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Advanced ,BORING LOG
<br /> _ GeoEnvironmental, Inc.
<br /> 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
<br /> Date(s) Drilled: 21 July 2005
<br /> Notes: Below surface grade(bsg) a Water level during drilling
<br /> 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 /> 0LiWater-tight cap and
<br /> traffic rated cristy box
<br /> Cement grout seal from
<br /> 0.5'to 11'bsg
<br /> —5 MW5-5 8/9/9 0 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 /> -10 MW5-10 8/9/11 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 /> -15 MW5-15 9/11/12 0 ML:Brown,CLAYEY SILT;moist,low plasticity,
<br /> moderate consistency,moderate toughness,some
<br /> white mottling,no HC odor.
<br /> #3 Lonestar sand from
<br /> 13'to 35'bsg
<br /> —20— MW5-20 8/8/11 0 ML:Brown,CLAYEY SILT;saturated,low
<br /> plasticity,low consistency,low toughness,trace
<br /> medium-grained sand,no HC odor.
<br /> MW5-25 11/11/12 0 ML:Brown,CLAYEY SILT;saturated,low _ 0.020"slotted screen
<br /> -25 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 /> CH:Dark gray-blue,CLAY;very moist,high --
<br /> plasticity,high consistency,high toughness,no HC
<br /> odor.
<br /> —35 MWS-35 8/9/9 0 SW:Dark gray,SAND;saturated,well graded,fine- Cap at 35'bsg
<br /> to coarse-grained,no HC odor.
<br /> CH:Dark gray-blue,CLAY;very moist,high
<br /> plasticity,high consistency,high toughness,no HC
<br /> odor.
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