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• B-'-B/ 8-11/ BW6 � �! B-1a/ <br /> Mw3 vW2 <br /> :I 0 A ,y R A <br /> Silt some sand, <br /> Sand; fine— to fine—grained <1` <br /> medium—grained �:��--� ��— ��— <br /> �` ' EXPLANATION: <br /> Silt trace some clay / <br /> MW8/ Monit ring Well <br /> Sandy silt, to silt <br /> S Sandy silt, to silt 1�_ �__ �� some sand, <br /> some sand, fine—grained —� B-11 <br /> 20 _,--! fine--grained Va or-1=xtraction Well <br /> _�� VW-2 p <br /> Sandy silt, fine— <br /> Z � ��� ,� ,� to coarse—grained <br /> T Ground—Water Surface <br /> (October 1991) <br /> �- — Sand, fine--fine-- to �� —�y —�� Sand <br /> z coarse—grained �- - -yrs (gravelly sand) Slotted Casing <br /> 30 60 340 <br /> Sand, fine— to <br /> Silt some clay <br /> coarse—grained <br /> w Silt some sand, 71 g <br /> •% G Soil Sample <br /> fine—grained Silt some clay <br /> 1.0 340 Concentration of TPHg Measured <br /> 40 Z\ in Parts Per Million <br /> Sandy silt, 5 <> <br /> 1.0 — —fine—grained ���f 1.0 �� 1.0 <br /> 50 ! - - - - - - _ . - - - _ �� T.D. <br /> 10 <br /> Silt some clay <br /> ?�— --- <br />. Sand, fine— to ' <br /> coarse—grained 5 <br /> 60 Sandy silt, <br /> fine—grained 0 10 20 <br /> 65 <br /> T.D. T.D. APPROXIMATE SCALE <br /> in feet <br /> Vertical Exaggeration = 2X <br /> GEOLOGIC CROSS-SECTION A-A` PLATE <br /> ARCO Service Station No. 648 26 <br /> 1 1612 Hammer Lane <br /> PROJECT NO. 30004 0004D15A ME NO. <br /> S#ock#on, Callfornl8 <br /> SEE <br />