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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 939-02.06 BORING NO. P-3 <br /> PROJECT NAME San Joaquin County Landfill Development Site PAGE 2 OF 5 <br /> BY BAB DATE 6/01-02/87 SURFACE ELEV. 113.93' <br /> POCKET PENETRA- U N LITH O- <br /> TORVANE PENETRO- TION z _ _j GRAPHIC DESCRIPTION <br /> METER > a <br /> (Blows/ < w a COLUMN <br /> (TSF) (TSF) Ft.) / '' G N <br /> 20 CL CLAY, light yellowish brown (10YR, 6/4) ; <br /> 10-15% sand; occasional silt and <br /> clayey silt interbeds. <br /> 25 SANDY CLAY, brown (7.5YR, 5/4) ; 20% <br /> medium- to coarse-grained sand; <br /> slightly silty; much softer than <br /> above; moist. <br /> @-26-29' : <br /> CLAY to SANDY CLAY, brown (7 .5YR, 5/4) ; <br /> 15-25% sand; very hard; slightly <br /> damp. <br /> 30 SILTY CLAY, strong brown (7.5YR, 4/6) ; <br /> occasional iron stains and trace <br /> black laminations. <br /> SM SILTY SAND, yellowish brown (10YR, 5/8) ; <br /> 35-40% fines; predominantly fine to <br /> 35 medium grained; quartzose with 15% <br /> fine mica flakes and 5% other mafic <br /> grains; 10% interbeds vary to sandy <br /> silt and clayey silt; trace iron <br /> stains . <br /> CLAY, reddish brown (5YR, 5/4 to 5YR, <br /> CL 4/4) ; 10-15% fine- to predominantly <br /> 40 medium-, to trace coarse-grained sand. <br /> REMARKS <br />