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Drilling Log <br /> �® GROUNDWATER Monitoring Well MW-2RB❑❑ TECHNOLOGY <br /> Protect Chevron/Stockton owner Chevron USA Products Co <br /> Location 45 E Hardrna Way, Stockton, CA Pro) No 02070 4895 <br /> H C 2 m <br /> a T ❑E W g o rID U Description <br /> .,a a o <br /> p`- E a E d m� (Color, Texture, Structure) <br /> U N m x ch 'Trace < 10%, Little 10% to 20%, Some 20% to 35%, And 35% to 50% <br /> 24 <br /> brown yellow gravel (continued) <br /> < L r t2 Mottled brown and gray sandy silty CLAY (10.30,60) (moist, no <br /> 26 < o Mrs-2R 25 <br /> < -25 27 hydrocarbon odor) <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 MH-tit 16 <br /> -30 24 <br /> 32 < < ML <br /> 34 < < <br /> �• < < g Gray to brown medium SAND (slightly clayey, loose) <br /> 0 MW-2R 15 J <br /> -3S 25 f� <br /> 38 sw <br /> 40 — 1p (grades whitish gray) <br /> — 0 5 MW-2R 14 <br /> -40 23 Mottled pale gray andrDwn silty CLAY {moist, no hydrocarbon <br /> 42 — odor) <br /> 44 = <br /> ]5 CL <br /> 46 0 Mw-211 26 <br /> -4S 34 <br /> 48- <br /> - 50— ]5 Mottled tan and brown sandy silty CLAY (moist, no hydrocarbon <br /> 01 MW-2R 24 i odor) <br /> -50 32 <br /> 52- <br /> CL <br /> Encountered water, 12116193, 0955 hrs <br /> 54 = <br /> — 5 <br /> z 5 MH-2R 7 ML Mottled micaceous brown and gray clayey SILT (30,60) with black <br /> 56 l -5; 10 organic matter (10%) (wet, no hydrocarbon odor) <br /> 02/11/1994 tithlog—Mar!?3 -- <br /> _- <br />