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Advanced BORING LOG
<br /> GeoEnviron mental, Inc. BOREHOLE NO.MW-3
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 801
<br /> Project: Former Blue Star Gasoline Drilling Co.: Cascade Drilling,Inc.
<br /> Site Location: 4040 East Main Street Rig/Auger Type: CME-75HT
<br /> Stockton,California Logged By: Jo'1 Chapman
<br /> Reviewed By: Calvin Lee
<br /> Project No.: AGE-NC-01-0886
<br /> Date(s) Drilled: 03 May 2005
<br /> Notes: 4 Water level during drilling Page 1 of 2
<br /> m Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0
<br /> Well cover Cristy box
<br /> –5 MW3-5 15/15/21 NM ML:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,high consistency,low toughness,no
<br /> hydrocarbon(HC)odor.
<br /> -10 MW3-10 15/16/21 NM ML:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,high consistency,low toughness,no HC
<br /> odor.
<br /> ML:Brown,SILT;moist,low plasticity,low
<br /> consistency,low toughness,no HC odor.
<br /> –15 MW3-15 14/16/20 NM ML:Brown,SILT;moist,low plasticity,high
<br /> consistency,low toughness,no HC odor.
<br /> Neat cement from 0.5'to
<br /> 56'bsg
<br /> –20 MW3-20 14/15/16 NM ML:Brown,SILT;moist,low plasticity,high
<br /> consistency,low toughness,no HC odor.
<br /> –25 MW3-25 16/19/22 NM ML:Brown,CLAYEY SILT;moist,low plasticity,
<br /> high consistency,low toughness,no HC odor.
<br /> 2"Diameter,Schedule
<br /> 40 PVC with 0.020"
<br /> slotted screen
<br /> –30 MW3-30 17/19/21 NM SM:Brown,SANDY SILT;saturated,poorly graded,
<br /> fine-grained,no HC odor.
<br /> ML:Brown,SILT;moist,low plasticity,low
<br /> consistency,low toughness,no HC odor.
<br /> –35— MW3-35 16/19/22 NM ML:Brown,CLAYEY Si1.T;moist,low plasticity,
<br /> moderate consistency,low toughness,no HC odor.
<br /> –40 MW3-40 17/19/21 1 ML:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,high consistency,low toughness,possible
<br /> slight HC odor.
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