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Soil Boring Logs and Well Construction Details <br /> University of the Pacific <br /> 1081 W. Mendocino Avenue <br /> Stockton, California <br /> Sh-interval indicates depth of soil sample recovered for laboratory analysis <br /> LOG OF WELL BORING MW-3 <br /> Depth <br /> Notes Interval Soil Description <br /> (ft) <br /> 5-inch asphalt layer overlying 5-6 feet of base material First 5 <br /> 11/16/01 0 to 5 feet cored out at 6 inches for seal <br /> Start 08 30 <br /> Brown Clay [ML],silty, fine sand, minor coarse sand,damp,no <br /> Logged by 5 to 7 odor,dense average drilling rate <br /> PBH <br /> Grades to Silty Clay[CL], very dense <br /> 7 to 10 <br /> Mottled Clayey Silt[ML],contains 40% fine sand Soil sample <br /> 0 to 1 taken at 12 5 to 13 feet <br /> L Sandy silt[ML],increased sand,increased moisture <br /> 13 to 16 <br /> Z <br /> ti <br /> ti <br /> % 16 to 17 Sandy silt [ML], gray mottling present <br /> 1 <br /> Brown Clayey Silt[ML],fine sand present,dense, moist <br /> 1 <br /> 1 <br /> 17 to 22 <br /> S <br /> L <br /> 1 <br /> t <br /> ti <br /> ti <br /> 1 Gray-brown Silty Sand [ML],brown-black grams, very moist and <br /> A wet,no odor,drilling rate faster <br /> 22 to 29 <br /> y <br /> ti <br /> ti <br /> ti <br /> ti <br /> ti <br /> 1 <br /> 1 <br /> Bottom of Gray-brown Silt[ML],minor fine sand, moist, no odor,obvious <br /> boring 30 feet 1 29 to 30 contact <br />