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$ 110 2.d Avenue h,#D7, Pacheco,CA 94553 <br /> McCAMPBELL AYTICAL INC. Tele-925-798-1620 Fax: 925-798-1622 <br /> c <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date: 12/21/98-12/22/98 Matrix: SOIL <br /> l Concentration (ug/kg,ul I Recovery <br /> Analyte I Sample I Amount i RPD l <br /> l <br /> 1 (##95485) MS MSD Spiked MS MSD I <br /> 11,1-Dichloroethel 0 123 120 100 I 123 120 2 .5 I <br /> ITrichloroethene I 0 90 91 i 100 I 90 91 1.1. <br /> (EDB I N/A N/A N/A I N/A I N/A N/A N/A <br /> IChlorobenzene 0 97 98 100 97 98 1.0 I <br /> lEenzene l 0 95 96 I 100 I 95 96 1.0 <br /> (Toluene I 0 103 111 I 100 I 103 111 7.5 i <br /> 1 � 1 <br /> V Rec_ _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br />