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mw- <br /> (12-08) <br /> 8=<O <br /> = 5 <br /> 8EXPLANATION <br /> <O <br /> ' TPHG-<50 <br /> WTBE-8 6 1'j,-� ♦ MONITOR WELL <br /> DO=13 ' <br /> DOUBLE-NESTED SPARGE WELL <br /> 1 \ <br /> \ OO SOIL BORING LOCATION <br /> \ T3-S-15' <br /> \ • SAMPLE LOCATION WITH ID AND DEPTH <br /> NORTHGATE DRIVE \ <br /> \ Q GEOPROBE SOIL BORING LOCATION <br /> PROPERTY BOUNDARY <br /> MW-6 <br /> <0 —-'"-— CANOPY BOUNDARY <br /> 8= <br /> 8=<0 5 <br /> � <br /> =8O B BENZENE IN µg/L <br /> 63 TPHG TOTAL PETROLEUM HYDROCARBONS <br /> I PLANTER MW-5A PLANTER\ Do=1 I AS GASOLINE INµg/1 <br /> 1 \ MTBE METHYL-TERT-BUTYL-ETHER IN jcg/L <br /> f <br /> MW-5+ \* L: DO DISSOLVED OXYGEN IN mg/L <br /> (12-14) (12-45) <br /> , (1245) POTENTNOMETRIC SURFACE ELEVATION <br /> 8-260 TPHG=6,100 <br /> ,` ry <br /> ' <br /> MME-570 \ // \ i —12.4—. POTENTIOMETRIC SURFACE CONTOUR <br /> \ (CONTOUR INTERVAL = 0 1 FT) <br /> PUMP I GROUNDWATER FLOW LINE <br /> ISLAND I —- AND GRADIENT (1) <br /> v OG 2 <br /> OB 2 <br /> MW-2 <br /> (12.24) SB-1� /_A i MW-1A F ,h <br /> ' e=S,Ooo + I \ Iu 1'svGP— MW-1 <br /> I TPHG=58,� SP--1 Ts-S�-15'\.II-� I I I (12.27) <br /> UTBE-11.000 I r 11 1 8=150 <br /> 00-10 - �` II 1 TPHG=2.900 N <br /> 11 MTBE-5.600 <br /> I txmo 9 MW-4A <br /> SIDEWALK FORMERNUSTs T -5-� 5 5 5; MW-4 <br /> E2-E 2-E �13' N (12.55) <br /> I LOCATION OF ,\iL 8a<0 5 <br /> DUSTING USTs -111-13' I TPHG-<50 <br /> IMTBE=<O S-13' Q 00=13 0 20 40 <br /> I <br /> E1—w-13' APPROX. SCALE IN FEET <br /> E1-E-15' <br /> \ ' ' z <br /> 7-ELEVEN, INC. <br /> 7—ELEVEN \ MW-3 , ! FACILITY NO. 19976 <br /> FACILITY (12.27) <br /> s=<0 5* / 1399 NORTH MAIN STREET <br /> NO. 19976 7T'HG-<50 I MANTECA, CALIFORNIA <br /> I \ <br /> MTBE---0 55 I <br /> ' DO-11 779956 <br /> DRAWN BY- E. SIMONIS DATE 6-10-02 <br /> DRAFTED BY CBD DATE 6-10-02 <br /> I CHECKED BY DATE <br /> METRIC SURFACE AND <br /> 3 <br /> PDISSO�ED HYDROCARBON <br /> PLANTER CONCENTRATION MAP <br /> -- — — ---- -- — --�- ---- — — --- — -- (04/04/02 SHALLOW ZONE) <br /> Sh5W The Shaw Group incFIGURE 2 <br />