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TETRA TECH BORING LOG <br /> BORING I.D. NO. B-8 Page 1 of 1 <br /> CLIENT OSA T C 0100-01 LOCATION STOCKTON DEV CTR DATE 02/06/95 <br /> DRILL METHOD _ Hollow Stem Auger AUGER DIAMETER 8 ruches FIELD GEOLOGIST PHIL SKORGE <br /> z= ~ i x u) <br /> O z a n a L' GEOLOGIC DESCRIPTION <br />' oY m� o n a cn <br /> u� crj v <br /> ML GRASS LAWN <br /> 5 60 -- SILTY CLAY - DARK BROWN (7 5YR3/3) HIGH PLASTICITY FIRM MOIST <br /> -- ----------------------------------------------------------- <br /> • sw <br />' 10 70 SAND. - DARK BROWN POORLY SORTED FINE SAND DENSE MOIST <br /> i ---------------------------------------------------------- <br /> SM <br /> 15 1150 -- SILTY SAND. - VERY DARK GREY (IOYR3/1) 20% FINES FINE SAND WITH <br /> -_ BUNKER FUEL ODOR <br /> 1 ---------_--------------------------------------------------- <br /> -- ML <br /> 20 90 - SANDY SILT. - DARK BROWN (7 5YR3/3) NON-PLASTIC FINES 25% FINE <br />' -- SAND, STIFF MOIST <br /> TD @ 215 TERMINATED BORING NO GROUNDWATER ENCOUNTERED ICC% <br /> SAMPLE RECOVERY BACKFILLED WITH CEMENT SLURRY <br /> 25 <br /> ' 30 - <br /> 35 - <br /> 40-6 <br /> 03540 <br /> REVIEWING GEOLOGIST Steve Brady SIGNATURE REG NO 6031 <br />