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McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #137,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 09/20/97-09/22/97 Matrix Water <br /> I I Concentration (ug/kg,ul Is Recovery I <br /> Analyte I I Amount I RPD <br /> Sample MS MSD I Spiked I MS MSD I <br /> I I I 11 <br /> 11, 1-Dzchloroethel 0 0 100 0 97 0 I 100 I 100 97 3 0 1 <br /> ITrichloroethene I 0 0 83 0 83 0 I 100 I 83 83 0 0 <br /> (EDB I 0 0 95 0 89 0 I 100 I 95 89 6 5 l <br /> IChlorobenzene I 0 0 97 0 93 0 I 100 I 97 93 4 2 <br /> (13enzene 1 0 0 105 0 101 0 I 100 105 101 3 9 <br /> IToluene I 0 0 101 0 100 0 l 100 I 101 100 1 0 1 <br /> { <br /> 8 Rec = (MS - Sample) / amcunt spaRed x 100 j <br /> RPD = (MS - MSD) / (MS + NSD) x 2 x lOfl <br /> } <br />