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PRELIMINARY S17E CONCEPTUAL MODEL <br /> VIEW LOOKING NORTH <br /> z <br /> rc <br /> o 0 <br /> REMOVED HEATING OIL UW <br /> ST C'ju a� p J K <br /> U U <br /> Z W�i F- <br /> O O <br /> CALIFORNIA STREET 0 U U a U a 0 O W <br /> SIDEWALK SOUTHBOUND NORTHBOUND J <br /> C)o <br /> SILTY SAND SILTY SAND a_�o z <br /> 10 SILTY AND SAND AND SANDY SOILSZ <br /> CLAYEY SANDS r CLAY/ CLAY 10 U w o 0 <br /> SILT ZZ D-v <br /> 20 = 0v)Z <br /> CLAY r CLAY 20 a of z <br /> Z Y O <br /> 30 APPROX. GROUNDWATER SILT { l 30 > o v <br /> ELEVATION 2008 i i I CIU 1 <br /> 40 "'�\ �, VERY DENSE, STIFF SOILS 40 z V O V) <br /> SA\D / it CLAYEY AND SILTY SOILS w <br /> 50 _ SANr) �w v <br /> SILTY SAND _ j' 50 a <br /> 60 U AYS AND E LTA SAND <br /> --SAND SAND 60 <br /> - <br /> 70 �� - _ _._ VERY DENSE, STIFF SOILS 70 <br /> SAND �.i� SAND <br /> 80 THIN CLAYS AND SILTY CLAY gD, <br /> WITH THIN LAYERS OF DENSE <br /> 90 - - 90 m <br /> SANDY SILT AND CLAYEY SILT SOILS <br /> 100 a N 100 �N <br /> o� HSo <br /> LEGEND fi <br /> W3� v,o <br /> 8 <br /> CL = CLAYy" <br /> ML = SANDY SILT <br /> SC = CLAYEY SAND 0 N <br /> SM = SILTY SAND 83—•••-- = APPROXIMATE EXTENT OF GROUNDWATER WITH 500>D>50.0 0 <br /> SP = POORLY GRADED SAND = APPROXIMATE EXTENT OF GROUNDWATER WITH 50.0>D>5.0 Z <br /> CL/ML= CLAY AND SILTY SAND --- = APPROXIMATE EXTENT OF GROUNDWATER WITH 5.0>D>0.50 0 <br /> D = TOTAL PETROLEUM HYDROCARBONS QUANTIFIED AS DIESEL --- = APPROXIMATE EXTENT OF GROUNDWATER WITH 0.50>D>0.050 U <br /> (mg/kg FOR SOIL, mg/L FOR GROUNDWATER) = *APPROXIMATE EXTENT OF SOILS WITH 5000>D>500 <br /> mg/kg= MILLIGRAMS PER KILOGRAM = APPROXIMATE EXTENT OF SOILS WITH 500>D>50 FIGURE s <br /> mg/L = MILLIGRAMS PER LITER = APPROXIMATE EXTENT OF SOILS WITH 50>D>5.0 5UST = UNDERGROUND STORAGE TANK * = UVOST DATA USED FOR INTERPRETATION HORIZ.®O S <br /> SCALE IN FEET H, <br /> WlA F5 <br />