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F <br /> j EXPLANAT�CIN <br /> T MONITOR WELL <br /> &' SOIL BORING LOCATION <br /> B BENZENE IN jug/L <br /> YOSEMITE HIGHWAY (HWY 120) TPHG TOTAL PETROLEUM HYDROCARBONS <br /> AS GASOLINE IN uq/I <br /> MTBE METHYL-TERT-BUTYL-ETHER IN <br /> SIDEWALK DO DISSOLVED OXYGEN IN m9/L u9/L <br /> NA NOT ANALYZED <br /> a � � � � � � � � x 16 14 <br /> OVERHEAD POWER LINE ) POTENTIOMETRIC SURFACE ELEVATION <br /> MW-2 <br /> ( POTENTIOMETRIC SURFACE CONTOUR <br /> GP-4� e=<o s I (CONTOUR INTERVAL = 0 05 FT <br /> MW-3 TPHG=<1oo I ) <br /> - (15 93) '. MTBE=<1 I (GRADIENT = 0 01 FT/FT) <br /> TPH G 5 -- <br /> r TPHG-<1v0 -� GROUNDWATER FLOW LINE <br /> IfMTBE=31 FORMER I -`�~--- <br /> DISPENSE A I (WITH DIRECTION ARROW) <br /> I 0� - --� ISLAND I l <br /> I N� �-` f i . F ER ! <br /> UST 1 <br /> FMi>! ; MW-1 <br /> (16 14) I <br /> s� GP-5 �----- -----'�� B=105 <br /> { fl4J .' GP-2 TPHG-<100 I N <br /> Y �6 ,p ., MTBE=<1 I <br /> 1 > I , Z <br /> a a I GP-1 e I <br /> cn I PLANTER <br /> a I ------------------wALKwAY--------------..-----I 0 30 <br /> 60 <br /> o I I <br /> CL <br /> I I <br /> APPROX SCALE IN FEET <br /> w I <br /> 7-ELEVEN I OVERHANG <br /> NO 176CILI47 1-ELEVEN, INC. <br /> I I <br /> FACILITY NO. 17647 <br /> 1048 WEST YOSEMITE AVENUE <br /> 1 PLANTER 4A' <br /> I — <br /> - - — — — — — — - - - - - w _ _ _ _ _ — _ — _ — _ - - 1 MANTECA, CALIFORNIA <br /> 781721 <br /> DRAWN BY 5 LATHROP DATE <br /> DRAFTED BY DEN HOLMES DATE Oi-TS-O} <br /> CHECKED BY--� DATE <br /> POTENTIOMETRIC SURFACE AND <br /> IT CORPORATION DISSOLVED HYDROCARBON <br /> 17647GwC1040 CONCENTRATION MAP (10/13/00) <br /> FIGURE 2 <br />