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Advanced BORING LOG
<br /> GeoEnvironmental, Inc.
<br /> 1 r, BOREHOLE NO.MW-2
<br /> �s 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: $Q'
<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'l Chapman
<br /> Reviewed By: Calvin Lee
<br /> Project No.: AGE-NC-01-0886
<br /> Date(s) Drilled: 02 and 03 May 2005
<br /> Notes: sz Water level during drilling Page 1 of 2
<br /> s 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 MW2-5 15/16/21 NM ML:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,very high consistency,moderate toughness,
<br /> no hydrocarbon(HC)odor.
<br /> –10 MW2-10 15/15/22 NM MI.:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,very high consistency,moderate toughness,
<br /> no HC odor.
<br /> –15 MW2-15 14/17/19 NM ML:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,very high consistency,moderate toughness,
<br /> no HC odor.
<br /> Neat cement from 0.5'to
<br /> ML:Brown,SILT;moist,low plasticity,low 56'bsg
<br /> –20 MW2-20 14/15/20 NM consistency,low toughness,no HC odor.
<br /> –25— MW2-25 17/17/22 NM ML:Dark brown,CLAYEY SILT;low plasticity,
<br /> high consistency,moderate toughness,some pea
<br /> gravel,no IIC odor.
<br /> 2"Diameter,Schedule
<br /> 40 PVC with 0.020"
<br /> slotted screen
<br /> –30 MW2-30 13/17/19 NM ML:Brown,SILT;moist,low plasticity,high
<br /> consistency,low toughness,some pea gravel,no HC
<br /> odor.
<br /> –35— MW2-35 17/18/20 NM ML Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,high consistency,moderate toughness,no
<br /> HC odor.
<br /> –40 MW2-40 18/19/21 NM ML:Dark brown,CLAYEY SILT;moist,low
<br /> plasticity,high consistency,moderate toughness,no
<br /> HC odor.
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