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110 Second Avenue South,#tD7, Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> Ihttp 1/www.mccam,pbell coin E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental Client Protect ID TMS Date Sampled 06/24/98 <br /> 4005 North Wilson Way Date Received 06/25/98 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 06/26-07/41/98 <br /> Client P O Date Analyzed 06126-07/01198 <br /> Gasoline Range(C6-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 1D Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 91068 134-10 S 48,a - - 1 3 058 - 1 2 1 7 96 <br /> 91069 135-15 S 1 5,a --- 0024 014 0 061 _ 0 22 _ 100 <br /> 91070 B5-12 S 240,a --- 4 2 14 5 4 20 - 97 <br /> 91071 B5-25 S ND --- 0 007 0 019 0 006 0027- 100 <br /> 91072 B5-10 S 630,a1 --- 8 6 46 15 74 ,, 97 <br /> 91073 136-10 S ND --- ND ND 0 007 0 006 - 105 <br /> 91074 86-20 S ND --- ND ND ND ND 97 <br /> 91075 B7-10 S ND --- ND ND ND ND 97 <br /> I Reporting Limit unless W 50 ug/L 5 0 0 5 05 05 0 5 <br /> othemisestated ND <br /> means not detected above I <br /> the reporting lmut S 1 0 mg/kg 0 05 0 005 0 005 0 005 0 005 <br /> " later and s apor samples are reported in ug/L,wipe samples in uehti rpe soil and sludge samples in nig/kg' <br /> and all TCLP and SPLP extracts <br /> in ug/L <br /> cluttered chromatogram sample peak coelutes Aith surrogate peak <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell An,ilytical is not responsible for theft <br /> interpretation a) unmodified or weakly modified gasoline is significant b) heavier gasoline range compounds are signiftcant(aged <br /> gasoline') c) lighter gasoline range compounds (the most mobile fraction) are significant d) gasoline range compounds having broad <br /> Lhromatogiaphic peaks are significant,biologically altered gasoline' e)T1114 pattern that does not appear to be derived from gasoline("),f) <br /> one to a tew isolated peaks present,g)strongly aged gasoline or diesel range compounds are significant h) lighter than water immiscible <br /> ah�en is present t)liquid sample that contains greater than�5�nl '% sediment j)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />