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j� Drilling Log <br /> GROUNDWATER <br /> Monitoring Well MW--4 <br /> ULJ TECHNOLOGY <br /> Project Chevron - Stockton Owner Chevron U.S.A. orOCUCts Co. <br /> Location 3246 East cremont Streer Proiect Na, 02070 3865 Date drilled 05/03/93 <br /> 0 <br /> n W- oa mog aD° U Description <br /> 0- 3= a a s n V O <br /> �.�+ to <br /> e a u (Color, Texture, Structure) <br /> L) to Trace < lox, Little $0% to 20%. Some tax to 35%. And 35% to 50% <br /> 24 14 MW42 ! Orange-brown, poorly graded SAND with SILT (continued) <br /> < < 2 30 <br /> 2s < < 38 <br /> 5M <br /> < c MW4-3Q <br /> 30 < < 20 <br /> t 25 <br /> t < 35 <br /> 32 < < <br /> Brown sandy SILT (70% silt, 30% fine to medium sand, slightly moist) <br /> < < <br /> 34 < < MW4-35 <br /> < < 18 <br /> 1 30 <br /> 36 < 47 <br /> < < ML <br /> - 384( < <br /> 11 r t r <br /> < < <br /> MW4-40 <br /> 40— < <br /> Q 222 <br /> Olive Gray sandy SILT (80% slit, 20% tine to medium sand, trate <br /> < < 30 <br /> coarse sand) <br /> 42 < <br /> < < Mottled olive gray and brown silty CLAY (70% clay, 30% sill, <br /> slightly moist, very plastic) <br /> 44 < < <br /> MW4-45 11 <br /> < < f5 ozzllCL <br /> 0 25J. <br /> < < 40 <br /> I <br /> i <br /> < ! Olive pray. Doorly graded SAND with GRAVEL (80% fine to medium <br /> 46 I < <br /> sand. 10% coarse sand. IOro fine gravel, slightly moist) <br /> < c i <br /> SP <br /> MW4-50 ' <br /> 50 20 <br /> 1 1E <br /> < < i 22 Olive gray silty SAND (8C% fine to medium sand. 20% silt, slightly <br /> moss") <br /> 52 � < < <br /> i <br /> I <br /> I < < I <br /> f SM <br /> rJ' 4 .1 r< < <br /> < < 1 12 (Grades brown, 70% fine to medium sand, 30% silt) <br /> 56 < I Q 30� ' , ' , <br /> it <br /> I <br /> OS/7fi/Foe3 Gt Winn-ma•[� b3no• 7 n`. � <br />