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1 <br /> B B• <br /> Former UST excavation <br /> 14Z <br /> —�AppraxtmateAround surface —— <br /> 1 <br /> B3 3 12 feet <br /> — Date 08107/98 <br /> BTEX ND <br /> CLAY/SILT LAYER TPHg ND <br /> U) MW3 6 bailer <br /> Date 02/20!03 <br />' B3 11 20 feet B 1'700 ` \ , <br /> H Date 02127!02 T 80 63-4 21 feet <br /> C . 133-6 21 feet 831 22 feet <br /> BTEX ND X 284 pate 12!21101 Date 08!07!98 Date 12!20!01 <br /> y TPHg ND ♦ BTEX ND <br /> — TPHg 6800 B ` 2200 B 2100 <br /> — <br /> B3 12 25 feet \ \ \ T 26 , \ \ \ ♦ •�� T 19 00040 <br /> TPHg ND <br /> m Date 02/28!02 ` E 62 , ` <br /> BTEX ND : X 58 \ `` t� E 29 000 <br /> r+� <br /> TPHg <br /> ND TPHg 6 900 ♦ ♦ ♦ X 150,000 <br /> ss g — g • `♦ � � � � � TPHg 1 600000 <br /> E \ <br /> x _ <br /> Z — <br /> MW3-3 bailer bailer <br /> o B3 11 40 feet B3-6 41 feet ► Date 07!09199 02/20/03 1 B3 4 40 feet <br />' v — B 113 14 Date 12/20/01 <br /> Date 02/28/02 Date 12121/01 <br /> BTEX ND BTEX ND T 2 506 250 MW3-1 bailer hailer BTEX ND <br /> E 886 77 Date 07/09/99 02/20/03 TPHg ND <br /> TPHg ND TPHg ND X 1772 330 B 18 33 <br /> TPHg 8 420 4 000 T 302 42 <br /> ' E 26 <br /> 791 <br /> X 791 130 <br /> TPHg 610 850 <br /> u4s <br /> 0 50 feet <br /> ' Location of cross-section shown on Figure 2 I_ — <br /> LITHOLOGY AND SYMBOL LEGEND <br /> Approximate horizontal scale <br /> ' EXPLANATION <br /> GRAVELLY CLAYEY \�\ <br /> LEAN CLAY Estimated extent of soil affected by petroleum hydrocarbons MW3-1 bailer Groundwater sample data <br /> N Date 02120!03 B-benzene, <br /> g 51LT SAND �� based on analytical data of soil and groundwater samples and UST SITE 3 <br /> photoionization detector(PID)field measurements B 33 T—toluene, <br /> '4 LEAN CLAY SANDY POORLY WELL T 42 y GROUNDWATER SAMPLE DATA <br /> a SILT GRADED SAND E—eth /benzene <br /> WITH GRAVEL SCREENED E 26 X—xylenes, CROSS-SECTION S-e' <br /> o INTERVAL Generalized high and low potentiometnc surfaces X 130 <br /> TPHg 850 TPHg—total petroleum hydrocarbons Port of Stockton <br /> LEAN CLAY SILT POORLY GRADED at the site between 7199 and 2103 qualified as gasoline <br /> SAND WITH SILT Data reported in micrograms per liter Stockton, California <br /> WITH SAND ND—nai detected Project No Figure <br /> NOT — ❑ Estimated extent of groundwater affected by petroleum <br /> g SANDY LOGGED SILTY SAND hydrocarbons 6437 001 9 <br /> LEAN CLAY C3EONtATR1X <br /> i <br /> a <br />