|
0
<br />-5
<br />-10
<br />15
<br />20
<br />-25
<br />30
<br />35
<br />40
<br />4
<br />50
<br />55
<br />n Advanced
<br />GeoEnvironmental, Inc.
<br />837 Shaw Road, Stockton, CA 95215
<br />(209) 467-1006 FAX: (209) 467-1118
<br />FORING LOG
<br />BOREHOLE NO.: MW-4
<br />TOTAL DEPTH: 551
<br />;.---...".
<br />Project:
<br />Site Location:
<br />Project No.:
<br />Ocampo Property
<br />821 South Wilson Way
<br />Stockton, California
<br />AGE-NC-02-0926
<br />Drilling Co.: Cascade Drilling, Inc.
<br />Rig/Auger Type: LAR/8.25 inch hollow stem augers
<br />Logged By: M. Carranza
<br />Reviewed By: W. Little
<br />Date(s) Drilled: 08-26-08
<br />Notes: Soil sampled at 5 ft. intervals
<br />completed as a 2 inch diameter monitoring well
<br />= Water Level Before Drilling
<br />m Water Level After Drilling
<br />D epth Sample
<br />ID
<br />Blows
<br />(per 6")
<br />PID
<br />(ppm)
<br />Soil
<br />Symbol
<br />USCS Class and
<br />Soil Description
<br />Well
<br />Completion
<br />Well
<br />Description
<br />-
<br />_
<br />- MW4-5
<br />_
<br />- MW4-10
<br />— - MVV4-15
<br />MW4-20
<br />_
<br />MW4-25
<br />_
<br />— - MW4-30
<br />_
<br />- _
<br />_
<br />- MW4-35
<br />- - _
<br />— - MW4-40
<br />- -
<br />7:
<br />25/30/38
<br />21/50 for
<br />6
<br />18/56 for
<br />6
<br />15/30/50
<br />for 6
<br />14/24/30
<br />7/13/32
<br />13/16/20
<br />11/31/50
<br />for 5
<br />11/29/50
<br />4
<br />12/31/50
<br />for 4
<br />22/50 for
<br />6
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0
<br />0'..
<br />44
<br />/
<br />0
<br />°
<br />0
<br />0
<br />Cement grout seal
<br />Well cover; water-tight
<br />locking cap.
<br />from Ito 31 feet bsg
<br />Bentonite seal
<br />from 31 to 33 feet bsg
<br />#3 sand
<br />from 33 to 55 feet bsg
<br />0.010 screen interval
<br />from 35 to 55 feet bsg
<br />well plug at 55 feet
<br />1111111 ML: Light brown, Silt, dry, low plasticity, moderate
<br />\ toughness, no hydrocarbon (HC) odor.
<br />/
<br />1111 III
<br /> 0
<br /> e ML: Light brown to grey with white streaks, Silt, dry,
<br />\ low plasticity, moderate toughness, no HC odor. /
<br />1111111 ML: Dark brown with white deposits, dry, Silt, very low /
<br />\ plasticity, no HC odor. /
<br />1111 i 11 ML: Reddish brown, damp, Silt, low plasticity and
<br />\ toughness, no HC odor.
<br />/
<br />1111111 ML: Dark brown, slightly damp, Silt, low plasticity and
<br />\ toughness, no HC odor.
<br />/
<br />1111111 ML: Light grey, Silt with fine sand, dry to damp, low i
<br />\ plasticity and toughness, no HC odor. /
<br />CL: Grey brown, Clay with silt, damp, very moist no i
<br />HC odor, /
<br />1111111 ML: Grey with rust deposits, Silt, dry, moderate
<br />, no HC odor. \ plasticity and toughness /
<br />- MW4-45
<br />-for - _
<br />— - MVV4-50
<br />- -
<br />_-_- MW4-55
<br />-
<br />'1-.1."1:* SM: Dark brown, well graded fine Silty Sand, saturated,
<br />\ loose, no HC odor.
<br />1111111 ML: Dark brown, Silt with well graded fine sand,
<br />saturated, loose, no HC odor. / 1111 111\
<br />ML Dark brown, Silt with well graded fine sand,
<br />saturated, loose, no HC odor.
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