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'� - -------- ----- ---- - --- --- ENGINEERING-SCIENCE, INC- LL — - — - - — ---Sheet 1-of-2- ---- - <br /> BORING NUMBER: SBI <br /> PROJECT NUMBER 725386 08969 PROJECT NAME Supplemental Site Assessment <br /> CLIENT: Grevltound Lines,Inc DRILLER Spectrum Exploration,Inc <br /> CATION- Stockton,Callfomla DRILLING METHOD: Hollow-stem Auger,CME 55 <br /> Terminal#8969 18"Split-Spoon Sampler(2 5"OD) <br /> GEOLOGIST H Pietro aoli HOLE DIAMETER 6 5 inches <br /> COMPLETION DATE 829/94 TOTAL DEPTH 46 5 feet below ground surface <br /> *F c <br /> uu <br /> a',•� 0. E– <br /> Q= 3 a c GEOLOGIC DESCRIPTION <br /> ON <br /> d <br /> t>0 � <br /> 5" Asphalt <br />( 2.3/3 SBI-5 14 1 1 5 CLAYEY SILT(ML) light brown slightly plastic, <br /> 18 <br /> 22 moderately stiff dry <br /> 2.5/3 SB1-10 9 0 10 As above <br /> 12 <br /> i <br /> NR SBI-15 12 0 15 As above damp caliche <br /> 15 <br /> 23 <br /> I� <br /> 213 SB1-20 4 08 20 As above moderately stiff to soft <br /> 8 <br /> 12 <br /> -----------------drilling reaction ------------------------------------------ <br /> NR SBI-25 7 6 4 25 SAND(SC) slightly clayey,light brown fine-grain <br /> 14 moderdtcly well sorted loose damp <br /> 17 <br /> i <br /> ----------------drilling reaction ----__-------------— <br /> 313 SBI-30 405 30 CLAY(CL-CMminorsilt gray-blue soft plastic <br /> 7 damp to moist <br /> 8 <br /> # Non-standard blow count sampler 25 inch OD , Brass tube sample submitted for laboratory analysis. <br /> First encountered groundwater <br /> Contact approximately located NR Not Recorded sit <br />