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Advanced BORING LOG
<br /> GeoEnvironmental Inc.
<br /> ' BOREHOLE NO MW-6
<br /> �1y5 4005 North Wilson Way, Stockton, CA 95205
<br />' (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 35'
<br /> Project Vanco Truck&Auto Plaza Drilling Co Mitchell Drilling Environmental
<br />'
<br /> Site Location 1033 West Charter Way Rig/Auger Type CME-7518-inch HSA
<br /> Stockton, California Logged By Jo'1 M Chapman
<br /> Protect No AGE-NC-02-0962 Reviewed By Calvin Lee
<br /> Date(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 />' o
<br />' –5 MW6-5 3/7/13 0 UPPER BACKFILL Black FILL MATERIAL,
<br /> moist,some gravel no hydrocarbon(HC)odor
<br /> ML Brown,CLAYEY SILT,moist,low plas�Hk
<br /> Portland neat cement
<br /> low consistency,low toughness,some gravelfrom 0 5'to 11'bsg
<br /> odor
<br /> –10 MW6-10 5/5/7 0 f '; ; i ML Brown,CLAYEY SILT,moist,low plasticity,
<br /> low consistency,low toughness,some gravel,no HC
<br /> odor Bentonite seal from 11'
<br /> to 13' bsg
<br /> –15 MW6-15 4/6/9 0I ML Brown,CLAYEY SILT,moist,low plasticity,
<br /> low consistency,low toughness,some gravel,no HC
<br /> odor
<br /> –20— MW6-20 4/5/7 0I i ML Brown,SANDY SILT,very moist,low
<br /> plasticity,low consistency,low toughness, #13 sand from 13'to 35'
<br /> fine-grained,no HC odor bsg
<br /> Q
<br /> –25 MW6-25 6/7/9 0 { ML Brown,SANDY SILT,saturated,low plasticity,
<br /> low consistency,low toughness,fine-grained,no HC 0 010"slotted screen
<br /> odor from 15'to 35'bsg
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<br /> 30— MW6-30 515/7 12 SM Gray,SILTY SAND,saturated,low plasticity,
<br /> low consistency,low toughness,very fine-grained
<br /> sand,slight HC odor
<br />■ 3 5 MW6-35 6/7/9 1 SP Gray,SAND,saturated,poorly graded, End cap at 35'bsg
<br /> % fine-grained,micaceous,slight HC odor
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<br /> -40
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