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JOB CLIENT LOCATION <br /> A ENGINEERING, EXX73R Exxon Stockton,Ca-Pershing <br /> SWEECHNOLOGY, <br /> CIENCE.AND DRILLING AND SAMPLINGNETHODS <br /> INC. <br /> 11 inch hollow stem auger with a 2.5 inch split spoon sampler. <br /> LOG OF SOIL BORING M W 9 Kvilhuag Drilling Co. St.Lie. No. 482390 <br /> Coordinates: 121 19' 12"west DRILLING <br /> 3759' 13"north WATERLEYEL 19:80 19.80 START I FINISH <br /> TINE 11 :40 18:58 TINE TINE <br /> Elevation top of casi ng: 7.79 ft. DATE 2-24-88 2-24-88 9:00 10:30 <br /> Casing belowsurface: 0.4 it. REFERENCE DATE DATE <br /> T of C T of C 2-24-88 1 2-24-88 <br /> w _ ,� v SURFACE CONDITIONS concrete sidewalk/driveway apron <br /> CL <br /> c c 3 w w w w <br /> =p <br /> on o o DESCRIPTION by Peter Kahn <br /> r� 0 concrete <br /> 1 sand fill <br /> 2 <br /> a 3 <br /> _ 18 7 3.5 clayey silt (MH) brown, dry, stiff , moderately <br /> 15 14In <br /> 4 MI I plastic, no odor, OVA= Oppm. <br /> 5 <br /> 6 <br /> 7 <br /> 6 8 <br /> 18 <br /> 1816-20 8'S 9 clayey silt (MH), brown, stiff, dry, stiff, no odor <br /> OVA= Oppm , calcium carbonate in fractures and <br /> 10 as mottling. <br /> 1 <br /> 2 <br /> —40- <br /> 18/ <br /> 018 10 : : 3 <br /> 13 13.5 <br /> _ 4 silt (MH),brown , dry, minor clay,no odor, OVA= Oppm <br /> calcium carbonate mottling. <br /> 15 <br /> 6 clay (CL), brown moist. <br /> 7 CL <br /> _ 10 <br /> 18 10 18.5 '° 8 = silt (MH),brown,no odor, dry, OVA= Oppm <br /> 18 30 <br /> g <br /> 20 MH <br /> Page 1 of 2 <br />