Laserfiche WebLink
Wr!-Oht Environmental Services, 1--., Tracy, CA <br /> �Barploratory Boring Log <br /> Projelct No. 4529 Boring/Well No. B- <br /> Client: City of Tracy Date Drilled: Feb. 10, 2003 Well Installed: No <br /> Location: 560 Tracy Blvd., Tracy, CA Logger. CMP Total Depth: 24 ' <br /> Drilling Method: 3"OD GeoProbe Cement Grout Seal: 24 ' to surface <br /> Permit: PHS EHD 32664 <br /> Water Levels: ist Enc: 13'+ Static: 13.8 Q 11:25 <br /> Sample Cont. °' Depth <br /> No. PID Core 9 Lithology Log Borehole <br /> m Completion <br /> (ppm) Concrete pavement <br /> w~A~ <br /> B31 wwww <br /> b4' 0 1 ML- CLayey SILT, 2.SY3/2, very dark grayish brown, low plasticity, <br /> f. sand <5%, faint bedding, firm, damp. ~w"F <br /> w" <br /> C Same as above, appears increase in silt, less sand, moist, firm. ~"^" <br /> 5 "Fw <br /> Bae 1 2 "w"F <br /> F"w <br /> FAw <br /> FAw <br /> Possible discolorization(?) and increasing clay at 11.5 feet. <br /> w~A~ <br /> B'"to 12' 1 3 0 =F~ <br /> CL- Silty CLAY, brown 10YR5/3, low plasticity, massive, contains very FAw" <br /> thin sandy beds, stiff, damp. <br /> FA <br /> A"w <br /> ea4 2 4 <br /> ID 16' <br /> F"F <br /> 15 <br /> SC-Clayey SAND, stained gray, fines 10% and slighlty plastic, <br /> dense, saturated. <br /> 3 5 <br /> Same as above, stained gray, less stain by 19 feet, color change to "^"^ <br /> 20 yellowish brown <br /> w" <br /> B-3-6 CL- Silty CLAY, brown 10YR514, low-mod. plasticity, stiff, damp; <br /> to 24' 0 6 contains sandy strata 2-4 inches at 23 feet that are saturated, then <br /> becomes clayey at 24 feet, damp. <br /> F"F <br /> 25 <br /> Bottom of Boring = 24 feet; <br /> continuously cored, thin separate <br /> phase product on water and <br /> coats rods, floating product at 13.8 feet <br /> Reviewed by RG/CEG <br />