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a <br /> JOB it CLIENT LOCATION <br /> SWECHA ENGINEERING, EXX73R Exxon,USA Stockton Ca—Pershing Ave. <br /> NOLOGY-INC- <br /> CIENCE.ANDDRILLING AND SAMPLING METHODSA1 1 inch hollow stem auger with <br /> LOG OF S01L BORING M W 8 a 2.5 inch split spoon sampler.Driller Kvilhaug St. Lic. No.482390 <br /> Coordinates: 121 19'12 "west DRILLING <br /> 37 59' 11 "north WATER LEYEL 19.34 20.25 START FINISH <br /> TIhE 10:00 12:00 TINE TIM <br /> Elevation top of casing: 7.78 ft. DATE13:00 14:20 <br /> Casing belowsurface: 0.5 ft. 2/24/88 4/11 /88DATE DATE <br /> REFERENCE T of C Toff 2/23/88 2/23/88 <br /> W U SURFACE CONDITIONS concrete sidewalk <br /> _ n. F- a f— = C7 <br /> u s � 2 LU 1--- d acc 0 <br /> o LU LU <br /> m W o o o = DESCRIPTION by .tan Stepek <br /> concrete sidewalk <br /> Usand brown fill <br /> 2 <br /> 4 <br /> s 3 " " <br /> 16 <br /> 18 5 3.5 clayey silt (OL),black moist no odor OVA= 0 ppm <br /> ' <br /> 4 � � „ <br /> „ OL ; <br /> 6 <br /> 7 <br /> 3 <br /> 8 <br /> 185 <br /> 12 8 8.5 <br /> 9 clayey fine sand /silt (ML), grey/green moist no <br /> odor,OVA= Oppm. <br /> ML <br /> 5 <br /> 5 3 <br /> 1818 12 13.5 clayey medium sand (SC), gray/green moist no <br /> 4 odor OVA= Oppm <br /> 15 <br /> 7 <br /> 5 <br /> 8 <br /> 1818 11 18.5 :• <br /> 9 sandy silty clay (CL), brown moist no odor <br /> 20 CL OVA=Oppm. <br /> Page 1 of 2 <br />