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Advanced BORING LOG
<br /> GeoEnvironmental, Inc.' BOREHOLE NO MW-1413 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 70 FEET
<br />' Protect WEST CLAY PROPERTIES Date(s) Drilled 12 November 2002
<br /> Protect No AGE-NC-96-0235 Page 2 of 2
<br />'
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br />' CH FAT CLAY,medium toughness,high plasticity,
<br /> -35— saturated,olive green,slight HC-like odor,40%
<br /> MW14B-35 10/20/26 0 recovery
<br /> 1
<br /> CH FAT CLAY,medium toughness,high plasticity,
<br /> 40— saturated,olive green,slight HC-like odor,80%
<br /> MW1413-40 13/21/50 0 recovery
<br /> for 6"
<br /> CL IML SILTY CLAY,medium toughness,low
<br /> 45— MW14B-45 26/50 0 plasticity,saturated,gray,no HC odor,60%recovery
<br /> For 6"
<br />' - - CIJML SILTY CLAY,medium toughness,low
<br /> -50
<br /> plasticity,saturated,gray,no HC odor,100%recovery
<br /> MW14$-40 18/25/50 0
<br /> for 6"
<br />' CH FAT CLAY,saturated,gray,slight HC-like odor,
<br /> -55 85%recovery
<br /> M W 148-55 --- 0
<br /> CH FAT CLAY,saturated,gray,slight HC-hke odor,
<br /> -
<br /> 60— 70%recovery
<br /> MW1413-60 12/21/50 0
<br /> for 6"
<br /> Bentonite seal from 60'
<br /> to 63' bsg
<br /> CH FAT CLAY,saturated,gray,slight HC-hke odor
<br /> ----------------
<br /> - 5 MW 1413-65 15/36/50 0 SP/CL CLAYEY SAND,fine sand,saturated,olive #3 sand from 63'to 70'
<br /> for 4" Been,no HC odor,90%recovery bsg
<br /> Screened interval from
<br /> 65'to 70'bsg
<br /> SP POORLY GRADED SAND,medium sand,trace
<br /> -70— fine gravel,approximately 5%fines,saturated,gray,no
<br /> IMW14B-70 10/16/25 0 HC odor Cap at 70'
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