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BORING LOG <br /> Project No Boring Diameter 9" Logged By <��6 <br /> KE1-P89-1104 Casing Diameter N/A W W -161,/6 33 <br /> Protect Name Unocal S/S #5421 Well Cover Elevation Date Drilled <br /> 7303 Pacific Avenue,Stockton 11/9/92 <br /> Boring No Drilling Hollow-stem Drilling Company <br /> EB1 Method Auger Woodward Dnlhng Co <br /> Penetration G W Depth Straft- <br /> blows/5" level (feet) graphy Description <br /> Samples USCS <br /> 0 <br /> Asphalt pavement over sand and gravel base <br /> Silty clay,estimated at 15% silt and 5-10%sand,most very dark <br /> gray,trace rootlets <br /> Silty clay,estimated at 15% silt and 5-10%fine-grained sand, <br /> 11/22/25 5 CL hard, moist,very dart:gray(5Y 3/1) <br /> Silty clay,estimated at 25-30% silt and 5% fine-grained sand <br /> 10/21/23 hard,moist,pale brown(10YR 6/3),trace rootlets <br /> 10 ZZ,__ <br /> Silt,estimated at 5% clay and trace fine-grained sand,hard moist <br /> light greenish gray(5GY 5/1),trace rootlets <br /> ML <br /> 11/16/24 15Sand,very fine-grained,dense,moist pale brown (10YR 6/3), <br /> SP slightly micaceous <br /> —————————————————————— <br /> 14/15/16 20 ML –_-- stiff moist gray (SY 5/1} <br /> = Silt,trace very fine-grained sand, very <br /> _–= micaceous <br /> Pace L of 3 <br />