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i f <br /> i <br /> DIVIDEND DEVELOPMENT COMPANY <br /> TRACY SITE <br /> NORTH PARCEL <br /> SOIL LAYER DESCRIPTION <br /> B-2 <br /> 5/22/91 <br /> 0 . 0 ' - 2 . 0 ' Medium dark gray, loose, clayey silt/silt <br /> ML, slightly moist, carbonaceous . <br /> 2 . 0 ' - 4 . 0 ' -- Medium dark gray, clayey silt, faint <br /> greenish tints, no odor, sore caleche <br /> streaks 'at 41 , slightly moist to moist, <br /> stiff, carbonaceous . <br /> 4 . 0 ' - 6 . 01 - Grayish brawn/brownish gray, green tints <br /> near base, blotchy coloration, no odors, <br /> abundant root traces. <br /> 6 . 01 - 9 . 0 ' - Transiti-onal to bluish greenish gray, <br /> contaminated (hydrocarbons) silty <br /> clay/clay - CL - s4rong odor - gasoline - <br /> moist. <br /> 9 . 0 ' - 14 . 0 ' - Colors as above, silty clay - CL - Free <br /> product from 10 ' to 10 . 51 . Free product <br /> in little veinlets at 131 , inconsistent, <br /> molted coloration wet zones at lot and <br /> 121 . Water table at 9.. 51 . <br /> 14 . 0 ' 19 . 0 ' - Color change to brownish gray (distinct <br /> brown shades) . <br /> 14 . 0 ' - 17 . 0 ' - Clayey silt, as above ; wet .one at 16 ' <br /> 17 . 0 ' - 19 . 0 ' - Grayish brown/brownish gray silty sand, <br /> some caleche spots - SM - slightly moist <br /> to moist <br /> 19 . 0 ' -- Total Depth <br /> i <br /> Well Construction Notes : <br /> ] . 19 ' to 4 ' perforated ( 151 ) Bentonite seal <br /> 2 . -4 ' to +1 ' Blank ( 5 ' ) , sand to 2 ' . <br /> 3 . Riser and locked ; groundwater at 6 ' 611., 24 hour later 2 ' <br /> to 1 ' . <br /> I <br />