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Wright Environmental Services, Tracy, CA Exploratory Baring Log <br /> Project No,4889 BoringlWeil No. B-1 Well Installed:No <br /> Client:City of Tracy Date Drilled:Feb. 14,2003 Total Depth: <br /> Location Waste Water Plant 3900 Holly,Tracy Logger:CMP Gement Grout Seal:18.5'to Surface <br /> Drilling Method:Y OD GeoProbe <br /> Permit:FHS EHD#32663 <br /> Water Levels: 1st Enc: 13,5'Static: 11.9'@ 10:10 <br /> Sample Push o Depth <br /> No. PID (ft) Litholo Lo Borehole <br /> 9Y g Completion <br /> Hand Augered to 5 foot. <br /> CL-Silty CLAY,brown 10YR4)3,low plasticity,no sand,stiff,damp. <br /> A"w <br /> 0 Same as above,stiff,damp, <br /> b' <br /> 3 Same as above,crudely bedded,very stiff,damp. <br /> M-2 <br /> six 0 10 <br /> Same as above,crudely bedded,very stiff,damp,increasing <br /> moisture 12-14 Teel,becomes saturated at 13.5 teat, <br /> B--.3 <br /> air 0 <br /> 15 SAND,brown 10YM3,nonplastic fines<10%,f.sand 90%,contains <br /> very thin clayey Interbeds,saturated. Pushes hard to 17 feet <br /> 0,88,6 0 <br /> CL-Silly CLAY,brawn 10YR413,low plasticity,i.sand 55,massive <br /> to faintly bedded,ve stiff,damp, driller calls push refusal at 18.5 feel. <br /> 2D <br /> Bottom of Boring= 18.5 feet, <br /> continuously mod at downgradient <br /> location from former UST location. <br /> Reviewed by RGICEG <br />