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�, r r �r r rr r rr r� r rr ■r rr rr r � r <br /> EXPLANATION <br /> MONITORING WELL <br /> mob, O' SOIL BORING <br /> rT — — — — — — — — — — NESTED SPARGE/VENT WELL <br /> <W— <br /> (1440) <br /> _ _ _ <br /> I PROPERTY BOUNDARY <br /> 8=<05 B BENZENE IN !s9/L <br /> MTBE=<O5 <br /> � I TPHG=<5 I TPHG TOTAL PETROLEUM HYDROCARBONS <br /> DO=1 1 ay AS GASOLINE IN µg/I <br /> MTBE METHYL—TERT—BUTYL-ETHER IN Ag/L <br /> DO DISSOLVED OXYGEN IN mg/L <br /> 7—ELEVEN I NA NOT ANALYZED/NOT AVAILABLE <br /> FACILITY <br /> 00` NO 21756 I (14 69) POTENTIOMETRIC SURFACE ELEVATION <br /> I ` <br /> —1450— POTENTIOMETRIC SURFACE CONTOUR <br /> w (CONTOUR INTERVAL = 0 05 FT) <br /> z GROUNDWATER FLOW DIRECTION <br /> j AND GRADIENT (i) <br /> %0 / <br /> `a `�yg w <br /> (14 52)mW_I �' (4 58) I 3 <br /> B=<t 7 B=<0 5 N <br /> TPHG=<170 �� TPHG=<50 <br /> I MTBE=2 900 MTBE=<0 5 <br /> 00=1 1 00=10 6O' GP-2 FORMER UST's <br /> I SPV-2�� i is ii i <br /> I I GP-6 ; 0 30 60 <br /> i 'SPV i i <br /> GPO \_ ___-_ ', GP-51 APPROX SCALE IN FEET <br /> 6 <br /> 1-ELEVEN, INC. <br /> Mw-2 GP-4 FACILITY NO. 21756 <br /> EAST <br /> EMITE <br /> �i<os) _ _ � _ _ � � 853MANTECAO� NUE <br /> CALIFORNIA <br /> TPHG=<50 7$1723 <br /> MTBE=<O 5 <br /> E YOSEMITE AVENUE D0=13 DRAWN BY E SIMONIS DATE 11-15-02 <br /> DRAFTED BY C DOUGLAS DATE 11-15-02 <br /> CHECKED BY DATE <br /> POTENTIOMETRIC SURFACE AND <br /> Shaw DISSOLVED HYDROCARBON <br /> Shaw E&I,Inc, <br /> CONCENTRATION MAP (10/01/02) <br /> 21756GWC1002 FIGURE 2 <br />