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I <br /> �n Drilling Log I <br /> nn� GROUN�wATER Monitoring Well MW-12E]1!J TECHNOLOGY <br /> i <br /> Project Chevron - Stockton Owner Chevron USA Products Co <br /> Location 43 East Nardrna Wav Project No 02070 3399 Date drilled 06/29/93 <br /> ' C on <br /> �, �, o �, Description <br /> Q: Gt_ ,. Q aV u ap U <br /> E a E ;u �� to (Color. Texture, Structure) <br /> 0 NmK CD in Trace < 10%, Little 10% to 20X, Some 20% to 35%, And 35X to 50% <br /> ' 24 <br /> MW- Gray brown silty SAND (continued) <br /> < < 0 12-21i (Grades sandy SILT 70% silt, 30% fine sand) <br /> 26 9 <br /> to " <br /> ' 28 (Grades yellow brown, 60% silt, 40% fine sand, mocst) <br /> I <br /> Mw- ML <br /> ' 30 _ 12-30 <br /> p a (Grades gray brown, 50% slit, 30°6 line sand, 20% clay) <br /> 10 <br /> 12 <br /> 32 <br /> 34 - Mw- <br /> 12-35 <br /> — p e Light gray CLAY 80% silt, 10% silt, 10% fine sand (slightly <br /> 36 — 11 moist, brittle, low plasticity, no hydrocarbon odor) <br /> 15 <br /> ' — CL I <br /> 38 <br /> Mw- <br /> 12-40 <br /> 2- <br /> = <br /> 40 0 12405 Yellow brown SILT 600/0' silt, 20% clay 20% fine sand (slightly <br /> 7 most low plasticity no hydrocarbon odor) <br /> _ 12 <br /> ' 42 <br /> 44 = Mw- <br /> 12-45 <br /> p 7 (Grades sandy SILT 60% sand, 20% clay, 20% fine sand) <br /> 46 = 11 <br /> 13 <br /> -48 — = ML <br /> ' - Mw- (Grades 80° silt, 10% clay 10% fine sand) <br /> 50 = a 12-50 Yellow brown sandy SILT 50% silt, 30% fine sand 20°6 clay, <br /> 1e trace mica (slighliy most low olasticity trace calrche <br /> = i- veins no hydrocarbon odor) <br /> 52 — -ncounrered haler 06!29193 <br /> 54 - <br /> Mw- <br /> 1 12-55 <br /> 4 Mw- <br /> 12-55 <br /> 0 5 Drown and bkack mottled SILT 80°. silt 10% line sand 10% clay <br /> ' S6 a trace fine gravel trace mica (moist, low plasticity, no <br /> I€ I hydrocarbon odor) <br /> 08/30/1993 hthiog-maf92 <br /> Pada � rtit � <br />