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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> ' MCCAMPBELL ANALYTICAL INC Telephone 510-798-1620 Fax 510-798-1622 <br /> http//www mccamnbe!„I con] E-mail main@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Curtiss Date Sampled 02/12-13/98 <br /> 4005 North Wilson Way Date Received 02/17/98 <br /> Stockton,CA 95205 Client Contact Bill Little Date Extracted 02/17/98 <br /> ' Client P O Date Analyzed 02/17/98 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne*,iiith Aleth,%l tert-Butyl Ether* &BTEX* <br />' EPA methods 5030,modified 8015,and 8020 or 602,California RWQCB(SF Ba, Region)1110110 GC FID(5030) <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 85855 BIO-10 S ND ND ND ND ND ND 99 <br /> 85856 B10-30 S ND ND ND ND ND ND 101 <br /> 85857 BI1-IO S ND ND ND ND ND ND 96 <br /> 85858 B12-10 S ND ND ND ND ND ND 98 <br />' 85859 B14-5 S 980,a ND<12 18 56 21 89 1191, <br /> 85860 B14-10 S ND ISD 0 008 0 021 0 008 0 034 96 <br />'•� 85861 B14-20 S 1 7,a ND 0 015 0 045 0 019 0 074 97 <br /> 1 <br /> Reporting state unless W 50 ug/L 5 0 05 0 5 0 5 0 5 <br /> means <br /> notheot <br /> 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 a]I 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 natuie and WCampbell Analytical is not responsible for their <br /> interpretation a) unmodified or weakly modified gasoline is significant b) hea%ier gasoline range compounds are significant(aged <br /> gasoline/), c) lighter gasoline range compounds (the most mobile traction) aie ugmficanl d)� gasolnte range compounds having broad l chromatographic peaks are significant,biologically altered gasoline e)TPH patlein that dries not appear to be derived from gasoline(') f) <br /> one to a few isolated peaks present,g)strongly aged gasoline or diesel iange compounds aic significant h) lighter than water immiscible <br /> I sheen rs present i)liquid sample that contains greater than—5 vol °%p sediment 1)no recognizable pattern <br /> DHS Certification No 1644 ZZEdward Hamilton,Lab Director <br />