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0
<br />-5
<br />10
<br />15
<br />20
<br />25
<br />30
<br />35
<br />-40
<br />4
<br />50
<br />-55
<br />60
<br />-65
<br />-70
<br />75
<br />Advanced
<br />GeoEnvironmental, Inc.
<br />837 Shaw Road, Stockton, CA 95215
<br />(209) 467-1006 FAX: (209) 467-1118
<br />tRING LOG
<br />BOREHOLE NO.: MW-6
<br />TOTAL DEPTH: 75'
<br />--- 7 .. •
<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: 06-24-08
<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 />Depth
<br />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 />- MW6-5
<br />_
<br />- MW6-10
<br />- MW6-15
<br />_
<br />- MW6-20
<br />_
<br />- MW6-25
<br />_
<br />- MW6-30
<br />-- MW6-35
<br />— - MW6-40 _
<br />-
<br />- MW6-45 _
<br />_
<br />- MW6-50
<br />— - MW6-55
<br />_
<br />- MW6-60
<br />— - MW6-65
<br />- MW6-70
<br />_
<br />— MW6-75
<br />10/23/28
<br />19/27/28
<br />9/15/28
<br />12/32 /45
<br />3/7/13
<br />5/10/14
<br />6/10/40
<br />15/26/29
<br />18/35/50
<br />for 6
<br />15/31/50
<br />for 4
<br />24/50 for
<br />6
<br />30/50 for
<br />5
<br />9/23/50
<br />for 2
<br />10/50 for
<br />3
<br />not
<br />measured
<br />28.5
<br />9.7
<br />21.3
<br />0
<br />45.1
<br />not
<br />measured
<br />2256
<br />1754
<br />2235
<br />146
<br />320
<br />1048
<br />35.5
<br />29.9
<br />0
<br />t off4
<br />/
<br />,
<br />,
<br />,
<br />/
<br />/
<br />,
<br />1E = -
<br />108)i
<br />1/
<br />rOe ,
<br />0
<br />00/
<br />0
<br />00)4°
<br />0 0
<br />Well cover; water-tight
<br />locking cap.
<br />Cement grout seal
<br />from 1 to 65 feet bsg
<br />Bentonite seal
<br />from 65 to 68 feet bsg
<br />#3 sand
<br />from 68 to 75 feet bsg
<br />0.010 screen interval
<br />from 70 to 75 feet bsg
<br />well plug at 75 feet
<br />1111111 ML: Dark yellow-brown, dry, Silt, low plasticity and
<br />\ toughness, no hydrocarbon (HC) odor.
<br />ML: Dark yellow brown with black streaks, damp, Silt,
<br />\ moderate plasticity and toughness, no HC odor.
<br />
<br />1111111
<br />ML: Red-brown with light grey streaks, Silt, damp, high
<br />\ plasticity and toughness, no HC odor.
<br />!Will
<br />MI; Dark yellow-brown with grey streaks, Silt, damp,
<br />\ low plasticity and toughness, strong HC odor.
<br />1111111
<br />ML: Brown-grey, very dry, Silt, moderate plasticity and
<br />\ toughness, strong HC odor.
<br />i I 11111
<br />CL: Light brown with many white areas, Clay, thy to
<br />damp, moderate plasticity and toughness, moderate HC.
<br />ML: Greyish green, dry to damp, Silt, moderate
<br />\ plasticity and toughnesss, strong HC odor.
<br />1111111
<br />CL: Greenish grey-brown, dry, Clay, moderate plasticity
<br />and toughness, very strong HC odor.
<br />ML: Brown with grey streaks, wet, Silt with sand (<20%
<br />fine grained), low plasticity and toughness, moderate
<br />d, o or.
<br />1111111
<br />1111111\11C
<br />ML: Light brown-grey with white areas, dry, Silt, low
<br />plasticity and toughness, moderate HC odor.
<br />\ / 1111111
<br />ML: Light brown with grey streaks, clayey Silt, damp to
<br />moist, moderate HC odor.
<br />\ / 1111111
<br />ML: Light brown with white-grey streaks, Silt, damp to
<br />moist, moderate HC odor.
<br />'1 1. .1• *
<br />SM: Greyish dark brown, very moist, poorly graded fine
<br />Sand, loose, slight HC odor.
<br />•1 •1- •1- • SM: Dark red brown, saturated, poorly graded medium
<br />Sand firm no HC odor.
<br />SP: 1st sleeve: Grey-brown, saturated, poorly graded
<br />, .
<br />saturated, well coarse Sand with gravel (apprx. 1/4 to
<br />1/2-inch), no HC odor.
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