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l110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hEp 1&%vw,mccampbell,com E-mail main@mccampbell com <br /> I � <br /> ~, Advanced GeoEnvironmental Client Project ID Stephen's Marina Date Sampled 02/26/99 <br /> 4005 North WiIson y Wa Date Received 03/02/99 <br /> I1 Stockton,CA 95205 Client Contact Bill Little Date Extracted 03/02/99 <br /> Client P 4 Date Analyzed 03/02/99 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*, Aith Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID I Client ID Matrix TPH(g)� MTBE Benzene Toluene Ethylben- Xylenes %Recovery zene Surrogate <br /> 04239 MW--X192-26 W 4800,a ND<100 420 51 100 280 115 <br /> 04240 MW--292-26 W ND ND ND ND ND ND 99 <br /> 04241 MW-X392-26- W ND ND ND ND ND ND 97 <br /> 1 04242 MW-94/2-26 W ND 15 ND ND ND ND 102 <br /> 04243 MW-995/2-26- W ND ND ND ND ND ND 102 <br /> 04244 MW-6/2-26- W ND ND ND ND ND ND 104 <br /> 99 <br /> I � <br /> II Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> 1 otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 1 0 mg/kg 005 0 005 0 005 0 005 0 005 <br /> •water and vapor samples are reported in ug/L,wipe samples in ug/wipe,sod and sludge samples in mg1g,and all TCLP and SPLP extracts <br /> in uVL <br /> I1 "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> J 'The following descriptions of the TPH chromatogram are cursory in nature and 1NcCampbell 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 /> f gasoline9), c) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> 1I chromatographic peaks are significant,biologically altered gasoline'),e)TPH pattern that does not appear to be derived from gasoline(1),i) <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,i)no recognizable pattern <br /> IDHS Certification No 1644 /h/ Edward Hamilton,Lab Director <br />