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Y-� Drilling Log <br /> GROUNDWATER Monitoring Well MW-4 <br /> --J---1 T ECHNOLOGY <br /> Project Chevron - Stockton Owner Chevron US.A. Products Co. See Site Map <br /> 324.. East Fremonf Street 0207C 386; 05/03/23 For Boring Localion <br /> Location � Protect Na. pate drilled <br /> Surface Eley. Total Hole Depth 85.5 U. Diameter 8 in. COMMENTS: <br /> Top of Casing Nater Level Initial 74.5 ft. Static <br /> Screen: Dia 2 in• Length 25 ft. Type/Size 0.020 in. <br /> Casing: Dia 2 in- Length 60 ft. Type SChed. 40 PVC <br /> Fitter Pack Material 21121aais lustre Rig/Core Type 5oi1 swoon <br /> DrI ing Company Kvitheuo Method Hollow stem auger Permit � <br /> Driller Rod Furlow Lag By Karl Bowers <br /> Checked By Fd Simons License No.RG 4422 DSS <br /> 0C .9 <br /> u <br /> �E o u �, U Description <br /> a '�" ao U {Colpr, Texture, Structure} <br /> d X aQ u �-+ N <br /> E E # <br /> Nmx En Trace < 10%. Little 10% to 20%. Some 20% to 35%. And 35% to SOX <br /> Unpaved grade <br /> Dark brown sandy CLAY (70% day, 15% fine to medium sand, <br /> 210% coarse sand, 5% fine sand, slightly moist, hard, very <br /> < c plastic <br /> < c <br /> L� < < MW4 <br /> < < 2 L cL <br /> L <br /> (Grades 60% clay, 15% fine to medium sand, 10A coarse sand, <br /> 6 { < 27 15% tine aravel) <br /> < c <br /> $ < < <br /> < < MW4-10 I (Grades silty CLAY (BOA clay, 20% silt) <br /> 3 s2 <br /> < < r5 Poorly graded SAND with GRAVEL (BO% tine to medium sand, l0A <br /> 12 < < ' is Sts <br /> coarse sand, 10A fine gravel, trace clay, slighty moist) <br /> c < <br /> 14 < < Olive gray SILT (100% silt, trace coarse sand, slightly moist) <br /> Ir iMW4-15 <br /> If <br /> < < I I 5 <br /> 70 = <br /> 16 < < � e <br /> < c !� I MSL <br /> < < i <br /> IMwd-20 <br /> 20 < 10 <br /> < < <br /> 22 < < I :i; ; ; Oranoe-brown, poorly Oradea SAND with SILT (80% tine to medium <br /> cc Banc, 10A silt, slightly moist) <br /> < <br /> c <br /> 24 - ' i <br />