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MCCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #137,Pacheco, CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br />' QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 06/04/98-06/05/98 Matrix SOIL <br /> I Concentration (ug/kg,u1 I Recovery 1 <br /> Analyte I Sample I Amount I RPD <br />' I <br /> 1 (#87567) MS MSD j Spiked j MS MSD <br /> i I j <br /> 11, 1-Dzchloroethel 0 96 95 1 100 1 96 95 1 0 1 <br /> ITrichloroethene 1 0 93 90 I 100 I 93 90 3 3 1 <br /> ZEDS 1 0 120 120 1 100 1 120 120 0 0 1 <br /> IChlorobenzene 1 0 97 95 I 100 1 97 95 2 1 1 <br />' 1Benzene 1 0 100 98 1 140 1 100 98 2 0 1 <br /> Toluene i 0 91 89 100 91 69 2 2 1 <br />' Rec = (MS - Sample) / amount Spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> I <br />