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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 54 <br /> McCAMPBELL ANALY'T'ICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell corn E-mail mam@mccampbell com <br />' <br /> Advanced GeoEnvironmental Client Project ID Bogettis Orchard Rest Date Sampled 03/01/02 <br /> 837 Shaw Road Date Received 03/02/02 <br />' Stockton, CA 95215 Client Contact Bill Little Date Extracted 03/02/02 <br /> Client P O Date Analyzed 03/02/02 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602,California RWQC13(SF Bay Region)method GCF1D(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br />' benzene Surrogate <br /> 0203031 MW1/030102 W 100,a 15 0 27 ND 0 920 3-4 104 <br /> -001 <br /> 0203031 <br />' 0 02 MW2/030102 W ND ND ND ND ND ND 102 <br /> 0203031 3/030102 W ND ND ND ND ND ND 101 <br /> -003 <br />' 0203031 MW4/030102 W ND ND ND ND ND ND 100 <br /> -004 <br /> 0203031 MW5/030102 W ND ND ND i ND ND ND 96 <br /> -005 <br /> I <br /> Reporting Limit unless W 50 ug/L 5 0 0 5 0 5 0 5 05 <br /> otherwise stated,ND means <br /> not detected above the <br /> 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 /> N 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 /> I chromatographic peaks are significant,biologically altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(9) f) <br /> one ton 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,I)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> I <br />