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i <br /> 1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http//www mecamQbell corn E-mail main@mccampbell com <br /> i <br /> Advanced GeoEnvironmental Client Project ID Ripon Farms Date Sampled 03/11/2002 <br /> 837 Shaw Road Date Received 03/12/2002 <br /> ' Stockton,CA 95215 Client Contact Bill Little Date Extracted 03/12-03/13/2002 <br /> Client P Q Date Analyzed 03/12-03113/2002 <br /> ' Gasoline Range(C6-M)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602,California RWQCB(SF Bay Region)method GCF1D(5030) <br /> Lab M Client ID Matrix TPH(g){ MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 0203204 INFLUENT Air 300,a ND<5 0 1 5 20 3 8 24 --- <br /> -001 <br /> ' 0203204 EFFLUENT Air 170,a ND 12 15 29 17 111 <br /> -002 <br /> 1 � <br /> ' Reporting Limit unless Air 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND means <br /> not detected above the <br /> ' <br /> 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 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) hea"C" gasoline range compounds are sigmficant(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 gasolme9,e)TPH pattern that does not appear to be denved 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 Jon,Edward Hamilton,Lab Director <br />