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i <br /> Driffin Log <br /> g <br /> GROUNDWATER <br /> • EMTECHNOLDGY Monitoring Well MW-13 <br /> Project Chevron - Stockton Owner Chevron USA Products Co <br /> Location 45 East Hardino "'13vProtect No C2Qia 3399 <br /> Gate drilled 25/30/93 <br /> 0=� �°' aQ �Ua a� Description <br /> ga as a u � o <br /> 0 a go o¢ (Color, Texture, Structure) <br /> v in EX ? Trace < 10%, Little 10% to 20% Some 20% to 35%, And 35X to 50% <br /> 24 I I <br /> Mw- ! - Yellow brown SAND {continued) <br /> < c 13-25 } <br /> 0 8 (Grades 40% fine sand, 20% medium sand, 10% coarse sand S% sine <br /> 26 < 1z 5� subangular gravel 5% sift, t0% clay) <br /> 26 < <br /> < < Yellow brown clayey SILT 40% silt, 30% fine sand 30% Gay, <br /> Mw- trace mica (slightly moist, low plasticity, no hydrocarbon <br /> 30 < < 0 t 13-30 odor) <br /> < < 8 ML <br /> 14 <br /> 32 < < <br /> 34 < < <br /> Mw- (Grades light gray, silty CLAY 70% clay, 20% silt, 10% fine <br /> < c 01 13-35 snd) <br /> 36 12 <br /> 13 <br /> 36 <br /> ci <br /> Mw- <br /> 140 13-40 <br /> 01 6 (Grades yellow orange) <br /> 10 <br /> 42 - - - - <br /> 44 — Mw- <br /> 13-45 <br /> of 7 (Grades red brown clayey SILT 70% silt, <br /> 46 10% fine sand 20% clay) <br /> z <br /> _ 4B I <br /> i <br /> M1ti- <br /> B 0 - f 13-50 M� <br /> 0 10 Yellow brown sandy SILT 50% silt 301ft fine sand 10% clay <br /> 12 trace meOlum sand trace mica (slightly mast stiff loh <br /> 15 Plasticity no hvdrocarpon odor) <br /> 32 <br /> 54 mw- <br /> 13-55 <br /> 0 11 Encountered grater 06/30/9.3 <br /> �6 18 (Grapes gray-brown and black mottled, 70% stlt, 1;,- clay 15" fine <br /> U sandlft <br />