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Advanced BORING LOG
<br /> �� . GeoEnvironmental, Inc.
<br /> BOREHOLE NO.IVIW-1
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 85'
<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: J01 Chapman
<br /> Reviewed By: Calvin Lee
<br /> Project No.: AGE-NC-01-0886 Date(s) Drilled: 02 May 2005
<br /> Notes: sz Water level during drilling Page 1 of 1
<br /> !v 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 /> SP:Brown,SAND;dry,fine-grained backfill,no Well cover Cristy box
<br /> hydrocarbon(HC)odor.
<br /> –5 M\Vl-5 NM
<br /> –10 MWI-10 NM
<br /> –15 MWI-15 175 . SM:Brown,SIL•fY SAND;dry,poorly graded,
<br /> fine-grained,HC staining,strong}IC odor.
<br /> ML:Brown,SIL•I';moist,low plasticity,low•to high Neat cement from 0.5'to
<br /> _20— MWI-20 77 consistency,low toughness,HC staining,strong HC 56'bsg
<br /> odor.
<br /> -25 MWI.25 5
<br /> 2"Diameter,Schedule
<br /> 40 PVC with 0.020"
<br /> –30 MWI-30 8 slotted screen
<br /> -35 MWI-35 302 ML:Brown,CLAYEY SILT;moist,low plasticity,
<br /> high consistency,low toughness,HC staining,I IC
<br /> odor.
<br /> –40 MWI.40 NSI
<br /> ML:Brown,SILT;moist,low plasticity,low
<br /> - consistency,low toughness,HC staining,strong HC
<br /> –45 MWI-45 2 odor.
<br /> –50— MW1-50 2
<br /> SM:Brown,SILTY SAND;moist,poorly graded,
<br /> –55 fine-grained,HC odor
<br /> 1\4WI.55 2 ML:Brown,SILT;moist,low plasticity,low
<br /> 1 Y Bentonite chip seal from
<br /> consistency,low toughness,HC staining,HC odor. 56'to 58'bsg
<br /> –60 _ MWI-60 8
<br /> SM:Brown,SILTY SAND;moist,poorly graded,
<br /> fine-grained,HC odor.
<br /> MWl-65 5
<br /> ML:Brown,CLAYEY SILT;moist,low plasticity,
<br /> –70MWI-70 2 moderate consistency,low toughness,nu HC odor. K3 Loncstar sand tiller
<br /> Q SM:Brown,SILTY SAND;saturated,poorly graded, — pack from 58'to 85'bsg
<br /> fine-grained,no HC odor.
<br /> –75—
<br /> Mwl-75 1
<br /> ML:Brown,SILT;saturated,low plasticity,low _
<br /> consistency,low toughness,no HC odor.
<br /> –80— MWl-80 3 Cap at 80'bsg
<br /> SM:Brown,S1L'PY SAND;saturated,well graded,
<br /> fine-to medium-grained,no HC odor.
<br /> –85 MWI-85 NM JJJJ SM:Brown,SANDY SILT;saturated,poorly graded,
<br /> Fine-grained,no HC odor.
<br /> –90 ML:Brown,SILT;saturated,low plasticity,low
<br /> consistency,low toughness,no IIC odor.
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