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t <br /> 1102nd Avenue South,#D7,Pacheco,CA 94553-5560 ' <br /> JMcCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hhML//wwwJngr=pbtll.gom E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Guardmo and Date Sampled 02/10/00 <br /> ' 4005 North Wilson Way Crawford Date Received 02/11/00 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 02/13/00 <br /> [Client P O Date Analyzed 02/13/00 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,with Methyl tert-Butyl Ether*&BTEX* <br /> FPA methods 5030,modified 8015,and 8020 or 602,Coliform.RWQCB(SF Bay Region)method GCF1D(5030) <br /> ' Lab ID I Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 30988 MW4/02-10- W ND ND ND ND ND ND 100 <br /> ' 30989 MW3/ -10- W ND ND ND ND ND ND 102 <br /> 00 <br /> 30990 MW20/02-]0- W 3000,a ND<24 340 17 140 470 98 <br /> 1 30991 MWI/2-10 W I8,000,a 79 3100 1400 2500 16,000 98 <br /> 00 <br /> lie <br /> 1 <br /> i <br /> 1 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 0 5 <br /> otherwise stated,ND <br />' means not detected above S 1 0 mg/kg the reporting limit g g 0 05 0 005 0 005 0 005 0 005 <br /> *µ.iter and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLA extracts <br />' in uglL <br /> R cluttered chromatogram,sample peak coelutes with surrogate peak <br />' 'The following descnptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> mieipretatton a) unmodified or weakly modified gasoline is significant, b) heavier gasoline range compounds are significant(aged <br /> gasolme9), 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(7),f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel range compounds are s,gn,lcani, h)hghter than Hater 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 />