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Wright Environmental Services, Inc., Tracy, CA Exploratory Boring Log <br /> Project No 4090 Boring/Well No PB-19 Well installed No <br /> orient Cox and Cox Date Drilled Apr 24, 2001 Total Depth 26' <br /> cation 595 E 11th, Tracy, CA Logger CMP Cement Grout Seal 26' to surface <br /> Drilling Method 3" OD GeoProbe seal set by tremae line filled from <br /> Permit. PHS EHD 0025693 bottom to top of borehole <br /> Water Levels 1 st Eric 11' 0 08 50 Static NM <br /> Sample Cont a Depth Borehole <br /> No PID Push 0 (ft) Lrthology Log Completion <br /> en <br /> Road Base "."• <br /> �e-ss 0 CL - Sandy CLAY, brown to gray brown, !ow plasticity, <br /> ' f crs sand 30%, crudely bedded, rare fine gravel, stiff, damp <br /> 5 <br /> 'B-a <br /> 26 Same as above, rootholes, iron oxide mottles, sand inc to 45%, "'•' <br /> z <br /> stiff, damp to moist " <br /> "•A+ <br /> A•A• <br /> h•A• <br /> PB-S9 476 10 SP-SW - SAND, stained gray, f crs sand 90%, massive, local <br /> 3 <br /> gravel lenses, med dense, saturated below 11 feet <br /> ASA <br /> Aa A <br /> Drills as SP-SW to 16' indications of flowing <br /> 15 <br /> a ,s 0 SP - SAND, brown, fine sand 95%, fines 5% nonplastic, massive, <br /> no stain, med dense saturated <br /> +A• <br /> 20 Same as above, f sand, massive, saturated <br /> ore-�s <br /> s 3 0 <br /> CL - Silty CLAY, yellowish brown, sharp contact with overlying, <br /> low plasticity, v f sand <10%, massive, iron oxide mottles, <br /> farm, damp <br /> s �g 0 7 r <br /> 25 Same as above, inc sand to 30-40%, and occurs as interbeds, <br /> firm-stiff, damp <br /> Bottom of Boring = 26 feet <br /> Reconnaissance groundwater sample <br /> interval 26 to 22 feet <br /> Reviewed by RGICEG <br />