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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC //wTelephone 925-798-1620 Fax 925-798-1622 <br /> ht ww mccam bell corn E-mail main@mccampbell com <br /> • <br />' Advanced GeoEnvironmental Client Project ID Dens Auto Date Sampled 10/18/01 <br /> 837 Shaw Road <br /> Date Received 10/23/01 <br />' Stockton, CA 95215 Client Contact Bill Little Date Extracted 10/25-10/26101 <br /> Client P O Date Analyzed 10/25-10/26/01 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br />' + Ethyl- %Recovery <br /> Lab 1D Client ID Matrix TPI3(g) MTBE Benzene Toluene Xylenes <br /> benzene Surrogate <br /> 81664 MWIA/ W 13,OOO,a ND<25 1300 64 350 150 --# <br /> 101801 <br />' 81665 �l O1801/ W 430j ND ND 073 ND 19 -- <br /> 81666 MW2A/ W 410,a ND 38 2 0 2 2 41 114 <br /> 101801 <br />' 81667 MW2B/ W 3900,a ND<45 97 12 78 26 114 <br /> 101801 <br /> 81668 MW3A! W 220,1 ND 1 1 068 ND 0 88 116 <br />' 101801 _ <br /> 81669 MW3B/ W 470a ND ND ND ND 0 77 97 <br /> 101801 <br /> 1 Reporting Linut unless W 50 ug/L 5 0 05 0 5 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above' <br /> the reporting limit S 1 Ong/kg DOS 0 005 0 005 0 005 0 045 <br /> *water and vapor samples are reported in ug/L,wipe sarnples 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 McCampbeil Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds ate significant(aged <br />' gasoline9), 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 trom gasoline(") f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant,h) lighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,j)no recognizable pattern <br /> DHS Certification No 1644 Z ward Hamilton,Lab Director <br />