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Drilling Log <br /> GROUNDWATER Monitoring Well MW-3 <br /> DD TECHNOLOGY <br /> Project Chevr)n-Charter Nay, StOCkon Owner Chevron USA Products Company <br /> Location 508 Charter Way, Stockton CA Pro(. No. 02070 0071 <br /> o o �, W Description <br /> aw m- a n U Qp U <br /> v" a a E = u `°-� <br /> oe u3 (Color, Texture, Structure) <br /> 0 'Uin x ? Trace < 10%. Little t0% to 20%, Some 20% to 35%. And 35% to 50% <br /> 24 Sandy silty CLAY (cont). <br /> MW-3 <br /> < < 2 -25' 5 CL <br /> 26 9 <br /> 12 Sandy clayey CILT (10,20,70): mottled green-gray and brown, <br /> moist, no hydrocarbon odor. <br /> 28 CL <br /> (grades green-bluish gray and slight hydrocarbon odor) <br /> MW-3 <br /> _ 17 -30' 6 <br /> 7 CLAY: blue gray, moist, very frim, with brown dendritic roots and <br /> $ root casts. <br /> 3zCL <br /> 34 Silty CLAY (30,70): blue-gray, very moist, moderate to strong <br /> MW--35' 3 <br /> 237 -•35' degraded hydrocarbon odor. <br /> 36 3 <br /> CL <br /> 38 <br /> Fine to medium sandy CLAY (40,60): wet, moderate to strong <br /> 40 MW-3 50 hydrocarbon odor., grades clayey sand. <br /> 350 -40' 6 <br /> r2 Encountered Wafer, 03/16/95, 1105 hrs. <br /> 1s <br /> 42 — Medium to coarse SAND: green-gray, wet, clean, loose, moderate <br /> to strong hydrocarbon odor. <br /> 44 _ <br /> MW-3 <br /> 120 -45' 10 <br /> 46 — is SW <br /> 1 <br /> 48 <br /> JO MW-3 <br /> J 335 -50' 9 <br /> 11 <br /> • IS <br /> 52 End of boring. Installed groundwater monitoring well, <br /> r <br /> - 54 <br /> 56 <br /> 04112119951,ttioq-mW123 Page: 2 of 2 <br />