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m 1 <br /> I � <br /> rn N <br /> rn <br /> r. <br /> Mw-5 <br /> (1540) EXPLANATION <br /> B=<0 5 <br /> z w NORTHGATE DRIVE / TPH-G=390 PROPERTY BOUNDARY <br /> q / MTBE=<1 <br /> lQY Z DO=I 2 PROPOSED NEW WELL <br /> N ` <br /> GROUNDWATER MONITORING WELL <br /> h SOIL BORING LOCATION <br /> 0 <br /> � <br /> PLANTER Mw-SA PLATER \ E2-w-13 SAMPLE LOCATION, IDENTIFICATION <br /> • AND DEPTH BGS <br /> MW-5 <br /> - (15 20) <br /> as I TPS{-G=1 20 Q GEOPROBE SOIL BORING LOCATION <br /> MT E=13 40 <br /> I <br /> DO-1 0 <br /> MW-6 y B BENZENE CONCENTRATON IN pg/L <br /> (EPA 8020) <br /> CANOPY , TPH-G TOTAL CO CENTRARTIIONU N N9� ASpLINE <br /> PUMP <br /> ISLAND MW-1 (EPA 15) <br /> (15 43) a MTBE METHYL--ERT-BUTYL-ETHER <br /> x O <br /> w 8=<3 CONCENTRATION IN Ng/L <br /> x I GP-1 GP-2 TPH-G=1,140 DO (EPA 8260) <br /> DISSOLVED OXYGEN <br /> L) + 0 0 I 00=4 4 40 ^ CONCENTRATION IN mg/L <br /> / 3-N=14- Ir T1_N-15' ( ) FEETNTIOMABOVE SC SURFACE ELEVATION <br /> \ LEVEL <br /> B 56001535 SBD I II I I X (J <br /> TPP-'G=58 000 Myr 1 / POTENTIOMETRIC SURFACE CONTOUR I <br /> N MTBE=1,40 I I I <br /> DO=1 2 T3-S-1 P_3 Mw IA CONTOUR INTERVAL 0 10 FEET <br /> GROUNDWATER FLOW DIRECTION <br /> LOCATION Of T2-5-15 1 <br /> SIDEWALK FORMER USTs 5 SC \ <br /> — i NM NOT MONITORED <br /> Li <br /> w <br /> X <br /> ,,,J lr E2-w-13' _ <br /> uuo z X -C-13' I /TFPH-G=< <br /> 595) X PIZOrO51±D 501I_- CzA5 <br /> =o as SuRv�Y 1�olryz <br /> O v LOCATION OF Q100 <br /> EXISTING USTs E1-W-13 EI-CiOB3-1 1 � �QS�O SIMC1LPftiO�E <br /> x ' 7—ELEVEN <br /> 1 STORE <br /> w #19976Mw-3 (15 49) <br /> a i <br /> TMA! <br /> SCALE <br /> MTB=3 7E <510p <br /> D0 <br /> D 20 44 FEET <br /> I II <br /> i <br /> 7-ELEVEN, INC <br /> 7-ELEVEN FACILITY NO 19976 <br /> 1399 N MAIN STREET <br /> PLANTER MANTECA, CALIFORNIA <br /> ,a <br /> n <br /> n <br /> I <br /> FIGURE 2 <br /> '" POTENTIOMETRIC SURFACE AND <br /> DISSOLVED HYDROCARBON l�^ <br /> CONCENTRATION MAP (SHALLOW ZONE) <br /> p 04/06/2000 <br /> I <br /> i <br />