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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 939-02.06 BORING NO. P-2 <br /> PROJECT NAME San Joaquin Landfill Development Site PAGE 2 OF 3 <br /> BY BAB DATE 6/05-06/87 SURFACE ELEV. 107.72 <br /> POCKET PENETRA- U N LITHO- <br /> U)TORVANE PENETRO- TION i� z Uj GRAPHIC DESCRIPTION <br /> METER � > a <br /> (TSF) (TSF) <br /> (Blows/ <br /> _j c N COLUMN <br /> 20 ML SANDY SILT (continued) . <br /> I Al <br /> CL SILTY CLAY, strong brown (7.5YR, 4/6) ; <br /> slightly silty; 10% fine- to medium- <br /> grained sand; soft; damp. <br /> 25 <br /> 65 SM SILTY SAND, light brown (7.5YR, 6/4);. - <br /> 30% fines; fine to predominantly <br /> medium grained to minor coarse <br /> grained; 95(+)% quartz; slightly <br /> damp. <br /> ML . SILT, brown (10YR, 5/3); 10% very fine- <br /> to fine-grained sand; very minor <br /> 73/9" <br /> 30 orange iron stains; damp. <br /> SP ::: . . SAND, very pale brown (10YR, 7/3); very <br /> :... fine to coarse; quartzose with 10-15% <br /> 35 mafics; micaceous; subangular to sub- <br /> , rounded grains; dense( ?) ; damp. <br /> 68 <br /> @35' : brownish yellow (10YR, 6/6) ; <br /> trace increase in fines. <br /> SILT, grayish brown (10YR, 5/2) ; sparse <br /> iron staining; dense ( ?); hard; <br /> 40 1 1 slightly damp. <br /> REMARKS <br /> Blow count information based on a 300-pound hammer falling 30 inches +/- <br /> with a 2-1/2-inch inside diameter sampler. Correction is necessary in <br /> order. To correlate the blow counts with standard penetration test data. <br /> PLATE A-6 <br />