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Key to Log of Borings <br /> z <br /> o `o o In-Place <br /> m a 5 0 (`D Moisture Dry <br /> oE ;LL °' SOIL DESCRIPTION ui _ I%dry Density <br /> N 2 m a Zi o weight) (pcf) <br /> 0 <br /> Shelby Sampler <br /> Thin walled, 3 in. diameter, <br /> 3 ft. long, hydraulically advanced Groundwater V <br /> after drilling <br /> Modified California sampler <br /> (3 in.O.D. split-barrel sampler <br /> with brass liners)driven by a <br /> 1401b. hammer with a drop of 30 in. Groundwater <br /> 5 encountered <br /> Bulk sample during drilling <br /> Loose soil removed for testing <br /> Seepage Q <br /> Standard Penetration test (SPT) sampler S <br /> (2 in.O.D.split-barrel sampler) <br /> driven by a 1401b. hammer with <br /> a drop of 30 in. <br /> 10 <br /> California Sampler <br /> (2.5 in. O.D. split-barrel sampler <br /> with brass liners)driven by a 140 lb. <br /> hammer with a drop of 30 in. <br /> Shaded area denotes sample taken <br /> Hand Sampler (2.5 inch O.D. driven by hand) <br /> 15 <br /> Continuous Core Sampler <br /> 94 mm Christianson Sampler <br /> 47 Approximate blows per foot. <br /> 20 Solid line denotes soil or lithologic change <br /> Dashed line denotes gradational or approximate soil or <br /> lithologic change <br /> Heavy line denotes termination of boring <br /> NSR =No sample recovered <br /> D.S. = Disturbed sample <br /> 25 <br /> (!, Earth Systems Consultants PombolChevron KEY TO LOG OF BORINGS <br /> —) Northam OalHomin Tracy,California Figure A3 <br />