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110 2nd Avenue South,#D7, Pacheco,CA 94553 <br /> ' <br /> Fm7cc) <br /> MPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> ' QC REPORT FOR VOCs (EPA 8240/6260 ) <br /> Date 02/10/98-02/11/98 Matrix WATER <br /> ' I Concentration (ug/kg,ul I Recovery <br /> Analyte I Sample I Amount I RPD <br /> ' # (85740) MS MSD I Spiked I MS MSD <br /> 11, 1-Dichloroethel 0 100 88 100 100 88 12 8 <br /> ' Trichloroethene 1 0 92 65 I 100 I 92 65 7 9 <br /> IEDB 1 0 102 68 100 102 68 14 7 <br /> IChlorobenzene I 0 87 83 100 87 83 4 7 <br /> ' Benzene 1 0 100 89 100 100 69 11 6 <br /> Toluene 1 0 102 88 100 102 88 14 7 <br /> 1 <br /> ' Rec (MS - Sample) / amount spiked x 100 <br /> RPD = (NS - MSD) / (MS + MSB) x 2 x 100 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />