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Wright Environmental Services, Tracy, CA Exploratory Boring Log <br /> Project No.4889 BoringiWoll No. B-3 Well installed:No <br /> Client:City of Tracy Date Drilled: Feb. 14,2003 Total Depth: <br /> Location:Waste Water Plant 3300 Holly,Tracy Logger:CMP Cement Grout Seal:21 'to Surface <br /> Drilling Method:3'OD GeoProba <br /> Permit:PAS EHD#32663 <br /> Water Levels: 1st Eno: 14' Static:8.7'@ 12:30 <br /> Sample Push n Depth Borchelt? <br /> No, PID � (ft) Lithology Lag Completion <br /> Gravel Pavement <br /> CL-CH-Silty CLAY,dark graalsh brown 10YR412,mod.-high <br /> plasticity,massive,stiff,damp. <br /> ro <br /> C <br /> tC <br /> ps' 4 S Some as above,iron oxide mottles,stiff,damp. <br /> A..'A <br /> AAAA <br /> A AwA <br /> A w <br /> 0 10 ML-Sandy SILTwith clay,brown 10YR513,slightly plastic,sill 60%, w�^ <br /> sand 30%,clay 10%,massive,focally very sandy,firm,damp-moist, <br /> AwA <br /> -30 U — <br /> 15 SC-SP-Clayey SAND to SAND,dark gray I OYR4/1,slightly plastic, <br /> clay 10-30%,f.sand 70-900/4,clayey lenses at 15 feet,med.dense, <br /> saturated, <br /> Pushes hare!17-19.5. <br /> M-4Same as above,f.sand 90416,saturated,then sharp contact. <br /> 021• 0 20 <br /> CL-Silly CLAY,yellowish Brown i QYR5/6,low-mod.plasticity,massive, <br /> no sand,stiff,damp. <br /> Bottom of Boring=21 feet <br /> I <br /> Reviewed by RG/CEG <br />