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I <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 24 ht Ilwww mecam ell om E-mail main@mccampbell com <br />' <br /> Advanced GeoEnvironmental Client Project ID Lodi Theater Date Sampled 02/21/2001 <br />' 837 Shaw Road Date Received 02/22/2001 <br /> Stockton,CA 95215 Client Contact Bill Little Date Extracted 02/22/2001 <br /> IClient P O Date Analyzed 02/22/2001 <br /> Gasoline Range (C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butyl Ether* &BTEX* <br />' EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br />' 60632 Pre Thor Ox Air 15,000,a NDS 10 21 100 64 360 110 <br /> 60633 <br /> PostThorAir ND ND ND ND ND ND 105 <br /> 1• <br /> 1 <br /> 1 <br /> Reporting Limit unless Air 50 ug/L 5 0 0 5 0 5 0 5 0 5 <br />' otherwise stated,ND <br /> means not detected above S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> the reporting limit <br /> *water and vapor samples are reported m uglL,wipe samples m ug/wipe,soil and sludge samples m mg/kg,and all TCLP and SPLP extracts <br />' In ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br />' 'The followmg descnptions 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 gasoline9,c)TPH pattern that does not appear to be derived from gasoline(9),Q <br />' one to a few isolated peaks present g) strongly aged gasoline or diesel range compounds are significant,h)tighter than water immiscible <br /> sheen is present,i)liquid sample that contains greater than—5 vol %sediment,l)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />