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1A <br /> Northeast Southwest <br /> ' 0 50 100 150 200 <br /> Tank excavation <br /> Property <br /> boundary <br /> QQ�°� <br /> Railroad adroad Q°� <br /> HA-5 SB-3 <br /> ' Crab Groundwater Grab Groundwater <br /> TPHd <50 CL TPHg-11 000 ~2g <br /> TPHg <50 EL - <br /> . ,�}� � iCIL IL <br /> 10 <br /> CL <br /> 1 ---------------- _ -_ / SP <br /> CL l - -�---- - <br /> SM5M <br /> 14'000 SM � MW-5 <br /> 20 Groundwater <br /> SC MW-1 fi90 MW-2 TPHd <1001<100 <br /> GroundwaterTPHg <50 <br /> TPHd <100/<100 Groundwater' �� BTEX <0 5 TPH <50 TPHd 310,0001240 000 <br /> BTEX <0 5 TPHg <50 v <br /> 30 3 9 i BTEX <0 5 <br /> 1 500 <br /> 1� SP <br /> 40 <br /> 1 CL <br /> 1 50 <br /> 1 Notes EXPLANATION <br /> 1 The extent of petroleum affected soil is based on both visual Well screen interval <br /> ' observation of the soil as described on the boring logs and on <br /> analytical results of the soil samples Location of cross section ■ Approximate interval of soil sample collected and analyzed <br /> is shown on Figure 3 from soil boring Detected concentrations of TPHd in sod <br /> samples (in mg/kg)are shown <br /> ' 2 The geologic units have been inferred and are not meant to - <br /> imply certainty Units are based on IEtholigc logs from bonngs —-- — Groundwater level <br /> drilled by others and Geomatnx makes no representation as <br /> a to their accuracy Sod staining reportedly observed andlor TPH > 100 mg/kg <br /> Q <br /> 3 Groundwater analytical results in micrograms per liter 0 Fine grained soils (ML/CL) <br /> ' Samples collected August 30,2004 <br /> g 0 Coarse grained soils (SP/SM/SC) <br /> 4 The extent of affected soil at location SB-3 interpreted <br /> ' o based on 11/24/97 Smith Environmental report indicating large 0 UST excavation backfill (approximate) GEOLOGIC CROSS SECTION A-A <br /> amount of free product observed in this boring-no boring log 1805 Harbor St <br /> is available TPHd-Total petroleum hydrocarbons quantified as diesel (without silica gel/with silica gel) Stockton, California <br /> 5 The extent of affected sod in the southwestern direction TPHg-Total petroleum hydrocarbons quantified as gasoline <br /> estimated based on extent identified in the northeastern direction BTEX-Benzene,toluene, ethylbenzene, and xylene <br /> no borings were advanced within railroad nght-of-way Project No Figure <br /> s <br /> ' GEOMATRIX 9963 000 4 <br />