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<br /> Advanced I BORING LOG
<br /> GeoEnvlronmental, Inc. BOREHOLE NO.. MW-4
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> 1 (209)467-1006 FAX: (209)467-1118 ' TOTAL DEPTH: 78'
<br /> Project: NATIONAL FREIGHT Date(s) Drilled: 14 February 2002
<br /> Project No.: AGF.-NC-98-0497 Page2 of 3
<br /> Sample Blows 'i PID Soil ' USCS Class end Well Well
<br /> Depth ID (per 6") (ppm) !Symbol j Soil Description Completion i Description
<br /> SMIML:SANDY SILT/SILTY S kND,approximately
<br /> i I = equal percentages One sand and nes,moderate brown,
<br /> =
<br /> _ damp,hard/dense to very dense, 0%recovery.
<br /> -3 0 I MW4-30 12/27/33 0 — - - — -
<br /> -
<br /> T- CL:SILTY CLAY,low plasticit ,medium toughness,
<br /> LIU trace of micas,dark yellowish br wn,damp,hard,
<br /> 100%recovery.
<br /> MW4-35 ISl30/43 0
<br /> TCL:Middle brass sleeve contained SILTY CLAY,
<br /> medium plasticity,medium toug Iness,micaceous,
<br /> modcrate yellowish brown,darnli,hard,70%recovery.
<br /> -40 MW4-40 17/30/41 0 SM1ML:Shoe contained SILTY SAND/SANDY SILT, !
<br /> approximately equal percentages of fine sand and fines,
<br /> moderate yellowish brown,dam .
<br /> SM:SILTY SAND,fine sand,a proximately 40%
<br /> fines,moderate yellowish brown moist,very dense,
<br /> 70%recovery.
<br /> -45 MW4-45 25150-6 0 --_.—
<br /> _—= ML:SANDY SILT,approxi mat Iy 40%fine sand,
<br /> moderate brown,moist,hard,5 %recovery.
<br /> -5D MW4-50 21150 b 0
<br /> —_-_ ML:Middle brass contained SI T with SAND, Bentonite seal from 51'
<br /> approximately 25%Fine sand,n ioderate brown,moist, I I to 56' bsg.
<br /> hard,70%recovery.
<br /> -5 5 MW4-55 16/29/40 0
<br /> SP:Bottom brass sleeve contai ed POORLY GRADED i
<br /> SAND,trace of fines,fine sand moist,moderate
<br /> brown,dense,70%recovery.
<br /> CL:SILTY CLAY,medium pl sticity,medium
<br /> toughness,trace of micas,light olive gray,moist,hard,
<br /> 85%recovery.
<br /> -6 0— MW4-60 16/20/36 0
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