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f r <br /> . Total depth of borings 26 ft Diameter of borings 8 in Date drilled, 6/7/90 <br /> Casing diameter, NIA _ Length@ N/A Slot slze, N/A <br /> Screen diameters N/A Lengths N/A _ Material types N/A <br /> Drilling Companys Wayne Drillsna Co Drillery Wade and Rick <br /> Method Usedo Hollow—stem Auaer Field Geologists G Altiman <br /> Signature of Registered Professional, <br /> Registration No.. 4313 Stater Calif <br /> SAMPLE uses DESCRIPTION WELL <br /> DEPTH NO. P.I.D. CODE CONST. <br /> as <br /> 0 Asphalt, gravel fill •• <br /> 2 . <br /> 4 ••,: : . <br /> S-6 20 ppm Iv1L silt, medium—grained, sligntly damp, slight plasticity, ery <br /> stiff • . <br /> 6 •• <br /> 8 - <br /> 10S-1159 Ppm dry, hard ••'•;'. : <br /> 12 <br /> 14 • <br /> S-16 52 ppm some clay, light brownish gray, slightly damp <br /> 16 ., • <br /> 18 :• '.:• <br /> wet (19-1/2 to 20 feet) •. <br /> 20 pS- 21 31 p5i1{, Pa!e Yellowish gray, damP. very stiff <br /> m • • <br /> •,' <br /> (section continues downward) ;. '•' <br /> LOG OF BORINGz B-3 PLATE <br /> ARCO Service Station No. 6100 A <br /> APpll•d G.oSy.t�r.e. 25775 South Patteson Pass �'9 <br /> PROJECT NO. 30041-1 Tracy, California <br />