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w • W€ISS ASSOCb4TES VM 30 WELL MW-1 30 LfTHOLOGY DESCRIPTION Sandy SILT(ML),dark reddish brown,soft -_ to medium stiff,damp to Moist,10 to 20% 35 35 very fns grained sand,weathered partially rithified silty sand pebbles,moderate to high estimated permeability to 1u 30Jan 87 4 — 17Mar 87 Silty CLAY(CH),grayish brown,medium stiff to SO,wet,10 to 20%silt,.6%very fine 40 17Dec 86 _ _T='__='•=` grained sand,c5%muscovite flecks,low uL — 40 ' ' r_ estimated permeability - 30 to 40%at from 40.210 40.5ft. a = filter and --- Sifty SAND(SM),dark reddish brown, --- _ ,.: :-,•- medium dense,with 20 to 30%silt,<240 clay,medium to coarse grained sand, 45 = moderate estimated permeability o — Silty CLAY(CH),grayish brown with orange _= mottling,medium stiff,10 to 30%silt,5 to . 0 _ .' 109/6 fine to coarse grained sand,low cc — ;_;T:;: estimated permeability 0.02 in =_=:? 60 to 70%silt from 45.2 to 45.5ft. 50 — slotted 50 T rTiTi T ii i _ = 4"PVC Silty SAND(SM),dark reddish brown, 3 = Casing medium dense,20 to 30%silt,c21%day, Q — medium to coarse grained sand,moderate to LU i — high estmated permeability co 55 PVC cap 55 -------- rarirrriM).y lrnnrnnu�etover rtnu SAND(S4'11,yellow,loose,fine to very _—_-- coarse grained dean sand,very high Bentonite _ _ estimated permeability plug -- Clayey SILT(ML),raddish brown,medium CL stiff,20 to 30%clay, low estimated 060 k"—�10.5" E4 permeability EXPLANATION T Water level during drilling(date) ® Location of split tube drive sample - SZ Water level(date) ® Location of split tuba drive Contact(dashed where approximate) sample In buss tube It r Gradational Contact Plug sample Well Construction Details and Subsurface Lithology-Well MW-1 (SJMA, continued)