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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hUp./www mccampbel =1 E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Project ID Five Starr Marna Date Sampled 08/04/99 <br /> 4005 North Wilson Way Date Received 08/05/99 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 08/05/99 <br /> I - Client P O Date Analyzed 08/05/99 Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,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 /> 1 Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> 1 zene Surrogate <br /> 16681 MW-2 W ND ND ND ND ND ND 104 <br /> 11 <br /> 1 � <br /> ` Reporting Limit unless W 50 ug/L 5 0 05 05 05 05 <br /> otherwise stated,ND g <br /> 1 means not detected above S 10 mg/kg 005 0 005 0 005 0 005 0 005 <br /> )4 the reporting limit <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 descnptions of the TAH chromatogram are cursory to nature and McCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant, b) heaNier 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(9),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,l)no recognizable pattern <br /> DHS Certification No 1644 ��f� _Edward Hamilton,Lab Director <br />