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� Drilling Log <br /> GROUN7WATER Monitoring Well MW-5 <br /> TECHNOLOGY <br /> see Site Map <br /> Project Chevron - Stockton Owner Chevron U.S.A. Products CO. For Boring location <br /> Location 3746 East Freronf Srreef project No. 02070 386; Date drilled 05104/93 <br /> Surface Elev. Total Hole Depth 66.5 Diameter Rin. COMMENTS: <br /> Top of Casing water Level Initial i6 ft Static <br /> Screen: Dia 2 i"' Length 25 ff. Type/Size 0.020 in. <br /> Casing: Dia 2 in. Length 60 ft. Type Sched' 40 PVC <br /> Filter Pack Material 2112 ia2is lustre Rig/Core Type S212 1200"' <br /> ' Drilling Company Kvilhauo Method Hollow stem auoer Permit '« <br /> Driller Rod Furlow Log By Karl Bowers <br /> Checked By Ed Simonts License Na.RG -1422 DSB <br /> c ncu <br /> L _ Description <br /> 0— 3: a a n e a o Wo N (Color. Texture, Structure) <br /> ' Q .. IDmK In Trace < 10%, Little to% to 20%, Some 20X to 35X. And 35% to 50% <br /> -2 <br /> 0 A Unpaved grade <br /> A 5M Brown silty SAND (60ro line to medium sand, 30,10 silt, 10'00 clay, <br /> v v trace fine gravel, slightly moist, slightly plastic) <br /> 7 <br /> 2 n n <br /> v v <br /> A n <br /> J Dark brown sandy CLAY (85Po clay, 15% fine to medium sand, <br /> v <br /> n n slightly moist, very plastic) <br /> 4 ti MN;S-5 <br /> 31) CL <br /> n n 0 <br /> ' g <br /> v v <br /> A n <br /> V � <br /> g Orange-brown sandy SILT (80% silt, 20% fine to medium sand, <br /> ^ ^ trace clay, sliohtly moist) <br /> 3D ML <br /> 10 <br /> Y J <br /> A h <br /> V J <br /> '2 n n <br /> V J <br /> � � Brown silty CLAY (70'. clay, 30% silt, slightly moist, moderately <br /> ^ " plastic:) <br /> 14 A Mw5-15 <br /> 17 CL <br /> n A 0 2E <br /> n A <br /> V J k <br /> A n <br /> 1B v v Brown SIL i with CLOY (90% silt. 10% clay, trace fine to medium <br /> ^ ^ sano, sliontly moist, not plastic) <br /> 1-4 <br /> n mW5-20 <br /> L <br /> - 20 - ^ o <br /> g <br /> n n <br /> n w <br /> 22 <br /> v v ML Brown sanay SILT (80% sill, 20% fine to medium sand, slightly <br /> ^ " moist) <br /> ' 24 <br /> 05'2E/1993 h;n;og-ma'8? Page: 1 of 3 <br />