109.0 105.0 1 100.0 1 109 105 3 .7 <br /> (Trichloroethene 1 0 92 .0 95.0 1 100.0 ( 92 95 3 .2 i <br /> JEDB 1 0 95.0 98.0 1 100.0 1 95 98 3 .1 <br /> [Chlorobenzene 1 0 101.0 101.0 1 100.0 1 101 101 0 -0 <br />' IBenzene 1 0 99.0 101.0 1 100.0 1 99 101 2 .0 <br /> (Toluene 1 0 100.0 101.0 1 100. 0 1 100 101 1.0 <br /> 1 I <br />' $ Rec. a (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />