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r Luu OF EXPLORATORY BORING PROJECT NUMBER 939-02.06 BORING NO. G-2 PROJECT NAME S. J. County Landfill Development Site PAGE 7 OF 8 BY BAB DATE 7/01-02/87 SURFACE ELEV. 104.90 12 M%// W DESCRIPTION DY SILT, yellowish brown (10YR, 5/4); 20% very fine- to fine-grained sand; 10-15% medium- to coarse-grained sand; moderately clayey; occasional rust brown iron oxidation stains; easily crumbled; moist. Varies to Silty Sand with 10% light reddish brown (5YR, 5/3) clay. SM- SILTY SAND to SANDY SILT, strong brown ML (7.5YR, 4/6); 40-55% fines; predom- inantly very fine to fine grained; POCKET PENETRA- sand and fine gravel; much harder v LITHO - TORVANE PENETRO- TION 2 _ 1A GRAPHIC METER (TSF) (slows/ Ft.) 3 J W < COLUMN (TSF) v ® a 12 M%// W DESCRIPTION DY SILT, yellowish brown (10YR, 5/4); 20% very fine- to fine-grained sand; 10-15% medium- to coarse-grained sand; moderately clayey; occasional rust brown iron oxidation stains; easily crumbled; moist. Varies to Silty Sand with 10% light reddish brown (5YR, 5/3) clay. SM- SILTY SAND to SANDY SILT, strong brown ML (7.5YR, 4/6); 40-55% fines; predom- inantly very fine to fine grained; minor coarse- to very coarse-grained sand and fine gravel; much harder than above. CEMENTED SAND, coarse grained; trace SP::::: fine gravel; metamorphic composition, ..... with 35% subangular to subrounded :.... quartz; cemented agent unknown; REMARKS denotes static water level. Interval 120-130 feet cored (1-1/2 feet recovery). denotes core recovered.