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Drilling Log <br /> GROUNDWATER <br /> TECHNOLOGY -Monitoring Well MW-12 <br />• Chevron -- Stockton Chevron USA Products Cc <br /> Project Owner <br /> Location 45 East Nardrna wav Protect No 02070 3399 Bate drilled 06129193 <br /> C N <br /> E „ �, s� <br /> Bu Description <br /> a� as a. as V as U <br /> E a s E o m� to (Color, Texture, Structure) <br /> Cl) to <br /> mK in Trace r 10%, Little 10% to 20%. Some 20% to 35: And 35% to 50% <br /> 24 I MW- Gray brown silty SAND (continued) <br /> t p 12`25 (Grades sandy SILT 70% silt, 30% tine sand) <br /> 26 0 <br /> 1 <br /> 2fi (Grades yellow brown 60% silt 40% fine sand moist) <br /> M1J- ML <br /> 30 1z-�fl <br /> a A (Grades gray brown, 50% sift, 30% tine sand, 20% Clay) <br /> 1D <br /> S2 <br /> 32 - <br /> 34 — Mw- <br /> _ 12-35 ' <br /> p s Light gray CLAY 80% silt 10% sift, 10% fine sand (sirghtly <br /> 11 moist, brittle, low plasticity, no hydrocarbon odor) <br /> 36 s <br /> CL <br /> 38 <br /> Mw- <br /> 12-40 <br /> 40 O 5 Yellow brown SILT 60% sift, 20% clay, 201% fine sand {slightly <br /> 7 moist low plasitcdy� no hydrocarbon odor) <br /> 12 <br /> 42 — <br /> 4 4 M1a- <br /> 12--45 <br /> ` O 7 (Grades sandy SILT. 60% sand, 20% Gay 20% fine sand) <br /> 4 fi 1� <br /> 4L <br /> B <br /> Mw- (Grades 80% silt 10% day 10% fine sand) <br /> — 5 0— I 12-5 e Yeliow brown sandy SILT 50% sett 30% line sand 20% clay <br /> a <br /> 1C trace mica {slightly moist low Diasticlty trace cafsche <br /> veins no hydrocarbon 000rl <br /> 52 i Encountered wafer 06129193 <br /> 54 _ Mw- <br /> Brown antl black mottled SILT 80% silt 10% fine sand )C% clay <br /> — o � <br /> C " I <br /> trace fine gravel trace mica {moist, low plasti;ity no <br /> rJfi y f! <br /> H <br /> hvdrpCerpAn DdnK) <br /> O8l30!ffi33 httslop-mer97 <br />