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iCaltrans Construction <br />' Division <br /> Office <br /> Office <br /> Trailer kVA <br /> ` ?412 <br /> 40 @(µ _24 39) ool <br /> im Chain LEGEND <br /> ' Chn Link Fence / <br /> � � MW-4 through MW-12 GEOCON <br /> ahp'� (-2457) Groundwater Monitoring Wells <br /> MW_g Groundwater Elevation in feet below Mean <br /> c (-2449 Sea Level (4-1-99 and 4-2-99) <br /> ' <br /> MW-1 through MW ALTON GEOSCIENCE <br /> Storage Warehouse -3 <br /> � Groundwater Monitoring Wells March 1992 <br /> c <br /> W no Mw-8 Well not used in Contouring <br /> v <br /> (-2457) 00 MW-7 <br /> ' UJI (-2457) t <br /> � roximate Location }V• � 58-1 and SB-2 ALTON GEOSCIENCE <br /> App Soil Borings March 1992 <br /> }- U or Underground <br /> M Fuel Tank Cavity <br /> SB-3 GEOCON 50i! Boring <br /> 03 ¢ S13-2 ® VW-I & VW--2 GEOCON Vapor Extraction Wells <br /> = o r Concrete 24 46) T-1 I Former 10 000 Gallon Unleaded Gasoline UST <br /> F- I <br /> 24 54 Former Pump island Myy-11 <br /> %%r"% `I - ) y4y 2 1 �a (--24 55) T 2 Former 5 000 Galion Diesel Fuel UST <br /> O \ o—• Approximate direction, of Groundwater Gradient <br /> O MW-6 ... i <br /> ` T 2 I ldm9 (-24 65) —-24 55-T- Groundwater Elevation Contour <br /> W-3 B-tj <br /> ' (-M25 19)1 <br /> j Former Pump island <br /> L1 ' Concrete MW-2 <br /> ( 24 59) <br /> DrivewayI �J* <br /> I <br /> I -2A 1 0 25 <br /> 50 <br /> 2APPROXIMATE <br /> 4 57) SCALE FEET <br /> 0.-1 (- MW-5 <br /> Q(-24 53) <br /> ` <br /> -246o � Storage Warehouse <br /> SOURCE GEOCON ENVIRONMENTAL CONSULTANTS, 1996 <br /> F YRS Greiner Woodward Clyde <br /> MW-10 a� UR MAP <br /> 1 9. <br /> O(-24 6e) ���' GROUNDWATER ELEVATION CONTO <br /> fCALTRANS <br /> 9. 1604 SOUTH B STREET <br /> I STOCKTON,CALIFORNIA <br /> E <br /> FEBRUARYPros Ho4104010004 00 04 4104 FA52 <br /> CALTRANS <br /> STOCKTON YARD MAINTENANCE STATION • 5 2 <br /> W <br /> w <br /> I <br />