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GMX-10 8/5/03 <br /> TPHg <50 <br /> TPHd 210 <br /> GMX-12 8/4/03 TPHd w/s.g. <50 <br /> TPHg <250 Benzene <1 <br /> TPHc1 110Toluene <1 <br /> Western Farm TPHd w/s. <50 Private Residence Ethylbenzene <1 <br /> Service g' <br /> � office i Benzene <2.5 Xylenes <1 <br /> (office) Toluene <2.5 PAHs <0.1 <br /> % *WFSMW-1 Ethylbenzene <2.5 <br /> Xylenes <2.5 <br /> Phenanthrene 0.1 GMX-7 _ _ _ GMX-6 Former Gasoline <br /> —• • Station GMX-11 8/4/03 <br /> _ GMX-10 TPHg <250 <br /> i TPHd 3600 <br /> i \ TPHd w/s.g. 110 <br /> i <br /> �aHi way 33 \ Benzene <2.5 <br /> Toluene <2.5 <br /> Ethylbenzene <2.5 <br /> M -1 x 1 Xylenes <2.5 <br /> Acenaphthene 0.2 <br /> F mer OVP e 2 e <br /> H -a H 3 Undeveloped <br /> — — — — — — — 2— — MW-3 8/7/03 <br /> GMX-2% ® MW-3 <br /> ^: - -.- - - - - - - - - - - - - - - - � - - - - 77 — �e� TPHg <50 <br /> • M S 1 -3TPHd 86 <br /> GMX-4 _ _ _ CP -1 ,,\ °d0' TPHd w/s.g. 73 <br /> S -6 M -1 Benzene <0.5 <br /> I: <br /> Toluene <0.5 <br /> GMX-1B J Ethylbenzene <0.5 <br /> Former drain '\ Xylenes <0.5 <br /> Buildings pipe location \ PAHs <0.1 <br /> - - - - - -—Zi <br /> Asphalt Parking \ <br /> Percolation OGMx-s <br /> Pond Unpaved ,\ <br /> 100,000 gal MW-4e \ <br /> water-AST ¢W_1 Asphalt Parking <br /> Pump '\ <br /> OHouse GMX-50 <br /> Drainage Ditch \ <br /> EXPLANATION <br /> GMX-10* APPROXIMATE LOCATION OF SOIL BORING ADVANCED - — - - — PROPERTY BOUNDARY <br /> E <br /> BY GEOMATRIX(8/03) <br /> UNION PACIFIC RAILROAD <br /> w-1 PRODUCTION WELL(LOCATION ESTIMATED BASED ON <br /> FIGURE 1 AS PRESENTED IN ERM, 1995a) ESTIMATED EXTENT OF PETROLEUM HYDROCARBON-AFFECTED <br /> GMX-8 SOIL, BASED ON CONCENTRATION OF TOTAL PETROLEUM <br /> A APPROXIMATE LOCATION OF SOIL BORING ADVANCED HYDROCARBONS QUANTIFIED AS GASOLINE, DIESEL, MOTOR OIL, <br /> BY GEOMATRIX(5/20-21/02) OR CRUDE IN SOIL EXCEEDING 100 milligrams per kilogram, OR FIELD <br /> o+ CPT-1 OBSERVATIONS INDICATING THE PRESENCE OF PETROLEUM <br /> O CPT LOCATION ADVANCED BY RADIAN(2/27/97) HYDROCARBONS(I.E., STAINING AND ODOR). <br /> H13-3 APPROXIMATE LOCATION OF SOIL BORING RANGE OF APPROXIMATE DIRECTION OF GROUNDWATER FLOW, <br /> 0 o ADVANCED BY ERM-WEST,INC. (5/9/95) BASED ON HISTORICAL DATA 0 100 <br /> N o 0 se-1 O APPROXIMATE LOCATION OF SOIL BORING / ESTIMATED EXTENT OF TPHd CONCENTRATIONS IN GROUDWATER SCALE IN FEET <br /> ADVANCED BY GTI (9/30/96) / GREATER THAN OR EQUAL TO 100 pg/L <br /> o t e-1® APPROXIMATE LOCATION OF SOIL BORING SAMPLE ID ABBREVIATIONS <br /> ADVANCED BY RADIAN(7/15/98) GMX-10 8/5/03 SAMPLE DATE TPHg = Total petroleum hydrocarbons quantified <br /> MW-4GROUNDWATER ANALYTICAL RESULTS <br /> o e APPROXIMATE LOCATION OF MONITORING WELL TPHg <50 as gasoline <br /> o a TPHd 210 AUGUST 2003 <br /> o a WFSMW-1 TPHsg 210 TPHd = Total petroleum hydrocarbons quantified <br /> z o WESTERN FARM SERVICE MONITORING WELL Benzene <1 as diesel 35275 Welty Road <br /> o y ANALYTICAL RESULTS TPHd w/s.g.= Total petroleum hydrocarbons quantified Vernalis, California <br /> Toluene <1 <br /> GMX-6• APPROXIMATE LOCATION OF SOIL BORING Ethylbenzene <1 as diesel with silica gel <br /> ADVANCED BY GEOMATRIX(11/11/99) xylenes <1 PAHs = Polynuclear aromatic hydrocarbons (only <br /> I PAHs <0.1 detected PAHs are shown) /� Project No. Figure <br /> CONCENTRATION (pg/1) Ng/I = Ng/1=micrograms per liter ,/ 6447.001 5 <br /> = CONSTITUENT GEOMATRIX <br /> U <br />