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d <br /> Z <br /> ' Wright Environmental Services, Tracy, CA Exploratory Boring Log <br /> Project No. 4111 Boring/Well No. PB-3 <br /> Client: Haley Date Drilled: June 19, 1996 Well'lnstalled: 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: 12'? Static: 6.59' @ 11:40am <br /> Sample a Depth Borehole <br /> No. Han Push (Z ( f t } Lithology Log Completion <br /> Concrete and Subbase. <br /> a h• <br /> CL - Silty CLAY, 10YR312 very dark gray brown, sand <10% <br /> eas and disseminated, med. plasticity,. soft. <br /> PB-3-1 _ <br /> grab <br /> 5 <br /> easy <br /> faintlylaminated, firm, damp <br /> PB-3-2 ND slight discoloration and weak odor at 8 feet. <br /> PB 3 31 Q4 eas 1 0 <br /> grab CL-SC - Sandy CLAY to Clayey SAND, stained gray, weak odor, <br /> sand <30%, low plasticity, SC interbedded locally with CL, very <br /> moist, soft; dark gray stain at 10 feet. <br /> eas <br /> PB-3-4 <br /> grab - 1 5 same as above, no stains 12-15 feet, saturated. <br /> Bottom of Borehole = 15 feet, <br /> push four foot continuous acetate liners. <br /> Water enters borehole slowly. <br /> Han-Hanby Field Qualitative Colormetric Field <br /> Test; field extractive test for presense of <br /> hydrocarbons in soil, in parts per million. <br /> f <br /> I <br /> Reviewed by RG/CEG <br />