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MW-4 EXPLANATION <br /> (-935) <br /> B-<O 5 <br /> TPHG-400 + MONITORING WELL <br /> MTBE-3000 <br /> 0-10 ABANDONED MONITORING WELL <br /> NESTED SPARGE/VENT WELL <br /> • SOIL BORING <br /> SP1 <br /> MW-3 ♦ 1 -92� ..... — — PROPERTY BOUNDARY <br /> A <br /> WA TPHG 520 1 P T HG TOTALBENZEE IN AgIL <br /> PETROLEUM ETROLEUM HYDROCARBONS <br /> p Vj GT MTBE=O 98 1/ AS GASOLINE IN µ.g/I <br /> DO-08 A MTBE METHYL-TERT-BUTYL-ETHER IN µg/L <br /> SPV-1 17 DO DISSOLVED OXYGEN IN mg/L <br /> ` POTENTIOMETRIC SURFACE ELEVATION <br /> � <br /> 7-ELEVEN 1 <br /> 1 FACILITY 80 �MW�1A MW-� � ..,.. -$4 — POTENTIOMETRIC SURFACE CONTOUR <br /> NO. 17334 MW-5A i SB-1 = (CONTOUR INTERVAL = 0 2 FT) <br /> 1 (-9 a3 <br /> B-2,200 4"~ / 1 'q --- -�vn GROUNDWATER FLOW DIRECTION <br /> TPHBE-4,000 MW-59� , AND GRADIENT (1) <br /> WT2O DO-08 /B-<O 5 ~ <br /> 1 Z TPHG-<50 <br /> %L ;� 5 SPY-2 -0 0 8 pL <br /> mw-9 Z� H <br /> / at q� <br /> MW-2 <br /> (-S 76) \ ;/'' 0 30 60 <br /> 8-<05 <br /> TPHG-<50 CONCRETE 1 APPROX SCALE IN FEET <br /> MTBE-<o 5 PAD <br /> DO-0 a 1 <br /> 1 7-ELEVEN, INC. <br /> FACILITY NO. 17334 <br /> 4501 NORTH PERSHING AVENUE <br /> STOCKTON, CALIFORNIA <br /> 1 SAY 779950 <br /> 1 SOCK WA11� pR DRAWN BY E SIMONIS DAZE 05-22-02 <br /> V DRAFTED BY CBD DATE 05-22-02 <br /> ( (P1CA`l'� CHECKED BY DATE <br /> �pSEMp,R1f� ��E POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON <br /> CONCENTRATION MAP (04/11/02) <br /> Shaw The Shaw Group Inc' FIGURE 2 <br />