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♦ EXPLANATION <br /> MW-7 <br /> + MONITOR WELL <br /> 4- DOUBLE--NESTED SPARGE WELL <br /> ' I O SOIL BORING LOCATION <br /> T3 s5' SAMPLE LOCATION WITH ID AND DEPTH <br /> i <br /> NORTHGATE DRIVE Q GEOPROBE SOIL BORING LOCATION <br /> — PROPERTY BOUNDARY <br /> I -— — — - CANOPY BOUNDARY <br /> BENZENE IN µg/L <br /> — — ` TPHG TOTAL PETROLEUM HYDROCARBONS <br /> AS GASOLINE IN jug/I: <br /> PLANTER MW-5A PLANTER MTBE METHYL--TERT-BUTYL-ETHER IN Ag/L <br /> {IOfi3) �� MW-61 I DO DISSOLVED OXYGEN IN mg/L <br /> 8=<0 5 T <br /> t— <br /> TPHG=<50 MW-5 <br /> MTBE=2 5 (1 1 1 1) POTENTIOMETRIC SURFACE ELEVATION <br /> 00=1 Q <br /> _ 110 — POTENTIOMETRIC SURFACE CONTOUR <br /> (CONTOUR INTERVAL = 0 1 FT) <br /> I <br /> \ PUMP — GROUGRADIENT ( w LINE <br /> ANp <br /> ISLAND <br /> I ♦ <br /> GP-1 \♦ .�0� \ <br /> ©I r — ♦ vG <br /> � 2 M ♦ 3—N-15� y:r�1s 058 2 <br /> -- - ' <br /> SP-1 ♦ �vp <br /> , __ MW-1 <br /> i I MW-1A N <br /> —T3-5-15 1 \ \-STUBBED UP (10 7$) <br /> \ <br /> VENT LINES TPHG-72 1� <br /> LOCATION OF T2-5-15 MTBE=1a <br /> SIDEWALK FORMER USTs - ET�S 1�5 ♦ �0=1 6 / MW-4 <br /> O MW— A <br /> \'`gyp <br /> 2—f 13 I \O\o� / B=< 5f <br /> TPHG= 5E2—w-13 ♦ MTBE= z0 20 40 <br /> :2�-C-13' I \ <br /> ' LOCATION OF \ w APPROX SCALE: IN FEET <br /> EXISTING USTs Es—w-13' <br /> tr <br /> E1—c-13 E1-E-15 7-ELEVEN, INC. <br /> Z FACILITY NO. 19976 <br /> 7—ELEVEN I 1399 NORTH MAIN STREET <br /> -�- <br /> FACILITY MW-3 <br /> I NO 19976 = MANTECA, CALIFORNIA <br /> 779956 <br /> I Q DRAWN BY E SIMONIS DATE 9-11-02 <br /> Z DRAFTED BY CBD DATE 9-11-02 <br /> i CHECKED BY DATE <br /> I POTENTIOMETRIC SURFACE AND <br /> I DISSOLVED HYDROCARBON <br /> PLANTER CONCENTRATION MAP <br /> shaWTM Shams E&I, Inc. — — — — — r - — — — (07/08/02 DEEP ZONE) <br /> FIGURE 3 <br /> 19976GWC07020 <br />