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Lu"G OF EXPLORATORY <br /> PROJECT NUMBER 939-02.06 BORING NO. .P-1 <br /> PROJECT NAME S.J. County Landfill Development Site PAGE 1 OF 3 <br /> BY BAB DATE 6/06-07/87 SURFACE ELEV. 111.02 . <br /> POCKET PENETRA- N LITHO- <br /> 0TORVANE PENETRO- TION KJ GRAPHIC DESCRIPTION <br /> METER o-W- > a <br /> (TSF) (TSF) (BFt.)s/ J o N COLUMN <br /> CL SANDY CLAY, yellowish red (5YR, 4/6) ; <br /> 40% fine- to coarse-grained sand; <br /> damp. <br /> ML <br /> SILT, very pale brown (10YR, 7/4) ; 5% <br /> fine- to coarse-grained sand; slight- <br /> 50/6" 5-A SM ly clayey; dry. <br /> SILTY SAND, yellowish brown (10YR, 5/8) ; <br /> 20% fines; fine to predominantly <br /> CL medium; trace coarse grained; 90-95% <br /> quartz; occasional deep orangish red <br /> oxidation stains; very dense; damp. <br /> CL- CLAY, brown (10YR, 5/3) ; moderately <br /> SC plastic; moist. <br /> 10 - SANDY CLAY to CLAYEY SAND, light brown- <br /> ish gray (10YR, 6/2) ; 40-60% fines; <br /> 26 very fine to fine grained; micaceous; <br /> occasional iron stains and plant <br /> remains/roots; trace crystalline <br /> gypsum; no bedding features ; loose to <br /> medium dense; moist to wet. <br /> CL CLAY, brown (7.5YR, 5/2) ; slightly <br /> silty; moderate plasticity; trace <br /> 19 15 iron stains; common black coatings; <br /> no bedding features ; very stiff to <br /> stiff; very damp. <br /> SC CLAYEY SAND, yellowish red (5YR, 4/6) ; <br /> 15-25% fines; fine to predominantly <br /> coarse grained; 95(+)% quartz; 1% <br /> micas ; subrounded to rounded grain <br /> 20 shape; moist. <br /> REMARKS <br /> Drilled with hollow-stem auger drilling equipment to a total depth of <br /> 50.5 feet. Sampling was performed by driving a 2-1/2-inch ID split-spoon <br /> sampler. Boring was converted to a 2-inch-diameter permeameter <br /> (see Plate ) . <br />