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i 1 <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> • <br /> QC REPORT FOR VOCs (EPA 8240/8260 } <br /> ' Date 02//09/98 Matrix WATER <br /> ' l j Concentration (ug/kg,ul I Recovery 1 <br /> 1 Analyte j Sample I Amount I RPD 1 <br /> 1 1# (85571) MS MSD I Spiked I MS MSD j <br /> 11, 1-Dichloroethel 0 99 90 1 100 j 99 90 9 5 <br /> ITrichloroethene 1 0 94 95 1 100 j 94 95 1 1 j <br /> 1EDB 1 0 94 93 l 100 l 94 93 1 1 j <br /> IChlorobenzene I 0 85 83 1 100 l 85 83 2 4 j <br /> lBenzene 1 0 96 91 1 100 1 96 91 5 3 j <br /> (Toluene j 0 92 89 1 100 1 92 89 3 3 j <br /> I f <br /> ' Rec (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />