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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 /> btP//www mccampbell corn E-mail main@mccampbell com <br /> ' Advanced GeoEnvtromnental Client Project ID Ripon Farms Service Date Sampled 09/13/01 <br /> 837 Shaw Road Date Received 09/14/01 <br /> Stockton, CA 95215 Client Contact William Little Date Extracted 09/14/01 <br /> ' Client P O Date Analyzed 09/14/01 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 5020 or 602,California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 77934 Influent Air 750,b,1 ND ND 071 093 5 1 --# <br /> ' 77935 Effluent Air 56d ND ND 054 ND ND 114 <br /> 1 <br /> Reporting Limit unless Air 50 ug/L 5 0 05 05 0 5 0 5 <br /> otherwise stated,ND <br /> means not detected above <br /> the reporting limit S 10 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 mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> tb 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'7) 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(?) 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,l)no recognizable pattern <br /> DHS Certification No 1644 J4_Edward Hamilton,Lab Director <br />