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ENGINEERING-SCIENCE, INC. - - Sbeet-l- of-2= -- - —- <br /> BORING NUMBER: SB5 <br /> PROJECT NUMBER: 725386 08969 PROTECT NAME Supplemental Site Assessment <br /> a CLIENT Greyhound Lines,Inc DRILLER: Spectrum Exploration,Inc <br /> OCATION Stockton,Califomia DRILLING METHOD Hollow-stem Auger,CME 55 <br /> Terminal#8969 18"Split-Spoon Sampler(2 5"OD) <br /> u�y GEOLOGIST H Pietro volt HOLE DIAMETER- 6 5 inches <br /> COMPLETION DATE: 8/30/94 TOTAL DEP'T'H 46 5 feet below ground surface <br /> F <br /> Z <br /> z.m p „ ., <br /> 0* W GEOLOGIC DESCRIPTION <br /> � o �z 3 A �~ <br /> y� <br /> ` 8" Concrete <br /> t FILL medium grain sand,brown <br /> i <br /> ----------------drilling reaction ------------------------------------------- <br /> 213 SB5-5 3 0 5 CLAYEY SILT(ML),light brown dry to damp, <br /> y 13 1%coarse sand grams,slightly plastic,moderately stiff <br /> 10 As above " <br /> 213 5B5-10 11 0 <br /> 20 <br /> U <br /> 2/3 SB5-15 15 0 15 As above <br /> 20 <br /> f ------------------------------------------------------------------------ <br /> t 3 '-0 SILTY CLAY(CL) fight brown plastic to <br /> 213 SB5-20 6 0 3 slightly plastic moderately stiff to soft,damp <br /> F 10 <br /> PIR SB5-25 9 35 p Asabove <br /> 14 <br /> yt <br /> E <br /> ------------------------------------------------gra-------ray---------- ----3/3 SB5-30 7 02 30 CLAYEY SAND TO SILT(SC-ML),fine- m,g , <br /> 10 slightly plastic damp loose <br /> ik Non-standard blow count sampler 2 5 inch OD 1 Brass tube sample submitted for laboratory analysis <br /> i - First encountered groundwater <br /> _� - Contact approximately looted NR - Not Recorded as i <br />