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CONDOR EARTH <br /> TECHNOLOGIES, 1k. G E O L O CSI C L O G <br /> PROJECT NO.: 5960B DATE: 5/5/11 TD: 30' <br /> GP4 SURF. COND.: Concrete ELEV: ELEV. REF.: <br /> coNooR LOGGED BY: B. Cook WELL CONSTRUCTION SPECS <br /> PROJECT: Records Center DRILL EQUIP.: Geoprobe 6600 TOTAL CASING DEPTH: <br /> FLUSH: STICKUP: <br /> CLIENT: San Joaquin County HAMMER WT./FALL: N/A CASING DIA.: _ TYPE: <br /> LOCATION: 630N.California,Stockton,CA N/A SLOT SZ.: SAND SZ.: <br /> HAMMER TYPE: SCREEN INT.: <br /> DRILLER: Fisch Drilling GW DEPTH: dry SAND INT.: <br /> C-57 NO.: 683865 HOLE DIA.: 2" BENT. INT.: <br /> GROUT INT.: <br /> } <br /> aF a0 0Z > " a0 v WELL <br /> Lu 2 Z � D O z IL w SOIL DESCRIPTION REMARKS CONSTRUCTION <br /> ai m w CO 7 DIAGRAM <br /> SM 0-0.4'CONCRETE PID Readings <br /> 0.4'-8'SILTY SAND,dark brown,medium <br /> dense,slightly moist,60%fine sand,30%silt, <br /> 10%fine gravel <br /> 0ppm@4' <br /> 5 <br /> 6'-16'Staining and odor <br /> CL 8'-22'LEAN CLAY,orangish brown,stiff, 0 ppm @ 8' <br /> slightly moist, 100%clay,rolls easily to 1/8",no <br /> 10 dilatancy <br /> GP4.12 280 ppm @ 12' <br /> 15 <br /> 10 ppm @ 15' <br /> 18'Rolls easily to 1/4" 2.2 ppm @ 18' <br /> 20 <br /> GP4-21 3.6 ppm @ 21' <br /> SM adational contact with <br /> 22'-27'SILTY SAND,yellowish brown,dense, <br /> slightly moist,60%fine sand,40%silt <br /> 25 0 ppm @ 24' <br /> 27'-29'SILTY SAND,dark gray,dense,moist, 95 ppm @ 27' <br /> 70%medium sand,30%silt,odorous and stained <br /> CL 29'-30'LEAN CLAY,gray,stiff, slightly moist, <br /> 30 GP4-30 100%clay <br /> 85 ppm @ 30' <br /> Boring terminated at 30' <br /> NOTES: Boring backfilled with tremmied neat cement and observed by Lori Duncan of SJCEHD. <br /> PG. 1 OF 1 <br />