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I <br /> i <br /> r <br /> i <br /> r <br /> (logs) T EXPLANATION <br /> B=<0 5 <br /> TPHG=69 ` ♦ MONITOR WELL <br /> MTBE=3 8 <br /> D0=1 t <br /> � + DOUBLE-NESTED SPARGE WELL <br /> 0 SOIL BORING LOCATION <br /> T3-5-15 SAMPLE LOCATION WITH tD AND DEPTH <br /> ' NORTHGATE DRIVE — Q GEOPRO13E SOIL BORING LOCATION <br /> — PROPERTY BOUNDARY <br /> — — — — — CANOPY BOUNDARY <br /> �/ B BENZENE IN µg/L <br /> TPHG TOTAL PETROLEUM HYDROCARBONS <br /> MW-6 AS GASOLINE IN µ9/1 <br /> ' PLANTER MW-5A t PLANTER ! (11 10) MTBE METHYL—TE RT—BUTYL—ETHER 1N }cg/L <br /> \ 8=<O 5 DO DISSOLVED OXYGEN IN mg/L <br /> MW-5 TPHG=100 <br /> MTBE=a 73 (11 43) POTENTIOMETRIC SURFACE ELEVATION <br /> (1a 93) D0=1 2 <br /> I 8=14 \� <br /> ' TPHG=480 ^ ---11 10— POTENTIOMETRIC SURFACE CONTOUR <br /> MTBE=550 / \ / (CONTOUR INTERVAL = 0 1 FT) <br /> I DO=t 0 <br /> / \ <br /> ,7 7 / U <br /> NDWATER/ \ BPUMPLAND _ ~ — — AND GRA GRADIENT OW LINE <br /> Q -- -- - \ <br /> VGP-2 <br /> �Q3 <br /> r <br /> 3-N-}5• i eT1-N 5 G SB 2 MW-1A <br /> ` <br /> \ r � / I O MW-1 <br /> / (11 12) <br /> 8=2 700 4 1 \ � TPHG=320 � <br /> TPHG=36004 - \ / �QGP-i MTBE=970 <br /> I SP-1 —T t - D0=10 N <br /> MTBE=t 800 <br /> D0=1 a <br /> VS' LOCATION OF i 11L1113ED UP MW-4A <br /> T2—S-15 i � VENT LINES � <br /> FORMER USTs <br /> SIDEWALK 11-5— W MW 4 <br /> I -- - <br /> E2-E- 3 I B11<�5 <br /> TPH <50 <br /> I LOCATION OF E2-W-13 mrwf=<05 <br /> EXISTING USTs a od= 4 0 20 40 <br /> 2 <br /> APPROX SCALE IN FEET <br /> E1-W-13' F <br /> 7-ELEVEN, INC. <br /> 7—ELEVEN MW-3 FACILITY NO. 19976 <br /> ' I FACILITY (1112) �r 1399 NORTH MAIN STREET <br /> NO 19976 iPHc=<sD <br /> MANTECA, CALIFORNIA <br /> MTBE=<05 I 779956 <br /> 00=1 0 <br /> DRAWN BY E SIMONIS DATE 9-11-02 <br /> I DRAFTED 13Y CBD DATE 9-11-02 <br /> CHECKED BY DATE <br /> I POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON <br /> CONCENTRATION MAP <br /> PLANTER (07/08/02 SHALLOW ZONE) <br /> Shaw- Shaw E &I, Inc. � FIGURE 2 <br /> 19976GWC0702S <br /> t <br />