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Advanced BORING LOG
<br /> ZL'
<br /> GeoEnvironmental, Inc.
<br /> 837 Shaw Road, Stockton, CA 95215 BOREHOLE NO MW-3
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 55
<br /> iProject OCAMPO PROPERTY Drilling Co Cascade
<br /> Site Location 821 SOUTH WILSON WAY Rig/Auger Type CME-75 LAR
<br /> ' STOCKTON Logged By E Fisher
<br /> CALIFORNIA
<br /> Reviewed By C Lee
<br /> Project No AGE-NC-02-0926
<br /> Date(s) Drilled February 03, 2004
<br /> Notes Soil sampled at 5 ft intervals Nz Water level during drilling page 1 of 1
<br /> :qr- Water level in completed well
<br /> Depth Sample Blows FID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0
<br /> ' Well cover,water-tight
<br /> locking cap
<br /> -5 MW3-5 3/6/11 12 = o
<br /> ' SM Yellow brown,moist,firm,SANDY SILT,10/o
<br /> sand,low pasticity and toughness,no hydrocarbon
<br /> (HC)odor
<br /> -10 MW3-10 215/11 9
<br /> ' Ulhhl ML Orange brawn w/black spots,moist,firm,
<br /> CLAYEY SILT,30%clay,moderate plasticity,
<br /> toughness and consistency,no HC odor
<br /> Cement grout seal from
<br /> 15 MW3-i5 36/50 91 to 30 feet
<br /> CL Orange brown and dark brown w/white precipitate
<br /> for 6" and black spots,damp,stiff,SILTY CLAY, 10%silt,
<br /> moderate plasticity and toughness,no HC odor
<br /> -20
<br /> MW3-20 28/50 12
<br /> ML Green brown wJdark brown and black spats,moist,
<br /> for 6" CLAYEY SILT,20%clay,soft,no HC odor
<br /> -25 MW3-25 29/50 25
<br /> ' SM Green brown w/black and oxidation spots,moist,
<br /> for 6" SANDY SILT,30%fine sand,low plasticity and
<br /> consistency,moderate toughness,possible HC odor Pz
<br /> 30 MW3-30 21/50 160
<br /> CL Green brown,damp,SILTY CLAY,15%silt, Bentonite seal from 30
<br /> for 6" moderate to high plasticity,toughness and consistency, to 33 feet
<br /> possible HC odor
<br /> -35 MW3-35 14/40/50 43
<br /> ML Dark brawn w/white precipitate,moist,CLAYEY
<br /> for 6" SILT,40%clay,low plasticity,low to moderate
<br /> toughness and consistency,HC odor
<br /> -40— MW3-40 26/50 24 #3 sand from 33 to 55
<br /> CL Yellow brown w/HC staining and white precipitate,
<br /> ' = for 6" damp,SILTY CLAY,moderate to high plasticity, feet
<br /> toughness and consistency,HC odor
<br /> -4s �
<br /> MW3 45 32/50 23 SM Dark brown w/white precipitate,moist to damp,
<br /> I for 6" SILTY SAND,fine sand,15%fines,trace gravel,
<br /> Q partially cemented,possible HC odor Screen interval 35 to
<br /> 50 MW3-50 25/50 1955 feet
<br /> CL Brown w/black spots and white precipitate,damp,
<br /> for 6" SILTY CLAY,15%silt,high plasticity,toughness and
<br /> consistency,possible HC odor
<br /> -55— MW3-55 36/50 25
<br /> 5W Brown w/white precipitate,saturated,well graded
<br /> ' SAND,40%gravel,
<br /> %fines,soft,no HC odor
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