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EXPLANATION <br /> Mw-7 <br /> ♦- MONITOR WELL <br /> O SOIL BORING LOCATION <br /> T3—S-15 SAMPLE LOCATION WITH ID AND DEPTH <br /> ' 0 GEOPROBE SOIL BORING LOCATION <br /> NORTHGATE DRIVE PROPERTY BOUNDARY <br /> ------ <br /> — CANOPY BOUNDARY <br /> 8 BENZENE IN N.g/L <br /> AL <br /> EUM <br /> =PLANTER <br /> — - TPHG ASTGASOLINEL N jAg�IDROCARBONS <br /> MTBE METHYL—TERT—BUTYL—ETHER IN pg/L <br /> MW-5y ` \3 O DO DISSOLVED OXYGEN IN mg/L <br /> T PLANTER <br /> \ \ (13 90) POTENTIOMETRIC SURFACE ELEVATION <br /> ' MW-5A* <br /> (13 72) \\ —6 1 1390 POTENTIOMETRIC SURFACE CONTOUR <br /> TPHG<100 \\ (CONTOUR INTERVAL = 1 FT) <br /> i I MTBE=<1 0 y'�` (GRADIENT = O 001 FT/FT) <br /> ' I <br /> DO-i37 i \i — <br /> � � � __ GROUNDWATER FLOW EINE <br /> \\ PUMP —�- (WITH DIRECTION ARROW) <br /> ISLAND I 13$5 <br /> t <br /> \ I _ <br /> GP-1 �\ \\ \� —MW-1A <br /> QG —2 (1385) <br /> -2 - - _ <br /> � - r- \- - --y� 8=1 0 <br /> \T3-Nr 15• 1011-N-15 Q.SB MTBE-8 00 <br /> DO=3 54 , <br /> SB-1 \ <br /> Q MW <br /> p— <br /> T3-5-15• � P— I (13 90) N <br /> --- \ <br /> 8=051 <br /> TPHG=<100 <br /> I LOCATION OF \ MTBE=<10 <br /> -15 - -- I DO=1 82 <br /> FORMER USTs \ w MW-4 <br /> I SIDEWALK • , 'Tl 5 t�5 \ � <br /> l000 <br /> 2—E-13 \` I ,3 9 y <br /> E2—W-13 \ <br /> E2-c-13 �. a 0 20 40 <br /> LOCATION OF \ <br /> ' I EXISTING USTs E1—W-13• APPROX SCALE IN FEET <br /> • E1—f-15' � �\ � I <br /> E,-C-13' I �\ 0 7-ELEVEN, INC. <br /> 7—ELEVEN FACILITY NO. 19976 <br /> ' FACILITY ♦MW-g I 1399 NORTH MAIN STREET <br /> NO 19976 I MANTECA, CALIFORNIA <br /> I 779956 <br /> I DRAWN BY S LATHROP DATE 03-19-01 <br /> 1 I DRAFTED BY DEN HOLMES DATE 03-21-01 <br /> I CHECKED BY DATE <br /> POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON <br /> CONCENTRATION MAP <br /> — — — — — — — — — — — PLANTER — — — — — — (01/16/01 DEEP ZONE) <br /> IT CORPORATION FIGURE 3 <br /> 19975GWC0101D <br />