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EXPLANATION <br /> — — — —PROPERTY BOUNDARY <br />' NORTHGATE DRIVE r <br /> I GROUNDWATER MONITORING WELL <br /> E2—W-13 SAMPLE LOCATION, IDENTIFICATION <br /> AND DEPTH BGS <br /> — _ — _ _ _ B BENZENE CONCENTRATION IN }1g/L <br /> TPH—G TOTAL PETROLEUM—AS—GASOLINE <br />' PLANTER PLANTER \ CONCENTRATION IN Ng/L <br /> I <br /> MTBE METHYL--TERT—BUTYL—ETHER <br /> CONCENTRATION IN Ng/L <br /> DO DISSOLVED OXYGEN <br /> CANOPY CONCENTRATION IN mg/L <br /> I <br /> ( ) POTENTIOMETRIC SURFACE ELEVATION <br /> 1 I 1 ! FEET ABOVE SEA LEVEL <br /> ! x DATA NOT USED IN CONTOURING <br /> I ` 17 72 I DEEP WELL - <br /> w_ MW­1 (177.3) POTENTIOMETRIC SURFACE CONTOUR <br /> ' M=(7 (17 72 3_N 1 1 B-7 CONTOUR INTERVAL 01 FEET <br /> -7PHr G =57.000 + I I ; i T1 N-15' TPH� %,64004 <br /> MT6�=530 f I ! i % ! MTB <br /> Do= 36 I ! f E i 17 7 D0=0 2 mi I - GROUNDWATER FLOW DIRECTION <br /> ' 11 � \ <br /> T3—S— 1 11 I l\1 MW— A (17 60)• <br /> LOCATION OF j p I 1� B H G5<50 <br /> FORMER USTs s ; 1 [ MTBE=fJ T2—S-15 I T1—S-15 D0=0 299 <br /> SIDEWALK ! 1 ! 1774 <br /> H <br /> I W <br />' I adwo E2—E—13 1 cLLJ <br /> r_ <br /> 1 QC <br /> E2—W-13 1-- <br /> 2—C-13 4 V) <br /> I <br /> I 1 17 75 z <br />' LOCATION OF I <br /> EXISTING USTs El—W-13 <br /> #I E1—C I13 E1—E-15 <br /> f z <br />' I 7—ELEVEN 1 <br /> STORE 0 20 40 <br /> #19976 <br /> fS <0 5(17 76) 1 SCALE FEET <br /> TBE=<550 <br /> DO=0 47 SOUTHLAND CORPORATION <br /> 7-ELEVEN FACILITY NO. 19976 <br /> 1399 N I I AIN STREET <br /> MANT CA MCCALIFORNIA <br /> PLANTER 1039 98 <br /> DRAWN 9Y JP DATE 03-09-99 <br /> — — — — — — — — — — DRAFTED BY JP g'r DATE 03-09-9 <br /> CHECKED BY uv+ DATE S <br /> POTENTIOMETRIC SURFACE AND <br /> lie DISSOLVED HYDROCARBON <br /> CONCENTRATION MAP <br /> IT CORPORATION <br />' P 12/)8/99) <br /> SDH0299 <br /> FIGURE 2 <br /> E _ <br />