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FIGURE 4. TYPI&SUBSURFACE GEOLOGY AND&LL CONSTRUCTION <br /> NAVY DRIVE SITE <br /> Date: May 20, 1986 Elevation. +2. 78 <br /> WELL DESIGN <br /> rkRE <br /> � REnE. DESCRIPTION 03 SAND <br /> t RESIS.N FT. 0. 020 SLOT <br /> Existin Ground Surface <br /> %; % Aspholt(3" ) with damp, silty sandygravelly- base fill material .Dark grey to black, moist, stiff, mediumto high plastic, silty clay(CL ).Clays becoming green-brown in color <br /> `' ' Li ht brown, moist, loose to medium-:::i: 25 9dense, silty sand(SM ) with minor <br /> ;i•.:i�.:i amounts of clay binder. Iron oxide <br /> .:r;r" stains are present.8 .:i•.:i.:i. <br /> I i`i'i'i10 <br /> — Z <br /> 10 <br /> 3-3 ! ! 11 Some material but is wet and loose - <br /> 1 1 : :j <br /> ;j;i;i <br /> 1 2j-j:i,:i.a;i <br /> 13 <br /> 14 <br /> Q Grey-green, saturated, stiff, Plastic <br /> l5 <br /> 15 silty cloy(CL ). <br /> 16 3-4 16 - <br /> 17 becoming less plastic and less stiff <br /> 18 <br /> 19 3-5 11 <br /> 20 20_ :: <br /> 21 Boring terminated at 20 feet _ <br /> 22 <br /> — 23 - <br /> - 24 <br /> 25 25- <br /> - 26 - <br /> - 27 <br /> Figure - Test Boring Log No. LB-3 <br /> - Monitoring Well No . MW-3 Woodward-Clyde Consultants <br />