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Advanced FIELD LOG
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<br /> GeoEnvironmentai Inc.� � BOREHOLE NO MW-1
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 25 Feet
<br />' Project Yamada Brothers Drilling Co Mitchell Drilling
<br /> Site Location 15406 South Tracy Boulevard Rig/Auger Type CME-75HT/8"Dia Hollow Stem Augers
<br />' Stockton, California Logged By T Mikacich
<br /> Reviewed By N Henderson
<br />' Project No AGE-NC-00-98-0452
<br /> Date(s) Drilled 11/23/99
<br /> Notes Q Water level during drilling Page 1 of 1
<br />' m Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Weli Well
<br /> ID /ft (ppm) Symbol Soil Description Completion I Description
<br /> Q i
<br /> Cement grout seal from
<br /> I 0 5 to l'bsg
<br /> Bentonite seal from 1 to 3
<br /> bsg
<br />' 5 CL Brown,moist,LEAN CLAY,with some silt,
<br /> MW-1-5' 4/415 00 medium plasticity,trace gray to olive gray mottling,no
<br /> f 1 petroleum hydrocarbon(HC)odor
<br /> 4� SM Brown,wet,SILTY SAND,80%fine sand,20%
<br /> Silt,micaceous,no HC odor
<br /> 1 `
<br /> 10 MW 1.10' 6/8/10 Q 0 CH Light brown to dark brown,moist,FAT CLAY,
<br /> 3 sand from 3 to 25'bs
<br /> with trace silt,medium to high plasticity,no HC odor g
<br />' SP -SM Brown to gray,wet,POORLY GRADED
<br /> SAND WITH SILT 44%fine sand,10%silt,
<br /> micaceous,no HC odor
<br /> 1 �
<br /> 15' MVV-1-11' 7112114 00 w
<br /> CH Bron to dark brown,moist,FAT CLAY WITH Screen interval with/ / SAND,fine and medium sand,high plasticity,no HC
<br /> (0 02Q}from 5 to 25'bsg
<br /> odor
<br /> SC Brown,wet,CLAYEY SAND,80%fine sand,
<br /> 20%clay,trace silt,trace medium sand,micaceous,
<br />' trace organic matter,trace gray mottling,no HC od—J
<br /> or
<br /> 20 CL Brown to dark brown with dark gray,moist,LEAN ~�
<br />' MN'-1-20' 7/13!15 Q 0 CLAY,with trace silt and medium sand,medium
<br /> plasticity,no HC odor
<br /> CL Dark brown to dark gray,wet,LEAN CLAY with
<br /> some silt,low to medium plasticity,black to dark gray
<br /> 5 MW-1-25' 5l11/13 00 mottling,micaceous,no HC odor End cap at 25'
<br /> E
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