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I <br /> couuE>?cuL <br /> i ! I <br /> PARKING <br /> i 7 <br /> ! f Z <br /> r I I <br /> ! <br /> I <br /> 1 , <br /> -- w—� NO - -- -- -- I � a 20 40 <br /> Np NO , I SCALE IN FEET <br /> II ND HO Ir I <br /> I ! LEGEND' <br /> , r � <br /> r O GROUND WATER MONITORING <br /> � JACK iN <br /> PARKfNC 72 I I mw- THE 80X WELL <br /> 3 Auw-5 sND W , ND f RECOVERY WELL <br /> 240 l NO ND J I _NDIND <br /> APPROXIMATE EXTENT OF <br /> uw- N DISSOLVED—PHASE HYDROCARBONS <br /> ' 42 1 e GENERAL DIRECTION OF <br /> 0 s 3 a Z GROUND WATER GRADIENT <br /> 1400 ! TPH—C <br /> 21' STORM ° 500 40 uw_J � r B T <br /> DRAJN y 210 320 FP i I E X <br /> ` ►� l 7 , - 9 7 , I TPH-G - TOTAL PETROLEUM HYDROCARBONS <br /> AWW-2 ,18' sAs � C3— -- -- - - �I lw- 43 ND + , ND w-3 AS GASOLINE <br /> _ 7 4 5 1 i i D ND B - 8�E <br /> 5 , I T s TOLUENE <br /> NO � <br /> +DN <br /> NE <br /> +NOND <br /> ° 75 033 \ 175 x - MT��NES4032 <br /> \` <br /> r ND NOT DETECTED AT OR ABOVE <br /> 1 r WATER -_ _ _ TRACY B 0 U LEVAR D NETFfOD DEFECTION LIMITS <br /> -- -- \ FP FREE PRODUCT <br /> Ir Ulm� ppb PARTS PER BIWON <br /> - - — 21' STORY 0"N <br /> 1 I <br /> 3` <br /> rrw-s f uw—s 1400 <br /> 51.00 <br /> FIGURE 4: DISSOLVED---PHASE <br /> 99� 36D t9 5 6 HYDROCARBON. CO CENTRATIONS <br /> 01 140 230 Pp <br /> COMMERCIAL j EXXON i 50 CHEVRON (MARCH 82) <br /> DUE TO CRAF"CAL RE57RA1NTS THE POSITIONS OF FORMER MOBIL STATION 04—NP4 <br /> 134' <br /> MONITORING <br /> ILAMM-1 AMI-3 ARE NOT SHOWN <br /> TRUE LOCATION <br /> I 2375 TRACY BOULEVARD <br /> _� TRACY, MFORNIA AMW <br /> N° <br /> NO NO ALTON GEOSCiENCE <br /> NO NO Pleasonton. California <br /> SOURCE BP OIL COMPANYCITY OF TRACY UTI3lTfs:S DEPT. PROJECT NO. 30-0140 A <br /> 40-ARS <br /> 6/8, 92 <br />