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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br />' E-mail:main@mccampbell.com <br />' Advanced GeoEnvironmental Client Project ID:Franklyn Cole Date Sampled: 02/11/99 <br /> 4005 North Wilson Way Property Date Received: 02/16/99 <br />' Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 02116-02/19/99 <br /> Client P.O: Date Analyzed: 02116-02/19/99 <br />' Gasoline Range(C6-C12)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 />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene £thylben- Xylenes %Recovery <br /> zene Surrogate <br /> 03468 CB2-20 S 35,b ND<0.1 ND 0.13 0.16 1.4 104 <br />' 03469 CB2-25 S 6.5,b ND 0.006 0.047 0.029 0.17 99 <br /> 03470 CB2-30 S ND ND ND ND ND ND 98 <br />' 03471 CB2-35 S ND NO ND ND ND ND 98 <br /> 03472 CBI-HZO W ND 590 ND 1.3 1.7 16 103 <br /> 1 <br /> lie <br /> 1 <br /> tReporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <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 /> "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 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 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(?);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 pattem. <br /> DHS Certification No. 1644 � Edward Hamilton,Lab Director <br />