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ROY F. WESTON, INC. <br /> BORING LOGS <br /> Soil Boring No.: SB-4 Dates of Drilling: 8/22/00 Geologist: S.Lookingbill <br /> Location:Future Home Depot Site,Tracy,CA Drilled Depth: 12 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 /> Sampling:2"Acrylic Liners <br /> DEPTH DESCRIPTION OF LITHOLOGY <br /> (feet) <br /> 0-2 MH—Dark brown(10YR 3/3)CLAYEY SILT,damp,stiff,no odor. <br /> 2-4 CH—Light yellow brown(10YR 6/4)SILTY CLAY,moderately plastic,damp,stiff,no odor. <br /> 4-7.5 ML—Yellow brown(10YR 5/4)SANDY SILT,moist,firm,no odor. <br /> 7.5-9.5 SM—Yellow brown(10YR 5/4)SILTY SAND,wet,firm,no odor. <br /> 9.5-12 CH—Yellow brown(10YR 5/4)SILTY CLAY,moderately plastic,moist,stiff,no odor. <br /> END OF SB-4 AT 12 FEET <br /> NOTES: 1. Groundwater encountered at approximately 8 feet bgs. <br /> 2. Boring was abandoned with bentonite-cement grout through tremie pipe. <br />