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'y MW-4 EXPLANATION <br /> � <br /> (-10.25) ♦ MONITOR WELL T <br /> TPHG1- <br /> TPHG900 <br /> TBE-4800 ABANDONED MONITOR WELL <br /> 0-0.9 <br /> PROPERTY BOUNDARY <br /> 1 / 8 BENZENE IN µg/L <br /> MW-3 ♦ \ -MIN) TPHG TOTAL PETROLEUM HYDROCARBONS <br /> WA`s TYPICAL (-10.76) / AS GASOLINE IN µg/I <br /> g�OCK B=<0.5 MTBE METHYL-TERT-BUTYL-ETHER IN µg/L <br /> ASPHALT DO DISSOLVED OXYGEN IN mg/L <br /> PAVING MTBE I. <br /> (-g�)DO-0.7 I \ (-9,78) POTENTIOMETRIC SURFACE ELEVATION <br /> B-3200 c011, <br /> \ Z --9.5— POTENTIOMETRIC SURFACE CONTOUR <br /> \ TPHG-47000 .1 <br /> 7-ELEVEN n MTBE-1300 .1,1 1 -I (CONTOUR INTERVAL = 0.5 FT) <br /> \ FACILITY MW -1 GROUNDWATER FLOW DIRECTION <br /> \ N0. 17334 1, AND GRADIENT (i) <br /> i MW-5A \ 9 - -PR,0 bSFU MoN tTORtT46 WELL- <br /> -9.5 <br /> EA-! <br /> -9.5 <br /> MW-58♦ � � <br /> \ 1 (-9.78) ` G O �ROPOSEi7 504 u4ivtt9Ci <br /> \ I -77 t^ <br /> i TPHG=460 <br /> MTBE-15 ` a <br /> MW,}-9 N <br /> '120- <br /> MW_2 ♦ o <br /> (-871) \ �\ 0 30 60 <br /> TPHG: CONCRETE <br /> MTBE-1 PAD PHG <1oo\ APPROX. SCALE IN FEET <br /> 00=0.6 \ <br /> \ I 7-ELEVEN, INC. ' <br /> FACILITY NO. 17334 <br /> \ 4501 NORTH PERSHING AVENUE <br /> \ STOCKTON, CALIFORNIA <br /> 779950 <br /> WP��� ' DRIVEWAY DRAWN BY: E. SIMONIS DATE: 09-21-01 <br /> �,-OCY, A� DRAFTED BY: DEN HOLMES DATE: 10-01-01 <br /> (TYPIC CHECKED BY: ;r4r-I DATE: ic-1-01 <br /> RpSEMAR1E SNE POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON <br /> IT CORPORATION CONCENTRATION MAP (08/21/01) <br /> 17334GWC0801 FIGURE 2 <br />