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Advanced BORING LOG
<br /> GeoEnvironmental Inc.
<br /> �-. BOREHOLE NO.: IAS-4
<br /> r;
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> J (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 50 feet
<br /> Project: LARRY'S AUTO Drilling Co.: All Well Abandonment
<br /> Site Location: 308 North Grant Street Rig/Auger Type: CME75HT w/ 8-inch augers
<br /> Stockton Logged By: D. Villanueva
<br /> California
<br /> Reviewed By: W. Little
<br /> Project No.: AGE-NC 95-0184
<br /> Date(s) Drilled: 22 March 2013
<br /> Notes: Boring completed as 2" diameter = Water Level Before Drilling
<br /> Page 1 of 1
<br /> air sparging well. i Water Level After Drilling
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br /> ID (per 6") (ppm) Symbol Soil Description Completion Description
<br /> 0 % Well cover cristy box
<br /> -5 IAS4-5 16,20,20 0
<br /> ML:brown,dry,hard,SILT,some clay,no
<br /> hydrocarbon(HC)odor
<br /> -10 IAS4-10 15,15,19 0 ML: brown,dry,hard,SILT,some clay,no HC odor
<br /> -15 IAS4-15 7,10,15 0 ML:dark brown,dry,very stiff,SILT,some clay,no
<br /> HCodor Cement grout seal
<br /> from.5'to 38'bsg.
<br /> -20 CL: brown dry,very stiff,CLAY slightly plastic,no
<br /> IAS4-20 9,12,15 0 � Y� ry � � g y
<br /> HC odor
<br /> -25 IAS4-25 8,13,12 0 CL:gray, moist,very stiff,CLAY, silt present,
<br /> slightly plastic,no HC odor
<br /> -30 CL: brown,saturated,hard,CLAY,silty, no HC odor
<br /> IAS4-30 12,13,28 0 y
<br /> IAS4-35 7,7,20 0 ML:gray,saturated,very stiff,SILT,some fine
<br /> grained sand,slight HC odor
<br /> -40 ML:gray,saturated,very stiff,SILT,some fine Bentonite seal from 38'
<br /> IAS4 40 7,12,21 0 grained sand,slight HC odor to 42' bsg.
<br /> #3 sand from 42' to
<br /> -45 SM:gray,saturated,medium dense,SILTY SAND, 50'bsg.
<br /> IAS4-45 10112,15 72 Screened interval from
<br /> fine grained sand, HC odor
<br /> 43'to 48'bsg.
<br /> SC: brown to gray, moist,very stiff,CLAY,slightly Cap at 48'.
<br /> -50 IAS4-50 10,12,21 94 plastic, HC odor
<br /> -55
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