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Drilling Log <br /> nn�® GROUNDWATER Monitoring Well MW'2R <br /> Prolect Chevron/Stockton Owner Chevron USA Products Co <br /> Location 45 E" Hardina Hay, Stockton CA Prot No 02070 4885 <br /> L ar <br /> .C- <br /> 1 w o o r� Description <br /> CL <br /> p" CL <br /> E CL—a E 3: (D (Color, Texture, Structure) <br /> o m rz j Trace < 10%, Little 10% to 20%. Some 20% to 35% And 35% to 50% <br /> U m aK <br /> 24 <br /> brown yellow gravel (continued) <br /> < < 12 Mottled brown and gray sandy silty CLAY (10,30,60) (moist, no <br /> 0 MW-2R 25 <br /> 2B < < _25 27 hydrocarbon odor) <br /> < <br /> CL <br /> < <br /> 28 < <br /> 30 Mottled gray and brown clayey sandy SILT (20,20,60) (moist no <br /> < 7 hydrocarbon odor) <br /> < < 0 MW-2R 16 <br /> -30 24 <br /> 32 < < ML <br /> < < <br /> 34 < < <br /> <r 4r< BGray to brown medium SAND (slightly clayey, loose) <br /> 0 MW-2R 15 <br /> -35 25 <br /> 36 <br /> SIN <br /> — 10 (grades whitish gray) <br /> 0 5 MW-2R 14 <br /> -40 23 Mottled pale gray and brown silty CLAY (moist, no hydrocarbon <br /> 42 = odor) <br /> 44 <br /> i <br /> 15 CL <br /> 46 = 0 Mw-2R 26 <br /> -45 34 <br /> 4$ <br /> 50 — 15 Mottled tan and brown sandy silty CLAY (moist, no hydrocarbon <br /> 01 MW-2R 24 odor) <br /> -50 32 <br /> 52 <br /> CL <br /> En'--ountered water, 12116/93, 0955 his <br /> 54 <br /> 5 <br /> �6 2 5 MW-2R 7 ML Mottled micaceous brown and gray clayey SILT (30,60) with black <br /> -55 10 organic matter (1Qb) (wet, no hydrocarbon odor) <br /> 02/11/19912�� <br /> frthlog—mar83 <br /> Paoe 2 of <br />