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~ FIGURE 5. TYPIC*SUBSURFACE GEOLOGY AND AILL CONSTRUCTION <br /> FIELD AVENUE SITE <br /> Date: March 18, 1986 Elevation. +4. 38 <br /> WELL DESIGN <br /> DEPTH i w �, � PEtiE. DESCRIPTION <br /> 1N = _ 0 = RESIS. 113 SAND <br /> a, i f oy <br /> FEET FT. 0. 028 SLOT <br /> Existing Ground Surface <br /> r•r•r• r•r•r•r <br /> Dark brown, wet, medium stiff, plastic,i <br /> 1 <br /> 9 silty clay (CL ). <br /> 2 4-1 - <br /> 3 Gold brown, wet, stiff, slightly plastic, <br /> 4 silty clay (CL ). - <br /> 6 <br /> 4_2 23 Presence of very fine-grained sands - <br /> 7 <br /> 8 <br /> 9 <br /> ' ' ! Brown, wet, medium-dense, fine- to 10 <br /> 10 Qi. medium-grained, silty sand (SM ) <br /> 11 4-3 r..:r i 19 with minor clay binder. - <br /> :I..: <br /> 12 :i;:i;i•.:i <br /> 14 <br /> is <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 /> 1 9 <br /> Light grey brown, saturated, dense, silty ;;?.;.:.;:;. <br /> q-6 I::!.:! 31 sand (SM ) with minor clay binder. <br /> 20 20 <br /> 21 Boring terminated at 20 feet _ <br /> - 22 - <br /> - 23 - <br /> - 24 <br /> 24 <br /> L27 <br /> 25- <br /> Figure - Test Boring Log No. L13-4 <br /> - Monitoring Well No . MW-4 Woodward-Clyde Consultants <br />