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Wright Environmental Services, Inc., CA Exploratory Boring Log <br /> Project No.4889 BORING NO. B-6(next to B-2) Drilling Method: GeoProbe 6600 Page 1 of 1 <br /> Logged by: CMP Date:October 28,2008 BOREHOLE COMPLETION: <br /> Client: City of Tracy Well Installed: No. <br /> Location: Wastewater Plant Total Depth: 25' <br /> 3900 Holly Dr.,Tracy,CA <br /> Permit: SJC EHD SR 55560 Cement Grout Seal:25'to surface <br /> Water Levels: 1st Enc: 12'@ 15:35 Static: 10'(9 15:55 <br /> as <br /> SamplePID Cont. E <br /> No. Push Depth Well Detail! <br /> Lithology Log Backfill <br /> f Road Gravel Fill, next to clarifier <br /> i� <br /> B-6 <br /> @ 5' CL-Sandy CLAY, brown 10Yr5/3, low plasticity clay 70%, f. sand 30%, <br /> 0 5 massive, stiff, damp. <br /> 44�L <br /> B-6 Same as above,firm to stiff,damp. <br /> 010, `• <br /> 0 ``' 10 <br /> B-6 SP-SAND,gray 10YR5/1,f.to crs. sand 95%, fines nonplastic 5%,massive, <br /> j med. dense, saturated. <br /> @ 15' 0 r <br /> 15 <br /> B-6 <br /> @ 20' 0 CL-Sandy CLAY, brown 10YR5/3, low plasticity clay 80%, sand 20%, massive, <br /> 20 stiff, damp to moist. <br /> SP-SAND, brown 10YR5/3,f.to crs. sand 95%, fines 5%, loose, medium <br /> dense, saturated. <br /> B-6 f <br /> @ 25' 0 - 25 CL-Sandy CLAY, brown 20YR5/3, low to med.plasticity,f. sand 15%, massive, <br /> stiff, damp. <br /> Bottom of Boring=25 feet <br /> Temporarily case borehole for water sample <br /> PID-reconnaissance vapor in ppm. <br /> IL I Reviewed by PG <br />