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Drilling Log <br /> GROUNDWATER Monitoring Well MW-5 <br /> r <br /> Ti~CHNOLOGY <br /> 1 <br /> Chevron U.S.A. Products CD <br /> Chevron - Stpcktofl Owner <br /> �S`0�/�3 <br /> r Project A 02070' 3865 Date drilled <br /> Location 32�5.: _as. Fremont Street Protect No. <br /> °0'v Description <br /> w.� DE a� <br /> a a au m m� cn (Color, Texture, Structure) <br /> 0" c M o� co N Trace < 10%, Little t0% to 20%. Some 20X to 35%, And 35X to 50X <br /> � cn�x � <br /> ' 56 Brown silty SLAY (continued) <br /> Mw5-60 (Grades olive gray) <br /> 12 <br /> 60 p 20 SC Diive gray clayey SAND (70% fine to medium sand, 30% clay) <br /> 26 <br /> Olive gray silty CLAY (BO% clay. 20% silt, slightly moist, very <br /> CL plastic, iron oxide staining) <br /> 62 —_ <br /> _ Olive gray clayey SAND (70% fine to medium sand, 30% clay) <br /> SC <br /> 64 Mh5-65 <br /> — 1s <br /> ' = p 30 <br /> 66 — 35 V=• Olive gray fine to medium SAND (f00% sand, trate slit and clay, <br /> slightly moist) <br /> 66 <br /> MWS-70 �' SP <br /> 25 <br /> 7 = 0 f5 r: <br /> = I: <br /> 72 <br /> 74 — :• Min15-75 SC Olive gray clayey SAND (8000' fine to medium sand, 20% clay, moist) <br /> 25 <br /> 35 .l 5e Olive gray fine to medium SAND (100ro sand, wet) <br /> 76 5D ✓ encountered water 5/04/93, 10.7155M <br /> CL i rown silty CLAY (70% clay, 300' silt) <br /> Orange-brown silty SAND (60% fine to medium sand, 40% silt, trace <br /> 78 = clay, water saturated) <br /> M145-8012 <br /> 12 <br /> 80 t Q 45 SM <br /> i 50 <br /> ' 82 <br /> -,i <br /> Brown sandy SILT (70% silt, 30% line to medium sand, water <br /> $4 saturated) <br /> NA 35 <br /> ti <br /> 86 -nd of boring• installed grounpwater monitoring well. <br /> ' BS <br /> Pace: 3 0� 3 <br /> 05/26/1293 lit hlog-mar 92 <br />