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I <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' 4 MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> kitty/Iwww mccampbell corn E-mail main@mccampbell corn <br /> • <br />' Advanced GeoEnvironrnental Client Project ID Nomellini Date Sampled 05/08/2000 <br /> 4005 North Wilson Way Date Received 05/09/2000 <br />' Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 05/09/2000 <br />' Client P O Date Analyzed 05/09/2000 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* & BTEX* <br /> EPA methods 5030 modified 8015 and 8020 or 602,California RW CB SF Bay Region)method GCFID 5030 <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben-zeXylenes %Recovery <br /> ne Surrogate <br /> 37269 INLET Air 280,a --- 23 27 081 12 119 <br />' 37270 OUTLET Air 120,b --- ND 078 1 3 88 94 <br /> I <br /> lie <br />' Reporting Limit unless <br /> Air 50ug/L 50 OS QS OS OS <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 ugfL,wipe samples in ug/wipe soil and sludge samples in mg/kg and all TCLP and SPLP extracts <br /> I in ug/L <br /> "cluttered chromatogram,sample peak coelutes with surrogate peak <br /> `The following descriptions of the TPH e,hromatogra. are cursory in nature and McCampbell Analytical is not responsible for their <br /> mtcxpretation 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 /> . chromatographic peaks are significant biologically altered gasoline),e)TPH pattern that does not appear to be derived from gasoline(9) t) <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 resent,i h wd sam le that contains reater than—5 vol %sediment no reco nizable attem <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />