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Advanced BORING LOG
<br /> n GeoEnvironmental, Inc. BOREHOLE NO MW-5
<br /> 4005 North Wilson Way, Stockton, CA 95205
<br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 35�
<br />' Project Prem Dor Drilling Co Cascade Drilling, Inc
<br /> Site Location 433 West Scotts Avenue Rig/Auger Type LAR
<br /> Stockton, California Logged By Jo'1 M Chapman
<br />' Reviewed By Calvin F Lee
<br /> Project No AGE-NC-02-0950 Date(s) Drilled 21 July 2005
<br />' Notes Below surface grade(bsg) a Water level during drilling Page 1 of 1
<br /> = Water level in completed well
<br /> Sample Blows PID Sod USCS Class and Well Well
<br /> Depth ID 1 ft (ppm) Symbol Soil Description Completion Description
<br /> 0 Water-tight cap and
<br /> traffic rated cnsty box
<br /> Cement grout seal from
<br /> 0 5'to 11'bsg
<br /> MW5-5 81919 D ML Brown,CLAYEY SILT,moist,low plasticity,
<br /> low consistency,low toughness,no hydrocarbon 2"Schedule 40 PVC
<br /> (HC)odor blank well casing
<br /> 8"Boring diameter
<br /> • MW5 10 819111 0 ML Brown,CLAYEY SILT,moist,low plasticity,
<br /> low consistency,low toughness,no HC odor
<br /> Bentonite seal from 11'
<br /> to 13'bsg
<br />' _ 5 MW5-15 9111112 0 ML Brown,CLAYEY SILT,moist,low plasticity,
<br /> moderate consistency,moderate toughness,some
<br /> white mottling,no HC odor
<br /> 43 Lonestar sand from
<br /> Q 13'to 35'bsg
<br /> 1 =
<br /> –20 MW5-20 818111 0 ML Brawn,CLAYEY SILT,saturated,low
<br /> plasticity,low consistency,low toughness,trace
<br /> medium-griimed sand,no HC odor
<br /> 0 020"slotted screen
<br /> 25— MW5-25 11/11/12 0 ML Brown,CLAYEY SILT,saturated,low from 15'to 35'bsg
<br /> plasticity,low consistency,low toughness,trace
<br /> medium-grained sand,no HC odor
<br /> SW Dark gray,SAND,saturated,well graded,fine-
<br /> to coarse-grained,no HC odor
<br />' -30 MW5-30 10/10/12 0 SW Dark gray,SAND,saturated,well graded,fine-
<br /> to coarse-grained,no HC odor
<br />'
<br /> L
<br /> ark gray-blue,CLAY,very moist,high
<br /> ity,high consistency,high toughness,no HC
<br /> MW5-35 81919 0 FPIdor
<br /> k gray,SAND,saturated,well gradedt14C:J fine- Cap at 35'bsg
<br /> t -grained,no HC odor
<br /> k gray-blue,CLAY,very moist,hig
<br /> ,high consistency,high toughness,
<br /> 1
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