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T110 2nd Avenue South, #D7,Pacheco, CA 94553 <br /> 16 McCAMPBELL ANALY'T'ICAL rNC. Tele: 925-798-1620 Fax:925-798-1622 <br /> 1 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> ' Date: 06/02/99-06/03/99 Matrix: SOIL <br /> tI I concentration (ug/kg,ul I % Recovery 1 <br /> Analyte I Sample I Amount I RPD 1 <br /> 1 (#07.969) MS MSD I Spiked MS MSD 1 <br /> 11, 1-Dichlcroethel 0 93 95 1 100 I 93 95 2 . 1 l <br /> (Trichloroethene I 0 92 91 1 100 l 92 91 1. 1 1 <br /> ZEDS I N/A N/A N/A l N/A 1 N/A N/A N/A 1 <br /> IChlorobenzene 1 0 100 100 l 100 1 100 100 0 . 0 1 <br /> lSenzene 1 0 94 93 I 100 1 94 93 1. 1 1 <br /> IToluene 1 0 100 100 I 100 I 100 100 0. 0 <br /> I I <br /> t Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) (MS MSD) x 2 x loo <br /> 1 <br />