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13oring Log HC-4 <br /> Location:Lat:47.91272976 Long:-122.2741071 Drill Equipment:Mobile B-59/Mud Rotary <br /> Approximate Ground Surface Elevation:570 Feet Hammer Type:SPT w/140 Ib.Automatic hammer <br /> Horizontal Datum:WGS84 Hole Diameter:5 inches <br /> Vertical Datum:NGVD 29 Logged By: N.Campbell Reviewed By:A.Wade <br /> STANDARD LAB <br /> USCS Graphic Depth PENETRATION RESISTANCE TESTS <br /> Class Log Soil Descriptions in Feet Sample A Blows per Foot <br /> 0 0 10 20 30 40 50+ <br /> SM Asphalt Concrete(2I ch_es_thick)_____ <br /> Dense,moist to wet,gray-brown,gravelly, <br /> silty fine to coarse SAND with fine to coarse <br /> gravel,trace organics,silt lenses. <br /> 5 tt <br /> S-1 18 • G <br /> 14 s <br /> 33 <br /> SM Very dense,moist,gray,silty fine to coarse 10 S-2 50/3" <br /> SAND with fine to coarse gravel. (TILL) <br /> 15 S-3 46 GS <br /> 50/2° <br /> 20 40 <br /> S-4 50/5^ <br /> 25 S-5 50/6" <br /> 30 <br /> S-6 39 <br /> 50/5" <br /> m <br /> N <br /> N <br /> O <br /> a <br /> O <br /> 35 <br /> S-7 50/3" <br /> U <br /> 2 <br /> o. <br /> c7 <br /> J <br /> m <br /> 0 <br /> N <br /> O <br /> _m 40 S-8 50/3" <br /> O <br /> O <br /> 0 <br /> Z <br /> O <br /> m <br /> Z 145 0 20 40 60 80 100+ <br /> • Water Content in Percent <br /> tN <br /> l <br /> AN rn <br /> 1.Refer to Figure A-1 for explanation of descriptions and symbols. ? _"OwsY' <br /> 2.Soil descriptions and stratum lines are interpretive and actual changes may be gradual. <br /> 3.USCS designations are based on visual manual classification(ASTM D 2488)unless otherwise 19106-01 5115 <br /> supported by laboratory testing(ASTM D 2487). Figure A-5 1/3 <br /> 4.Groundwater level,if indicated,is at time of drilling(ATD)or for date specified. Level may vary 9 <br /> with time. <br />