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Advanced FIELD LOG
<br />'
<br /> GeoEnvironmenfal Inc.� BOREHOLE NO MW-3
<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 Date(s) Drilled 11/23/99
<br /> Notes 4 Water level during drilling page 1 of 1
<br /> 5c Water level to completed well
<br /> Depth Sample Blows PID Sod USCS Class and Well Well
<br /> 1D I fl (ppm) Symbol Soil Description Completion Description
<br /> 0
<br /> Cement grout seal from
<br /> 0 5 to l'bsg
<br /> Bentonite seal from 1 to 3'
<br /> bsg
<br /> 5 ML Brown,moist,SILT,with some clay,micaceous,
<br /> MW-3-5' 2/314 00 trace iron oxidation,trace gray mottling,no petroleum
<br />' hydrocarbon(HC)odor
<br /> E
<br /> Dark brown to dark gray,moist,LEAN CLAY
<br /> h some sett,micaceous,medium plasticity,no HC
<br /> r
<br /> 10 CL Same as above,with dark gray mottling
<br /> M W-3-10' 41519 0 0 � #f3 sand from 3 to 25'bsg
<br /> ML Brown,wet,SILT,with some clay,trace dark •—�
<br /> brown mottling,no HC odor
<br /> 15 CL Dark brown to gray,moist,LEAN CLAY,with
<br /> MW-3-15' 6110116 00 _ _ some silt,medium plasticity,trace organic matter,no Screen interval w oh
<br /> ——^ HC odor (0 020)from 5 to 25 bsg
<br /> ML Brown to gray,moist,SILT,with some clay,no NEI
<br /> HC odor
<br /> 20 CL Brown to gray-green,moist,LEAN CLAY,with
<br /> MW-3-20' 10/12/15 00 __ some silt,no HC odor
<br /> ML Brown to grav-green,moist,SILT,with some clay,
<br /> no HC odor
<br /> I
<br /> 5 MW-3-25' 8112118 00 ==y ML Dark gray,wet,SILT micaceous,no HC odor End cap at 25'
<br /> _ _
<br /> CL Brown,moist,CLAY,stratified,no HC odor
<br /> SM Brown to gray,wet,SILTY SAND predominantly
<br /> fine sand,20%silt fines,no HC odor
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