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11/[CCl 110 2nd Avenue South, #D7,Pacneco, CA 94553-5560 <br /> t 4MPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httn/lwww mecarrtnbell corn E-mail main@iriccampbell cpm <br /> • --------------- <br />' Advanced.GeoEnvironmeutal Client Project ID Flag City Chevron Date Sampled I2/14/01 <br /> 837 Shaw Road Date Received 12/18/01 <br />' Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 12/21/01 <br />' Client P O Date Analyzed 12/21/01 <br /> Gasoline Range(C6-Cl2) Volatile Hydrocarbons as Gasoline*,with l'Iethyl tert-Butyl Ether* &BTEX* <br /> EP 4 methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFFD(5030) <br /> Lab !D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- %Recovery <br /> benzene Xylenes <br /> CSA-1 l Surrogate <br /> $b93 7 W ND ND ND ND ND <br /> !1-14-01 ND 93 <br />' 96932 CSA-2/ W ND ND ND ND ND 11-14-01 ND 99 <br /> 1 <br /> 1 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 <br /> otherwise stated,Nil 0 5 0 5 <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> 'nwater and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SDLP extracts <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 co <br /> gasolme?), c) lighter gasoline range co 4 o range <br /> omnds are s havingsignifican <br /> broad <br /> g compounds (the most mobile fraction) are significant, d) gasoline range connpounds having broad <br /> chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from-asohne 9 <br /> • one to a few isolated peaks present,g)strongly aged gasoline or diesel range ca ( i le <br /> sheen is present,1)liquid sample that contains greater than—5 vol %sediment,i)no recognizableprttern h)lighter than water immiscible <br /> I <br /> DHS Certification No 1644 (, (, Edward Hamfiton,Lab Director <br />