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McCAMPBELL ANALYTICAL INC 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> 7 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> 1 <br /> QC REPORT FOR VOCs (EPA 8240/8260 } <br /> Date 12/01/97-12/04/97 Matrix Soil <br />' I 1 Concentration (ug/kg,ul I Recovery <br /> Analyte 1 Sample I Amount I RPD 1 <br /> 1# (83681) MS MSD I Spiked I MS MSD l <br /> I I I l ! <br /> 11,1-Dichloroethel 0 109 0 105 0 l 100 0 I 109 105 3 7 l <br />' ITrichloroethene 1 0 92 0 95 0 I 100 0 1 92 95 3 2 1 <br /> IEDB 1 0 95 0 98 0 1 100 0 1 95 98 3 1 <br /> IChlorobenzene 1 0 101 0 101 0 I 100 0 I 101 101 0 0 <br /> I IBenzene 1 0 99 0 101 0 I 100 0 I 99 101 2 0 l <br /> IToluene 1 0 100 0 101 0 l 100 0 1 100 101 1 0 1 <br /> I I i <br /> 8 Rec a (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x Z x 100 <br />