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1 ' <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www m_ccamRbell com E-mail main@mccampbell com <br /> tAdvanced GeoEnvironmental Client Project ID Ripon Farms Date Sampled 07/17/2001 <br /> 837 Shaw Road Date Received 07/18/2001 <br /> ' Stockton,CA 95215 Chent Contact Bill little Date Extracted 07/18/2001 <br /> Client P O Date Analyzed 07/18/2001 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or b02,California RWQCB(SF Bay Region)method GCFID(5030) <br /> ' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene S arrogate <br /> 72766 INFLUENT Air 840,a ND 058 14 074 40 110 <br /> ' 72767 EFFLUENT Air 140,a ND ND 066 ND 062 110 <br /> Reporting Limit unless Air 50 uglL 50 05 05 05 0 5 <br /> 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,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in uglL <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(9),0 <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 pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />