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ROY F. WESTON, INC. <br /> BORING LOGS <br /> Soil Boring No.: SB-1 Dates of Drilling: 8/22/00 Geologist: S.Lookingbill <br /> Location: Future Home Depot Site,Tracy,CA Drilled Depth: 16 feet Supervisor: D.Clarke,RG#6627 <br /> Client: Home Depot <br /> Project No.: 11526-033-005-0001 <br /> Equipment: Geoprobe Contractor:Precision Sampling <br /> Drill Rig: Geoprobe Driller:Juan Carlos Morales <br /> Sampling2"Acrylic Liners <br /> DEPTH DESCRIPTION OF LITHOLOGY <br /> (feet) <br /> 0-1.5 ML—Dark Brown(10YR 3/3)SILT,some cobbles and crushed concrete,dry,non cohesive,no odor. <br /> 1.5-4 MH—Dark Brown(10YR 3/3)CLAYEY SILT,moderately plastic,damp,stiff,no odor. <br /> 4-7 ML—Yellow brown(10YR 5/4)SANDY SILT,calcarious pockets,damp,firm,no odor. <br /> 7-9 SM—Yellow brown(10YR 5/4)SILTY SAND,fine to med.grained,thin layers of silt,wet,firm,no odor. <br /> 9-11 MH—Yellow brown(2.5Y 4/2)CLAYEY SILT,low plasticity,wet,stiff,no odor <br /> 11-16 CH—Yellow brown(2.5Y 4/2)SILTY CLAY,high plasticity,wet,stiff,no odor <br /> END OF B-1 AT 16 FEET <br /> NOTES: 1. Groundwater encountered at approximately 8 feet bgs. <br /> 2. Boring was abandoned with bentonite-cement grout through tremie pipe. <br />