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� rr rr �r rr r ri r ■r rr r Ir r� rr r �r <br /> EXPLANATION <br /> 5 ♦ MONITOR WELL <br /> Q SOIL BORING LOCATION <br /> PROPERTY BOUNDARY <br /> i — _ — _ — — — — — — _ <br /> B BENZENE IN jag/L <br /> TPHG TOTAL PETROLEUM HYDROCARBONS <br /> AS GASOLINE IN jig/' <br /> MTBE METHYL-TERT-BUTYL-ETHER IN µg/L <br /> I DOOOLVEDGEN IN mg/L <br /> NA NOT ANALYZED <br /> 7-ELEVEN I (17 03) POTENTIOMETRIC SURFACE ELEVATION <br /> ' I FACILITY <br /> NO 21756 I —17 15— POTENTIOMETRIC SURFACE CONTOUR <br /> (CONTOUR INTERVAL = 005 FT) <br /> GROUNDWATER FLOW DIRECTION <br /> I AND GRADIENT (I) <br /> � I <br /> o B=0 97 <br /> TPHG=930 GP-1 <br /> $ MTBE=2800 <br /> DO=O 7 <br /> B <br /> mw—I '` TP G9B IOO <br /> (37 03) �, MTBE 23 <br /> t 00=0 9 N <br /> �1 MW-3 I <br /> (17 10) <br /> 0 GP-2 <br /> z I 10 <br /> ---- ---- ---- <br /> N95 <br /> --- r--- r--- <br /> 195 I I I I I I <br /> 0 30 60 <br /> 00 1 I I I I I <br /> �1Lb Q ; ; ; ; ; i GP-5I APPROX SCALE IN FEET <br /> I I I I I I <br /> Icp <br /> \ I I k I I I O <br /> �__� �__, I 7-ELEVEN, INC. <br /> o Q GP-4 FACILITY NO. 21756 <br /> MW-2 853 EAST YOSEMITE AVENUE <br /> — — <br /> *1719) - _ - -- --- MANTECA, CALIFORNIA <br /> T <br /> 2 PH 66G=<f00 781723 <br /> ° PH <br /> mTBE <br /> DO=O 627 <br /> DRAWN BY E SIMONIS DATE 09-21-01 <br /> : D4=0 DRAFTED BY DEN HOLMES DATE 10-01-01 <br /> CHECKED BY DATE <br /> a <br /> POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON <br /> IT CORPORATION CONCENTRATION MAP (06/27/01) <br /> FIGURE 2 <br /> 21756GWC06U1 <br />