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" 1110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL 1NC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Tracy Marine Date Sampled 06/29/2001 <br /> i <br /> 837 Shaw Road Date Received 07/03/2001 <br /> Stockton, CA 95215 Client Contact Brian Millman Date Extracted 07/03-07109/2001 <br /> Client P O Date Analyzed 07103-07/09/2001 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 9020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Ethyl-ID Ghent ID Matrix T'PH(g)+ MTBE Benzene Toluene Xylenes %Recovery <br /> benzene Surrogate <br /> 71693 MW10106-29 W ND ND ND ND ND ND 106 <br /> 71694 MW2/0 -29_ W 1300,a 4700 I30 35 85 100 100 <br /> 71695 MW3//i6-29 W ND ND ND ND ND ND 94 <br /> 71696 MW4//06-29- W 420,a 310 38 14 28 35 96 <br /> 01 <br /> 71697 MW 01016-29 W 1700,a 690 350 15 72 32 112 <br /> 71698 MW6//06-29- W ND ND ND ND ND ND 105 <br /> 01 <br /> r 71699 MW70106-29- W 2800,a 16,000 390 330 85 160 102 <br /> MW8/06-29- <br /> 71700 01 W ND 13 ND ND ND ND 104 <br /> 71701 MW9/06-29-0 W ND ND ND ND ND ND 94 <br /> 71702 MW10/06- W ND ND ND ND ND ND 94 <br /> 29-01 <br /> 71703 MWI1/06- W ND ND ND ND ND ND 107 <br /> 29-01 <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 05 0 5 <br /> i otherwise stated,ND <br /> means not detected above S <br /> the reporting limit I 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> *The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasoline'?), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline'?,e)TPH pattern that does not appear to be derived from gasoline(?),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h) lighter than water imrmscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,,])no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />