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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 939-02.06 BORING NO. G-2 <br /> PROJECT NAME S.J. County Landfill Development Site PAGE 4 OF 8 <br /> BY BAB DATE 7/01-02/87 SURFACE ELEV. 104.90 <br /> POCKET PENETRA- W rn LITHO- <br /> TORVANE PENETRO- TION 2 J z W GRAPHIC <br /> METER W W a a DESCRIPTION <br /> (Blows/ c < W a COLUMN <br /> (TSF) (TSF) Ft.) 3 _j G h <br /> 60 ML/ SANDY SILT and SANDY CLAY, Interbedded <br /> CL (-1:1) (continued) ; <br /> Silt: strong brown (7.5YR, 4/6); 25% <br /> very fine- to fine-grained sand; <br /> minor interbeds light yellowish brown <br /> (10YR, 6/4) , medium-grained clayey <br /> sand; much harder than clay and <br /> clayey sand above. <br /> Clay: light brown (7.5YR, 6/4) to <br /> 65-Epinkish gray (7.5YR, 6/2) ; 10-20% <br /> medium- to predominantly coarse- <br /> grained quartzose sand; soft; moist. <br /> 70 @-70' : sand increases in silt and <br /> clay to 30-40%; very fine to fine <br /> grained. <br /> i <br /> 1 <br /> 75 <br /> SM SILTY SAND, strong brown (7.5YR, 4/6) ; <br /> 30-35% fines; very fine to fine <br /> grained trace medium; slightly <br /> 80 micaceous; very damp. <br /> REMARKS <br /> PLATE A-28 <br />