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f <br /> DIVIDEND DEVELOPMENT COHPAh'Y <br /> TRACY SITE <br /> NORTH PARCEL <br /> SOIL LAVER DESCRIPTION <br /> 1 <br /> B-6 <br /> 5/23/91 <br /> I 0 . 0 ' - 1. 0 ' - <br /> Loose, otherwise as described below. <br /> 1. 0 ' - 2 . 0 ' - Dark hues , sail , carbonaceous material <br /> r <br /> clayey silt/silty clay - ML/CL <br /> 2 . OT - 4 . 0' Brownish gray silty clay - ML/CL. <br /> Abundant caleche at 3 ' , moist, lacks <br /> carbonaceous matter - caleche probably <br /> bore of B-horizon. <br /> 4 . 0 ' - 4 . 01611- As above <br /> 4 . 016"-- 7 . 01to7 ' 6" Contaminated zone bluish gray silty clay, <br /> Moist.- CL - strong hydrocarbon odor. <br /> 7 . 0 ' to 7 ' 6" - 9 . 0 ' - Non-contaminated brownish gray./grayish <br /> brown silty clay/clay CL - uniform and <br /> homogenous. <br /> 9 . 0 ' - 14 . 0 ' - Brownish gray, slightly greenish cast, <br /> very wet, tree water silty clay/clay - CL <br /> - probably thin, vaguely defined layers, <br /> a little more granular/silty than others . <br /> 14 . 0 ' - 19 . 0 ' - Brownish gray with yellow green hues , <br /> s generally more silty/granular than above , <br /> probably crudely interlayered - CL, <br /> CL/ML, ML - and possibly a few thin <br /> layers of ML/SM - generally .classes as <br /> CL/ML. <br /> I 19 . 0 ' - Water at about .9 ' <br /> t <br /> F .. <br /> ISI <br />