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Advanced BORING LOG
<br /> GeoEnvironmental, Inc. BOREHOLE NO.: MW-2
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: $Q'
<br /> Project: Former Blue Star Gasoline Date(s) Drilled: 02 and 03 May 2005
<br /> Project No.: AGE-NC-01-0886 Page 2 of 2
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> –45— MW2-45 13/15/20 NM ML:Brown,SILT;moist,low plasticity,moderate
<br /> consistency,low toughness,no HC odor.
<br /> –50— MW2-50 15/15/19 NMML:Brown,SILT;moist,low plasticity,moderate
<br /> consistency,low toughness,no HC odor.
<br /> ,ML:Brown,CLAYEY SILT;moist,moderate
<br /> plasticity,moderate consistency,low toughness,no
<br /> HC odor.
<br /> —5 5 MW2-55 15/17/18 NM ML:Brown,SILT;moist,low plasticity,low
<br /> consistency,low toughness,no HC odor.
<br /> Bentonite chip seal from
<br /> 56'to 58'bsg
<br /> -60— MW2-60 12/13/19 NM Brown,
<br /> toY SILT;sp
<br /> lasticity,
<br /> high consistency,low toughness,no HC dor
<br /> Q
<br /> MW2-65 15/16/17 NM ML:Brown,SILT;very moist,low plasticity,low
<br /> consistency,low toughness,no HC odor.
<br /> —70MW2-70 17/19/21 NM SM:Brown,SANDY SILT;saturated,poorly graded,
<br /> very fine-grained,no HC odor. #3 Lonestar sand filter
<br /> pack from 58'to 80'bsg
<br /> _75— MW2-75 18/1922 NM . . . . . SM:Brown,SANDY SILT;saturated,poorly graded,
<br /> very fine-grained,no HC odor.
<br /> SW:Brown,SAND;saturated,well graded,fine-to
<br /> coarse-grained,no HC odor.
<br /> ML:Brown,CLAYEY SILT;saturated,low
<br /> plasticity,high consistency,low toughness,no HC
<br /> –80 MW2-80 17/17/20 NM odor. Cap at 80'bsg
<br /> SM:Brown,SANDY SILT;saturated,poorly graded,
<br /> fine-grained,no HC odor.
<br /> –85 ML:Brown,CLAYEY SILT;saturated,low
<br /> plasticity,high consistency,low toughness,no HC
<br /> odor.
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