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Wright Environmental Services, V-., Tracy, CA <br /> Project No. 4529 Boring/Well No. B-�"� %fte Exploratory Boring Log <br /> Client: City of Tracy Date Drilled: Feb. 10, 2003 Well Installed: 'No <br /> Location: 560 Tracy Blvd., Tracy, CA Logger. CMP Tota! Depth:21 <br /> Cement Grout Seal: 21 'to surface <br /> Drilling Method. 3" OD GeoProbsurface <br /> Permit: PHS EHD 32664 <br /> Water Levels: 1st Enc: 12'±Static: 13.8 @ 10:10 <br /> �1r <br /> Sample Blow °i Depth <br /> No. PID Count (ft) I_ithoiogy Log Borehole <br /> Completion <br /> (ppm) Concrete pavement <br /> A <br /> A " <br /> A <br /> CL- Silty CLAY, brown 10YR5/3, low plasticity, f, sand <55, silt 30%, <br /> massive, firm, damp. <br /> %%. <br /> 66 <br /> " <br /> 6-1-1 <br /> 6' 0 puse 5 Same as above, firm, damp. <br /> oil. 0 pus 10 CL-Sandy CLAY, brown 10YR5/3, !ow plasticity, f. sand 20% dissem., <br /> massive, stiff, damp; contains very moist sandy lenses at 10.5 feet. <br /> ."A <br /> A A <br /> i <br /> Driller calls than a at 13-14 feet. <br /> GIB 0 pus 15 SP-SAND, yellowish brown 10YR5/4, fines nonplastic and <5%, <br /> f. sand 85%, massive, few ill-defined laminae, med. dense, saturated. <br /> Same as above, loose to med. dense, saturated, then sharp contact L___ <br /> 0 pus 20 <br /> L <br /> CL- Silty CLAY, yellowish brown 10YR5/4, low plasticity, f. sand <5%, <br /> massive, firm, damp. <br /> Bottom of Boring =21 feet. <br /> Reviewed by RG/CEG <br />