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Advanced BORING LOG
<br /> GeoEnvironmental Inc.
<br /> 7 � BOREHOLE NOMW-2
<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 /> '
<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 Date(s) Drilled 02 and 03 May 2005
<br /> Notes s Water level during drilling Page 1 of 2
<br /> aw Water level in completed well
<br /> Depth Sample Blows PID Sod USCS Class and Well Well
<br /> ' ID (per 6") (ppm) Symbol Sod 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 ML 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 T to
<br /> –20 MW2-20 14/15/20 NM ML Brown,SILT,moist,low plasticity,low
<br /> 56'bsg
<br /> consistency,low toughness,no HC odor
<br /> i
<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 HC odor 2"Diameter,Schedule
<br /> 40 PVC with 0 020"
<br /> slotted screen
<br />' MW2-30 13/17/19 NM ML Brown,SILT,moist,low plasticity,high
<br /> –3 0 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 />' MW2-40 18/19/21 NM ML Dark brown,CLAYEY SILT,moist,low
<br /> –4 0 plasticity,high consistency,moderate toughness,no
<br /> HC odor
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