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ROY F. WESTON, INC. <br /> BORING LOGS <br /> Soil Boring No.: SB-2 Dates of Drilling: 5/12/99 Geologist: S. Lookingbill <br /> Location: N side of property, Proposed Drilled Depth: 16 feet Supervisor: B. Clarke, RGt/6627 <br /> Home Depot Site, Tracy, CA <br /> Client: Home Depot <br /> Project No.: 11526-033-003-0001 <br /> Equipment: Direct Push Rig Contractor: Precision Sampling, Inc. <br /> Drill Rig: XD-3 Driller: Ken Perez <br /> Sampling: 2"Macrocore Barrel Helpers: Michael Flylk <br /> DEPTH BLOW DESCRIPTION OF LITHOLOGY COMMENTS <br /> (feet) COUNTS <br /> 0-2.5 NA ML—Dark brown(10YR3/3) CLAYEY SILT, dry,very stiff, no odor. Recovery: NM <br /> 2.5-4.5 NA SM—Yellowish brown (10YR5/4)SILTY FINE SAND, slightly moist, Recovery: NM <br /> moderately loose,no odor. <br /> 4.5-7.5 NA CL—Yellowish brown(10YR5/4)SILTY CLAY, slightly moist,stiff, no Recovery:NM <br /> odor. <br /> 7.5-14 NA ML—Yellowish brown(10YR5/4) CLAYEY SILT,slightly moist to Recovery:NM <br /> moist, medium soft,no odor. <br /> 14-16 NA ML—Yellowish brown(10YR5/4) FINE SANDY SILT, no odor. Recovery: NM <br /> END OF SB-2 AT 16 FEET <br /> NOTES: 1. No evident fill observed. <br /> 2. Groundwater encountered at approximately 14 feet bgs. <br /> 3. NM = Not measured. <br /> 4. Backfilled with bentonite/neat cement grout upon completion. <br />