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11/07/96. 10:50 $510 842 8370. CHE17RON U.S.A. 10013/031 <br /> 11 4..Rr <br /> FA ENGINEERING, CLIENT STATION 4 LOCATION <br /> 45 E. Harding Way <br /> SCIENCE.AND Chevron USA Inc. SS 9-1918 Stockton, California <br /> TECHNOLOGY, INC. _MMTn7=,5AMl`I_IN(3 ML otary orn with n. <br /> LOG OF SOIL BORING:M W6 OD hollow stem auger and 2 in, modified California Split spoon sampler <br /> with brass liners: C57:512268 <br /> Coordinates: N 37 58' 02" R WATER LEVEL 36.01 I T 1 .36.27 1 DRILLING <br /> W 121 17'40" START FINISH <br /> Elevation top of casing: 13,08 ft " TIME 8:00 11:30 TIMETIME <br /> DATE 11.11 11.15 15:00 18:30 <br /> I Casing below surface: 0.21 ft II REFERENCE grnd T of CDATE11 10-88 DAT 1 1 t BB <br /> ncneso SURFACE <br /> c a a, y a WELL DEPTH:; RAPHIC CONDITIONS Vacant lot with uneven, graded soil <br /> j > S 'o O a DETAIL (Feel)i� LOG <br /> II d em m n �I DESCRIPTION by: T R WinSor1a2-,•D <br /> 0 <br /> 1 Dusky yellow brown silty clay , rather hard and friable <br /> 1 <br /> 21' <br /> I � 3 <br /> 13 4 <br /> 19 10 13 p <br /> ' 16 5 Yellow brown silty clay-fine silt gives clay a gritty feel <br /> and appearance, predominantly clay <br /> 7 � <br /> II <br /> 18 12 7 9 <br /> 0 <br /> 16 <br /> 28 1 r Yellow brown silty clay-fine silt in clay matrix; <br /> �j rare rounded grain of sand that is medium <br /> 11 � <br /> 12 'I <br /> 13 <br /> 18 <br /> 12 6 0 14 L <br /> 20 15 <br /> Same silly clay-fine silt with some mica; rare quant <br /> 167 <br /> grain; some vuggy CaCO3 <br /> 17 <br /> 9 <br /> 1a 12 t 19-1 4 Olive gray-siluvig sand rounded quartz and dark IilhiCs <br /> t320 � weak odor <br /> i <br /> Page 1 of 2 <br /> 4 <br />