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ENGINEERING-SCIENCE, INC--- -- ------- --- ---- Sheet L—o - - _---�- -� <br /> BORING NUMBER: SB6 <br /> PROJECT NUMBER 725386 08969 PROJECT NAME Supplemental Site Assessment <br /> t CLIENT Greyhound Lines,Inc DRILLER Spectrum Exploration,Inc <br /> LOCATION- Stockton,California DRILLING METHOD: Hollow-stem Auger,CME 55 <br /> Terminal#8969 18"Split-Spoon Sampler(2 5" OD) <br /> I GEOLOGIST: H Pietro aoli HOLE DIAMETER 6 5 inches <br /> COMPLETION DATE- 8/30194 TOTAL DEPTH 47 feet below ground surface <br /> z <br /> Ce <br /> p�go a T <br /> 0W Q 44E GEOLOGIC DESCRIPTION <br /> y z <br /> to N <br /> 8" Concrete <br /> FILL medium-grain silty sand brown <br /> -----------------drilling reaction -------------------------------------- <br /> 5 ° <br /> 3 SILTY CLAY(CL),gray,stiff,damp, <br /> i 2!3 SB6-5 0 0 slightly plastic <br /> 4 10 CLAYEY SILT(ML),gray damp moderately staff <br /> 2513 SB6-10 9 0 slightly plastic <br /> 15 <br /> 9�i <br /> S 15 CLAYEY SILT(ML),light brown damp,slightly plastic <br /> 3/3 SB6-15 18 0 white patches(1B"-114") moderately stiff <br /> 20 <br /> i <br /> NR SB6-20 3 11 20 As above <br /> 8 <br /> drilling reaGion <br /> i --------------- ------------------------------_--_----_ <br /> 6 25 CLAYEY SAND(SC) fine grain green-brown, <br /> 3!3 SB6-25 11 0 moderately well sorted slightly plastic,damp,loose <br /> 17 <br /> 313 S136-30 y 0 30 SAND(SW) fine to medium grain,green-brown, <br /> 14 well-sorted loose damp <br /> >b - Non-standard blow count, sampler 2 5 inch OD Brass tube sample submitted for laboratory analysis <br /> - Fust encountered groundwater <br /> - Contact approximately located NR - Not Recorded tit <br />