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E <br />LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-02.06 BORING NO. G-2 <br />PROJECT NAME 'S. J . County Landfill Development Site PAGE 7 OF 8 <br />BY BAB DATE 7/01-02/87 SURFACE ELEV. 104.90 <br />POCKET <br />PENETRA- <br />U_ <br />Ln <br />LITHO - <br />TORVANE <br />PENETRO- <br />METER <br />TION <br />V) <br />z <br />w <br />Z <br />= <br />J <br />a <br />GRAPHIC <br />DESCRIPTION <br />(TSF) <br />(TSF) <br />(Blows/ <br />Ft.} <br />v 3 J <br />wa <br />(n <br />COLUMN <br />c <br />20 ML <br />SANDY SILT, yellowish brown (10YR, 5/4); <br />20% very fine- to fine-grained sand; <br />10-15% medium- to coarse-grained <br />sand; moderately clayey; occasional <br />rust brown iron oxidation stains; <br />easily crumbled; moist. <br />125 <br />Varies to Silty Sand with 10% light <br />reddish brown (5YR, 5/3) clay. <br />CL <br />CLAY. <br />130 <br />SM- <br />SILTY SAND to SANDY SILT, strong brown <br />ML <br />(7.5YR, 4/6); 40-55% fines; predom- <br />inantly very fine to fine grained; <br />minor coarse- to very coarse-grained <br />sand and fine gravel; much harder <br />than above. <br />CEMENTED SAND, coarse grained; trace <br />SP <br />fine gravel; metamorphic composition, <br />:::: <br />with 35% subangular to subrounded <br />quartz; cemented agent unknown; <br />1.40 <br />extremely hard. <br />REMARKS <br />denotes static water level. <br />Interval 120-130 feet cored (1-1/2 feet recovery). <br />1 denotes core recovered. <br />