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r <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Fate: 09/09/97-09/10/97 Matrix: Water <br /> Concentration (ug/kg,ul 1 % Recovery <br /> 1 Analyte 1 I Amount } RPD l <br /> 1 1 Sample MS MSD l Spiked l MS MSD l <br /> I 1 � <br /> 11, 1-Dichloroethe} 0. 0 100 .0 97 .0 1 100 l 100 97 3 . 0 1 <br /> }Trichloroethene I 0.0 83 .0 83 . 0 i 100 1 83 83 0 . 0 1 <br /> ZEDS I 0 .0 95. 0 89 . 0 1 100 1 95 89 6 . 5 1 <br /> 1Chlorobenzene } 0 .0 97 .0 93 .0 1 100 1 97 93 4 .2 1 <br /> 113enzene 1 0 . 0 105 .0 101.0 I 100 1 105 101 3 . 9 1 <br /> 1Toluene 1 0. 0 101.0 100 . 0 1 100 101 100 1. 0 I <br /> I } <br /> W Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD s {MS - MSD} / (MS + MSD) x 2 x 100 <br /> s <br />