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FIGURE 5. TYPICIPSUBSURFACE GEOLOGY AND ALL CONSTRUCTION <br /> • FIELD AVENUE SITE <br /> Date: March 189 1986 Elevation. +4. 38 <br /> WELL DESIGN <br /> DEPTH J Cr ,a � PEnE. DESCRIPTION <br /> IN = _ 0 i RESIS. 113 SAND <br /> FEET <br /> Cr i of y / FT. 0. 028 SLOT <br /> Existing Ground Surface <br /> Dark brown, wet, medium stiff, plastic, <br /> 1 silty clay (CL ). <br /> 2 <br /> 4- 1 9 - <br /> 3 Gold brown, wet, stiff, slightly plastic, <br /> 4silty clay (CL ). - <br /> 5 <br /> 5- <br /> 6 4-2 23 Presence of very fine-grained sands - <br /> 7 - <br /> 8 <br /> N,9 <br /> Brown, wet, medium-dense, fine- to 10 <br /> 10 S; medium-grained, silty sand (SM ) <br /> i t 4-3 19 with minor clay binder. - <br /> r;r:r <br /> - <br /> 12 :i::i•:i.:i <br /> 13 <br /> 14 <br /> i.•:i•.:i:i.:i is <br /> — 15 <br /> 16 4-4 33 Mottled grey brown, saturated, very - <br /> stiff to hard, plastic, silty clay (CL ) <br /> 17 with minor amounts of fine-grained - <br /> 18 sand. - <br /> 19 i•;i:i Light grey brown, saturated, dense, silty :,.;•:..;:;;,;. <br /> 4_5 :i•.:i:;i 31 sand (SM ) with minor clay binder. 20 <br /> 20 <br /> 21 Boring terminated at 20 feet _ <br /> — 22 - <br /> - 23 <br /> 24 - <br /> 25 25 <br /> L26 <br /> 27 <br /> Figure - Test Boring Log No. LB-4 <br /> - Monitoring Well No . MW-4 Woodward-Clyde Consultants <br />