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Wright Environmental Services, Tracy, CA Exploratory Boring Log <br /> Project No. 4111 Boring/Well No. PS-4 <br /> Client: Haley Date Drilled: June 19, 1996 Well Installed: No <br /> Location: 21000 Paradise Rd Tracy, CA Logger: CMP Total Depth: 15' <br /> Drilling Method: 3" OD GeoProbe Hydraulic Push Cement Grout Seal: treime 15' to surface <br /> Permit: CSJPHD 009344 <br /> Water Levels: 1st Enc: 10'? Static: 9.70' rising @ 11:40am <br /> Sample .2a Depth Borehole <br /> No. Han Push E { f t ? Lithology Log Completion <br /> rn <br /> Concrete and Subbase. <br /> ML-CL Clayey SILT to Silty CLAY, 10YR312 very dark grayish <br /> eas brown, low plasticity, fine sand to 10% disseminated, firm, <br /> PB-4.1 rootholes, damp. <br /> grab <br /> 5 <br /> eas <br /> PB-4-2 _ <br /> SM - Silty SAND, 10YR4/4 dark yelowish brown, fine sand 85%, <br /> eas 1 0 silt/clay 15%, .massive, loose,-very moist to saturated. Tr <br /> PB-4-3 CL - Silty CLAY 10YR4/3 dark:brown, law-med. plasticity, fine <br /> grab - sand 10% disseminated, firm stiff, damp. <br /> 15 <br /> Bottom of Borehole = 12 feet, <br /> push four foot continuous acetate liners <br /> Han-Hanby Field Qualitative Colormetric Field <br /> Test; field extractive test for presense of <br /> hydrocarbons in soil, in parts per million. <br /> Reviewed by RG/CEG <br />