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Wright Environmental Services, Tracy, CA <br /> Exploratory Boring Log <br /> Project No 4889 Bonng/Well No B-3 <br /> Clint City of Tracy Date Drilled Feb 14, 2003 Well Installed No <br /> µ Location Waste Water Plant 3900 Holly, Tracy Logger CMP Total Depth <br /> Drilling Method W OD GeoProbe Cement Grout Seal 21 ' to Surface <br /> Permit PHS EHD#32663 <br /> Water Levels 1st Enc 14' Static 8 T GM 12 30 <br /> Sample Push a Depth <br /> No PID M (ft) Lithology Log Borehole <br /> Completion <br /> Gravel Pavement AAAA <br /> CL-CH- Silty CLAY, dark grayish brown 10YR4/2, mod-high AAAA <br /> plasticity, massive, stiff, damp A�A� <br /> la A <br /> A A <br /> A A <br /> 9' 0 5 AA^A <br /> Same as above, iron oxide mottles, stiff, damp ^ " <br /> AAA <br /> AA A <br /> A A <br /> AAA <br /> AAA <br /> A A <br /> A A <br /> - A A <br /> all 0 10 ML-Sandy SILT with clay, brown 10YR5/3, slightly plastic, silt 60%, �^ ^ <br /> sand 30%, clay 10%, massive, locally very sandy, firm, damp-moist <br /> A <br /> A A <br /> I <br /> I <br /> ^h^ <br /> nAA <br /> InA <br /> A^A <br /> A <br /> Ole 0 15 SC-SP - Clayey SAND to SAND, dark gray 10YR4/1, slighity plastic, AnA^ <br /> clay 10-30%, f sand 70-90%, clayey lenses at 15 feet, med dense, AAA^ <br /> saturated nA^n <br /> Pushes hard 17-19 5 �^ ^ <br /> AAA <br /> AAA <br /> �, 0 20 Same as above, f sand 90%, saturated, then sharp contact nAA <br /> AAA <br /> CL- Silty CLAY, yellowish brown 10YR5/6, low-mod plasticity, massive, ^h^ <br /> no sand, stiff, damp A <br /> Bottom of Boring =21 feet <br /> Reviewed by RG/CEG <br />