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Advanced BORING LOG
<br /> GeoEnvironmental� Inc.
<br /> � BOREHOLE NO MW-5
<br /> 4005 North Wilson Way, Stockton, CA 95205 t
<br /> 1 (209) 467-1006 FAX (209)467-1118 TOTAL DEPTH 35
<br /> Project Vanco Truck&Auto Plaza Drilling Cc Mitchell Drilling Environmental
<br />' Site Location 1033 West Charter Way Rig/Auger Type CME-7518-inch HSA
<br /> Stockton, California Logged By Jo'l M Chapman
<br />' Protect No AGE-NC-02-0962 Reviewed By Calvin LeeDate(s) Drilled 29 July 2005
<br /> Notes a Water level during drilling Page 1 of 1
<br />' = Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br />' ID /ft (ppm) Symbol Soil Description Completion Description
<br />' 0
<br /> –5 MW5-5 619!10 0 ML Brown,CLAYEY SILT,slightly moist,low
<br /> plasticity,high consistency,low toughness,no
<br /> hydrocarbon(HC)odor Portland neat cement
<br /> from 0 5'to 11'bsg
<br /> –10 MW5-10 51617 0 ML Brown,CLAYEY SILT,slightly moist,low
<br /> plasticity,high consistency,low toughness,some HC
<br /> staining and white mottling,HC odor Bentonite seal from 11'
<br /> to 13' bsg
<br />' –15 MW5-15 41617 0 ML Brown,CLAYEY SILT,moist,low plasticity,
<br /> high consistency,low toughness,trace very fine sand,
<br /> some HC staining and white mottling,HC odor
<br /> –20— MW5-20 41416 0 ML Brown,SANDY SILT,very moist,low #3 sand from 13'to 35`
<br /> plasticity,low consistency,low toughness,well
<br /> graded,fine-grained,no HC odor bsg
<br /> SZ
<br /> –25— MW5-25 416111 0 ' `i;: ML Brown,CLAYEY SILT saturated low
<br /> plasticity,high consistency,low toughness,some HC 0 010"slotted screen
<br /> staining,slight HC odor from 15'to 35'bsg
<br /> CL Gray brown,CLAY,moist high plasticity,high
<br /> consistency moderate toughness,no HC odor
<br /> –30 MW5-30 6!7111 0 L CL Gray brown,CLAY,saturated,high plasticity,
<br /> high consistency,moderate toughness,no HC odor
<br /> SM Gray,SILTY SAND,saturated,low plasticity,
<br /> low consistency,low toughness,well graded,fine-to
<br /> medium-grained,no HC odor
<br /> CL Gray brown,CLAY,saturated,high plasticity,
<br /> –35 MW5-35 617114 0 high consistency,moderate toughness,no HC odor End cap at 35'bsg
<br /> –9 0 SP Gray,SAND,saturated,poorly graded,
<br /> fine-grained,micaceous,no HC odor
<br />
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