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i <br /> 110 2nd Avenue South,1#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone. 925-798-1620 Fax 925-798-1622 <br />' hap I/www mceMpbell cam E-mail main@mccampbell com <br /> iI i <br /> I Advanced GeoEnvironmentai Client Project ID Grand Water <br /> Date Sampled 03/27/01 <br /> Extraction-Analysis Date Received 03/29/01 <br /> 837 Shaw Road <br />' Stockton, CA.95215 Client Contact William Little Date Extracted 03/29-03/30/01 <br /> Client P O Date Analyzed 03/29-03/30/01 <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 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 /> 64147 EXE-1 W 4000,a 4900 640 13 150 23 105 <br />' 64148 EXE-2 W 5500,a 5900 960 14 220 59 104 <br /> 64149 EXE-3 W 6000,a 5400 970 19 250 85 106 <br /> I <br />' Reporting Limit unless W 50 ug/L 50 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 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 />' a 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 gasonne range compounds are signincant(aged <br />' gasohnev), e.) lighter gasoline range compounds (the most mobile fraction) are significant, d) gasoline range compounds having broad <br /> Chromatographic peaks are significant,biologically altered gasulinO,e)TPH pattern that does not appear to be derived from gasoline(1),1) <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 /> I <br />