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Field Exploratory Boring Log: Well S-1 <br /> OVM Blows/ Sample Well Depth Soil Group <br /> PPM 5" [Number Construction (ft) (USCS) Materials Description <br /> we"b�ux ffikk Asphalt&Base rock 0 to 0 5' <br /> 0 t fL <br /> Silt(ML) <br /> Brown to dark brown(IOYR 413),moist, 90% <br /> sill, 10% fine sand <br /> w <br /> o � <br /> � o <br /> a � <br /> c � <br /> (U rn 5 <br /> 00 14 S-1-65 v @ 5' as above,moist, very stiff <br /> 14 U N <br /> Bentonite <br /> 7108fi <br /> 11 @ 8 5' as above,moist,very stiff <br /> 14 <br /> 17 10 - <br /> 00 5-1-10 <br /> 8 - @ 13 5' as above,moist, very stiff <br /> 14 <br /> 00 12 S-1-15 15 <br /> 0 <br /> Q <br /> c+� <br /> 0 <br /> 0 <br /> 0 <br /> 2 — @ 18 5' as above,moist to wet, hard, 75% silt, 20% <br /> 50--6 o clay,5%fine sand <br /> 0 20- <br /> 00 <br /> D00 5-1-19 5 ii V <br /> Clay (CL) <br /> lu <br /> Olive gray(5Y 412),moist, hard, low-medium plasticity, <br /> M70%clay,20% silt, 10% fine sand, some rootlets noted <br /> 12 N <br /> 17 <br /> 00 20 S-1-25 25 <br /> 8 _ @ 28 5' as above,moist to wet, medium stiff <br /> 00 a S -1-30 3D Total depth of boring 30 feet <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 8 inches CAMBRIA <br /> Former Shell Service Station Logged by J Neely <br /> S-1 1257 Country Club Boulevard Driller Gregg Drilling 240-0943 <br /> Stockton, California Date Started 19-Feb-98 <br /> Date Completed 19-Feb-98 <br />