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<br /> Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO MW-14B
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 74 FEET
<br /> Project WEST CLAY PROPERTIES Drilling Co Mitchell Drilling Environmental
<br /> Site Location 639 West Clay Street Rig/Auger Type CME 75 HT
<br /> tStockton, California Logged By Paul Dotson
<br /> Reviewed By Calvin Lee
<br />' Project No AGE-NC-96-0235 Date(s) Drilled 12 November 2002
<br /> Notes Total depth of boring 70'below surface grade Boring Q Water level dun ng drilling Page 1 of 2
<br /> completed as 2-mch diameter ground water momtormg well i Water level in completed well
<br /> PID
<br /> SCS Class and Well
<br /> Depth Sample (per 6�) (ppm) Symlbol USoi Description Completion Des Well
<br /> 1
<br />' 0 Well cover ensty box
<br />' ML CLAYEY SILT,dry,brown,no petroluem
<br /> hydrocarbon(HC)odor,601/6 recovery
<br /> -5 MW1413-5 8112/1$ 0
<br />' — _ SP-SM POORLY GRADED SAND with SILT,fine
<br /> -10— — — — sand,dry,brown,no HC odor,100%recovery
<br /> MW1413-10 5/20/30 Q
<br /> 1
<br />' — SP-SM POORLY GRADED SAND with SILT,fine
<br /> -15 sand,moist,brown,no HC odor,1000/*recovery
<br /> M W 14B-L 5 18/37/21 0
<br /> SP-SM POORLY GRADED SAND with SILT,coarse
<br />' sand,approximately 100%fines,some fine gravel,
<br /> Twist,no HC odor,80%recovery
<br /> —� SP-SM POORLY GRADED SAND with SILT,fine
<br />' -
<br /> 20— — — _ sand,saturated,brown,no HC odor, 100%recovery
<br /> M W l 4B-20 9116/27 0 Cement grout seal from
<br /> Y to 60'bsg
<br /> 1
<br /> CL CLAY,medium toughness,medium plasticity,
<br />' - 5 saturated,brown,no HC odor
<br /> MW14131-25 11/17/22 0
<br /> CH FAT CLAY,medium toughness,high plasticity,
<br /> ` saturated,olive green,slight HC-like odor,100%
<br /> 4\ recovery
<br /> CH FAT CLAY,medium toughness,high plasticity,
<br /> -3 0 saturated,olive green,HC-like odor,100%recovery
<br /> MW14B-30 14/22/46 0 Shoe contained SILTY SAND,fine sand,gray
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