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Field Exploratory Boring Log: Well S-2 <br /> OVM Blows/ Sample Well Depth Soil Group <br /> PPM*LL6" Number Construction (ft) (USCS)G Materials Description <br /> wenixiAsphalt&Base rock 0 to 0 5' <br /> o t i -r <br /> Clayey Sand(SC) <br /> Olive brown(2 5Y 4/4),moist, 55% fine sand, <br /> 25%clay, 20% silt <br /> r � <br /> 00 <br /> o a <br /> v� o <br /> o � <br /> t� 5 <br /> 12 S-2-65 v @ 5' as above, moist, very stiff <br /> 10 <br /> Bentonite <br /> 7to8ft <br /> Silty Sand (SM) <br /> 7 Dark olive brown (2 5Y 3/3),moist,medium dense, 70% <br /> 10 fine sand,30% silt <br /> 15 _ 10 <br /> 0 0 5-2-10 <br /> Clay(CL) <br /> 15 — Olive brown (5Y 4/4),moist,hard,low plasticity, 55%clay, <br /> 17 <br /> 00 32 S-2-15 15 2017b silt,25% fine sand <br /> 0 <br /> 4 <br /> M <br /> o I <br /> O <br /> O i <br /> 10 — @ 18 5' as above, olive brown (5Y 4/4),moist, hard, <br /> 30 Q 551/c clay,40% silt,5% fine sand <br /> o a <br /> 20- <br /> 00 <br /> 0- <br /> 00 S-2-20 off. <br /> v <br /> � U <br /> O � <br /> N Silt(ML) <br /> 125 — Olive gray(5Y 4/2), moist, hard, 55%silt, 35%clay, 10% <br /> 192 30 S-2-2525 fine sand <br /> — <br /> 12 @ 28 5' as above, wet, hard <br /> 14 <br /> 342 22 S-2-30 I F I F 30Total depth of boring 30 feet <br /> BORING SHELL OIL PRODUCTS COMPANY Borehole Diameter 8 inches <br /> Former Shell Service Station Logged by 7 Neely CAMBRIA <br /> S-2 1267 Country Club Boulevard Dnller Gregg Drilling 240-0943 <br /> Stockton, California Date Started 19-Feb-98 <br /> Date Completed 19-Feb-98 <br />