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' TETRA TECH BORING LOG <br /> BORING I.0 NO. B-6 Page 1 of f <br /> CLIENT DSA T C 0100-01 LOCATION STOCKTON DEV CTR DATE 02/06/95 <br />' DRILL METHOD H0110W Stem Auger AUGER DIAMETER 8 Inche5 FIELD GEOLOGIST PHIL SKORGE <br /> CL °��' o o n m a-i cn GEOLOGIC DESCRIPTION <br />' o" m U Ln cr <br /> LF) <br /> CL GRASS LAWN <br /> S <br /> 20 CLAY. - VERY DARK BROWN (10YR2/2) HIGH PLASTICITY FIRM MOIST <br /> --- 5M <br />' <br /> 10 20 - SILTY SAND. - DARK BROWN (7 5YR3/3) 40% NON PLASTIC FINES MOIST <br /> BUNKER FUEL ODOR <br /> --- <br /> -— ML <br /> 15 220 -- CI AYFY SILT. - DARK BROWN LOW PLASTICITY MOIST NO ODOR <br /> 20 50 -- <br /> TD @ 215 TERMINATED BORING NO GROUND WATER ENCOUNTERED 100% <br /> SAMPLE RECOVERY BACKFILLED WITH CEMENT SLURRY <br />' 25 <br />' 30 <br /> 1 � <br /> 35 <br /> 1 <br /> 40 <br /> REVIEWING GEOLOGIST Steve Brady SIGNATURE REG NO 6031 <br />