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ENGINEERING-SCIENCE, INC — Sheet 1-of-2 <br /> BORING NUMBER: SB4 <br /> i <br /> PROJECT NUMBER 725386 08969 PROJECT NAME Supplemental Site Assessment <br /> CLIENT: Gre hound Lines,Inc DRILLER Spectrum Exploration,Inc <br /> I <br /> OCATION Stockton,California DRILLING METHOD Hollow-stem Auger,CME 55 <br /> Terminal#8969 I8"Split-Spoon Sampler(2 5"OD) <br /> a� GEOLOGIST- H Pietroaoli HOLE DIAMETER. 6 5 inches <br /> 1 <br /> COMPLETION DATE. 8/30/94 TOTAL DEPTH 47 5 feet below ground surface <br /> z <br /> * `J GEOLOGIC DESCRIPTION <br /> " 3 � 16 <br /> � <br /> � g < <br /> N <br /> t 8" Concrete <br /> FILL.medium-grain sand brown <br /> 1 CLAY(CL) dark brown stiff to moderately stiff <br /> damp plastic <br /> 5 <br /> 113 SB4-5 3 08 <br /> 5 <br /> 5 10 CLAYEY SILT(ML),light brown slightly plastic, <br /> 3/3 SB4-30 11 0 2 damp stiff to moderately stiff <br /> 14 <br /> I <br /> f <br /> t 2.5/3 SB4-15 9 04 15 As above <br /> 10 <br /> 3/3 SB4-20 10 02 20 As above <br /> S li <br /> ------------------------------------_--- -------- <br /> -�- -"- <br /> 5 25 SILTY CLAY(CL),light yellow-brown moderately stiff to <br /> 213 SB4-25 9 0 soft,plastic,damp <br /> 11 <br /> 2/3 SB4-30 4 0 30 As above <br /> >x - Non-standard blow count sampler 2 5 inch OD ' <br /> Brass tube sample submitted for laboratory analysis <br /> - First encountered groundwater <br /> Contact approximately located NR Not Recorded a4-1 <br />