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Advanced BORING LOG
<br />' GeoEnvironmental, Inc.
<br /> F BOREHOLE NO MW-7
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 60'
<br />' Project Herman and Helen's Manna Date(s) Drilled 08 October 2002
<br /> Project No AGE-NC-01-0865 Page 2 of 3
<br />'
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> p ID (per 6"} {ppm} Symbol Soil Description Completion Description
<br />' -25
<br /> MW7-25 11/18/24 0 CH Brownish-tan,FAT CLAY,high plasticity and
<br />' toughness,wet,no HC odor
<br /> -30 MW7-30 14/19/26 0
<br /> CH Brownish-tan,FAT CLAY,high plasticity and
<br />' toughness,wet,no HC odor
<br /> SC Dark-green,FINE SAND with CLAY,low
<br /> plasticity,saturated,no HC odor
<br />' CL Dark-greenish-gray,CLAY,medium plasticity,
<br /> high toughness,wet,no HC odor
<br /> -35 AM
<br /> MW7-35 7/12116 0 0
<br /> I CL Dark-green,CLAY with S�.T(<10%),medium
<br /> plasticity and toughness,saturated,no HC odor
<br /> -40 MW740 9/17/21 00
<br /> CI. Dark-green,CLAY with SILT(<10/o),medium
<br /> plasticity and toughness,saturated,no HC odor
<br /> -45 MW7-45 11/19/24 0
<br /> ML Green-gray,CLAYEY SILT,low plasticity,
<br /> saturated,no HC odor
<br /> Bentonite seal from 45'
<br /> SM Gtren-gray,SILTY FINE SAND,silt(-20 0, to 48'bsg
<br /> poorly sorted,saturated,no HC odor
<br /> #2112 sand from 48'to
<br /> 50- 605'bsg
<br /> MW7-50 9/14/20 0
<br /> SM Black-gray,FINE SAND,silt(<15%),well sorted,
<br /> saturated,no HC odor
<br /> Screened interval from
<br /> 50'to 60'bsg
<br /> -5 5 MW7-55 8/16/22 0u
<br /> SM Black-gray,FINE SAND,silt(<15%),well sorted,
<br /> saturated,no HC odor
<br /> 020 slot size
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