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' Advanced BORING LOG
<br /> ' y GeoEnvironrnental, Inc. BOREHOLE NO MW-2
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> TOTAL DEPTH '
<br /> (209)467-1006 FAX (209}467-1118 JrrJ
<br /> ' Project OCAMPO PROPERTY Drilling Co MME
<br /> Site Location 821 SOUTH WILSON WAY Rig/Auger Type CME-75HT
<br /> ' STOCKTON Logged By E Fisher
<br /> CALIFORNIA
<br /> Reviewed By C Lee
<br /> Project No AGE-NC-02-0926
<br /> Date(s) Drilled January 29,2004
<br /> Notes Soil sampled at 5 ft intervals sz Water level during [trilling Page 1 of 1
<br /> ' x Water level in completed well
<br /> Depth Sample Blows PID Sod USCS Class and Well Well
<br /> ' ID (per 6") (ppm) Symbol Sod Description Completion Description
<br /> 0
<br /> Well cover,water-tight
<br /> locking cap
<br /> -5 MW2-5 12/17/20 0
<br /> SC Dark and fight brown,moist,stiff,CLAYEY
<br /> SAND, 10-20%gravel fine sand,soft,possible
<br /> hydrocarbon(HC)odor
<br /> -10 MW2-]0 9/9/13 Q
<br /> ' CL Yellow brown w/tan and black specks,most,stiff,
<br /> SILY CLAY,20%silt,5%fine sand,trace gravel,
<br /> moderate plasticity and toughness,no HC odor
<br /> Cement grout seal from
<br /> -15 12/12/12 0 1 to 30 feet
<br /> ' ML Sampler broke Soil remnant Light brown,mast,
<br /> stiff,CLAYEY SILT,30%clay 5%sand,moderate
<br /> -20
<br /> plasticity and toughness,possible HC odor
<br /> ' MW2-20 15/17/21 18 5M Orange brown,damp,medium dense,SILTY
<br /> SAND,40%silt,60%fine sand,soft,no HC odor
<br /> -25 MW2-25 12/16/16 11 =_
<br /> SM Orange brown,damp,medium dense,SILTY
<br /> ' SAND,40%slit,60%fine sand,soft,no HC odor
<br /> -30— MW2-30 15/17/18 6
<br /> CL Green-to yellow-brown w/oxidation stains,damp, Bentonite seal from 30
<br /> ' stiff,SILTY CLAY,20%silt,high plasticity,moderate to 33 feet
<br /> toughness and consistency,no HC odor
<br /> -35 MW2-35 13/14/15 7 °
<br /> CL Brown,moist,stiff,SILTY CLAY,15/o silt,high
<br /> ' plasticity,moderate toughness and consistency,no HC
<br /> odor,intercalated w/FrN-F-SAND,<10%fines
<br /> -40-
<br /> - MW2-40 9111112 2 ##3 sand from 33 to 55
<br /> CL Green brown,moist,stiff,CLAY,intercalated with
<br /> ' moist medium dense,SILTY SAND,40%silt,no HC feet
<br /> x odor
<br /> f
<br /> -45 MW2-45 10/10/13 1
<br /> CL Brown w/black specks and tan precipitate,damp to
<br /> moist,stiff,SILTY CLAY,30%silt,5%sand,
<br /> moderate plasticity and toughness,no FIC odor
<br /> Screen interval 35 to
<br /> 50-
<br /> - MW2-50 10/13/14 155 feet
<br /> SW Orange brown w/dark brown spots,saturated,
<br /> ' medium dense,FINE SAND,410%fines,soft,no HC
<br /> odor
<br /> -55 MW2-55 19/21/24 0
<br /> SC Yellow brown w/oxidation stains and large black
<br /> ' spots,saturated,medium dense,CLAYEY SAND,20%
<br /> clay,soft,no HC odor
<br />
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