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1 <br /> MW-7 EXPLANATION <br /> MONITOR WELL <br /> ' DOUBLE-NESTED SPARGE WELL <br /> O SOIL BORING LOCATION <br /> NORTHGATE DRIVE i3-S-15 SAMPLE LOCATION WITH ID AND DEPTH <br /> O GEOPROBE SOIL BORING LOCATION <br /> 1 — PROPERTY BOUNDARY <br /> =PLANTER <br /> -``- CANOPY BOUNDARY <br /> MW-5A 8 BENZENE IN Mcg/L <br /> (11 63) PLANTER TPHG TOTAL PETROLEUM HYDROCARBONS <br /> P <br /> THG=< MWy \ AS GASOLINE IN µg/I <br /> MTBE PHG T MTBE METHYL-TERT-BUTYL-ETHER IN ug/L <br /> Do=o s 0 -6MW-5 <br /> DISSOLVED OXYGEN IN mg/L <br /> 1 <br /> I (11 11) POTENTIOMETRIC SURFACE ELEVATION <br /> I / <br /> \\ / IN \\\ i 110 — POTENTIOMETRIC SURFACE CONTOUR <br /> PUMP <br /> (CONTOUR INTERVAL = 0 1 FT) <br /> 1 <br /> ISLAND - -_ GROUNDWATER FLOW LINE <br /> \ ' AND GRADIENT (r) <br /> \\ SB-2 j w <br /> GP-10 \ \ \0p- \ GP-2 <br /> MW-2 i 0 l MW-1 <br /> \T3-N- -so\ i _ MW- A <br /> *TI—N-15 (11 79) <br /> • PHG <br /> T = / <br /> PHG <5D / <br /> SP-1+ \ ;\�// 3P-3I MTBE=<05 <br /> ` , \ v 00=1 3 <br /> 41 <br /> T3-S-45' I 12 0I <br /> VENT LINES <br /> UP / TJIW(3�=<0 5 N <br /> LOCATION OF � r , VENT LINES =<5D <br /> SIDEWALK FORMER USTs T2-S-15' f MTBE=<05 <br /> E T1-S I'5 d 4 Do=1 1 <br /> � 1 <br /> 4 MW-4 <br /> E2-W-13 2-E-13 <br /> 1 <br /> E2—c—is <br /> ' <br /> LOCATION OF O zQ 40 <br /> 11 EXISTING USTs E1-W-13 LL1 <br /> E1—C-13 E1-E-15 la__� APPROX SCALE IN FEET <br /> 7-ELEVEN 1 z <br /> FACILITY z 7-ELEVEN, INC. <br /> l <br /> NO 19976a FACILITY NO. 19976 <br /> *MW-3 a 1399 NORTH MAIN STREET <br /> MANTECA, CALIFORNIA <br /> f779956 <br /> Z DRAWN BY E SIMONIS DATE 12-04-02 <br /> + DRAFTED BY CBD DATE 12-04-02 <br /> I ! CHECKED BY DATE <br /> + POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON <br /> 19976GWC1002D <br /> PLANTER CONCENTRATION MAP <br /> haw'" Shaw E &I, Inc. ` — — - <br /> (10/03/02 DEEP ZONE) <br /> FIGURE 3 <br /> Pl \Consulting\CAD\DWG\779956\19976gw.1002d dwg 12/18/2002 f 1 5-0 3G ANE <br />