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WEISS ASSOCIATES
<br /> Typical Monitoring Well Construction Detail
<br /> Ground Surface 0
<br /> GRAPHIC LOG DESCRIPTION
<br /> .....
<br /> Asphalt
<br /> ' _— Silty CLAY(CH),dark brown,stiff,damp,
<br /> --___- highly plastic, low K
<br /> —_—_- Orange-brown,30-50%silt,moderately
<br /> ' _—_�= plastic below 3 ft
<br /> Portland
<br /> cement with 5 ---___ Clayey SILT(ML),yellow-brown,medium
<br /> 3-5% stiff,wet,moderately plastic, law K
<br /> ' bentonite
<br /> _ Mottled brown-gray,possible very slight
<br /> —= hydrocarbon odor from 7 to 8 ft
<br /> ' 4"PVC —
<br /> Casing 10 ----_
<br /> -'-- <5%very fine sand,possible very slight
<br /> --__-_ hydrocarbon odor from 10 toil 5 ft
<br /> ' — (Contact from driller)
<br /> - Sandy SILT(ML),orange-blown, medium
<br /> Bentonite ___ _ stiff, moist to wet,20-30%very fine sand,
<br /> ' pallet seat i5 - - <5%clay, possible very slight hydrocarbon
<br /> odor,modK- - - - - - - - - - - - -- - - -
<br /> #3 _ -_ Silty SAND(SM),yellow-brown, medium stiff,
<br /> Monterey _ - damp, 10-20%silt,very fine to fine sand,
<br /> sand slight to moderate hydrocarbon odor,mod to
<br /> Q
<br /> high K
<br /> —_—_0 020"slotted 20 --- — below i6 5 ftmoderate hydrocarbon odor
<br /> r 4"PVC --_—_=
<br /> casing "---- ,Clayey SILT,(ML),gray-brown,loose to
<br /> -= - medium stiff, moist to wet,5-10%very fine
<br /> PVC end cap sand, 10-20'/o clay,slight to moderate
<br /> hydrocarbon odor,low K
<br /> --_ Sandy SILT(M),from 23 to 23 5 ft,gray-brown,
<br /> Bentonite 25 - — 20-300/.very fine sand, mod K,very slight
<br /> pellet plug _ hydrocarbon odor
<br /> (it necessary) Soft from 23 5 to 24 5 ft
<br /> Silty CLAY (CH),blue-gray,stiff,high
<br /> 0 2 4 6 plasticity, no odor,very low K[Bay Mud?]
<br /> in Radius EXPLANATION
<br /> Z Water level during drilling(date) Logged by
<br /> ' Q Water Level(date) Supervisor
<br /> Contact(dashed where approx) Drilling Company
<br /> - - - - Uncertain Contact Driller
<br /> Gradational Contact Drilling Method
<br /> Location of recovered drive sample Dates Drilled
<br /> .
<br /> Location of drive sample collected for Well Head Completion
<br /> �+{ chemical analysis Type of sampler
<br /> C-} Grab sample
<br /> K=Esumated hydraulic conductivity
<br /> Boring Log and Well Construction Details
<br /> Figure 6 Typical Monitoring Well Construction Detail and Sample Soil Boring Log
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