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Drilling Log <br /> FWORDANIEL GTI 4 Soil Boring GP-3 <br /> Project Southland/Pombo&Grant Line, Tracy Owner The Southland Corporation See Site Map <br /> SW corner Pombo Pkwy 6 Grant Line Rd, Tracy, CA 020700544 For Boring Location <br /> Location Proj. No. <br /> Surface Elev. Total Hole Depth 20 ft. Diameter 2 in- COMMENTS: <br /> Top of Casing N/A ft. Water Level Initial 18 ft. Static 10.6 ft. <br /> Screen: Dia N/A in. Length N/A ft. Type/Size N/A in. <br /> Casing: Dia N/A in. Length N/A ft. Type N/A <br /> Fill Material Portland Cement Rig/Core Geoprobe/2in dia. X Oft. core barye <br /> Drill Co. Gregg Drilling Method Direct Push <br /> Driller Dan Cooper Log By David Bean Date 8/5/97 Permit # N/A <br /> Checked By Ed Simonis License No. RG No. 4422 <br /> L.� ~ C y U m <br /> of �, o U <br /> L�, `0 Description <br /> a. <br /> Q. a U v �o <br /> o-- a s E a d) f0� En (Color, Texture, Structure) <br /> m ir j Trace < 10%, Little 10% to 20%. Some 20% to 35%, And 35% to 50% <br /> -2 <br /> 00 pen grade at surface. <br /> 2 ML Sandy Clayey SILT (5,15,80): Dark brown, slightly moist, no hydrocarbon <br /> odor. <br /> 4 Clayey SILT (40,60): Mottled light brown/brown-gray, moist, no <br /> hydrocarbon odor. <br /> 6 0 GP3 <br /> -6 <br /> Clayey SILT (40,60): Light brown, moist, no hydrocarbon odor. <br /> KL <br /> 8 CL <br /> 10 0 GP3 <br /> -10 t Static Groundwater Level 8/5/97 <br /> ML Interbedded Silty SAND (20,80) and Clayey Sandy SILT (10,30,60): Brown, <br /> 12 SM wet, no hydrocarbon odor. <br /> Silty CLAY (50,50): Light brown, moist, no hydrocarbon odor. <br /> 14 <br /> 0 GP3 CL <br /> 16 -15 <br /> 18 Q Groundwater Encountered 8/5/97 <br /> ML Clayey SILT (20,80): Light brown, wet, no hydrocarbon odor. <br /> 20 SM Clayey Silty fine SAND (20,30,50): Light brown, wet, no hydrocarbon odor. <br /> 0 GP3 <br /> -20 Drilled and sampled to 20 feet. All percentages are approximate. <br /> 22 <br /> L24 <br /> 08/29/1997lithloo-June.96 Paoe: I of 1 <br />