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Advanced BORING LOG
<br /> GeoEnvironmental Inc.
<br /> �-. BOREHOLE NO.: IAS-1
<br /> r;
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> J (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 63 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: 19 March 2013
<br /> Notes: Boring completed as 2" diameter = Water Level Before Drilling 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 — 00� Well cover cristy box
<br /> -5 IAS1-5 4,4,5 0
<br /> ML:dark brown,dry,stiff,SILT, no hydrocarbon
<br /> (HC)odor
<br /> -10 IAS1-10 12,12,14 0.2 ML:tan,dry,very stiff,SILT, HC odor
<br /> -15 IAS1-15 9,11,18 774 ML:tan to gray,dry,very stiff,SILT, HC odor
<br /> CL:dark brown,moist very stiff,CLAY some silt
<br /> 20 slightly plastic,strong HC odor
<br /> IAS1-20 8,8,12 1,873
<br /> -25
<br /> IAS1-25 12,15,18 1,521 SM: mottled to brown, moist,very stiff,CLAY, Cement grout seal
<br /> slightly plastic,strong HC odor from.5'to 55'bsg.
<br /> -30 CL: brown to gray, moist,very stiff,CLAY,slightly
<br /> IAS1-30 10,10,12 1,360 plastic,strong HC odor
<br /> IAS1-35 9,13,19 1,581 SM:gray,saturated,dense,SILTY SAND,fine
<br /> grained sand,strong HC odor
<br /> -40 IAS1-40 12,14,19 1,541 CL:gray,moist,hard,CLAY,some silt,slightly
<br /> plastic,FIC odor
<br /> -45 IAS1-45 9,15,17 551 CL:gray,moist,hard,CLAY,some silt,slightly
<br /> plastic,HC odor
<br /> -50 IAS1-50 15,20,22 1,207 CL:gray,moist,hard,CLAY,some silt,slightly
<br /> plastic,strong HC odor
<br /> -55— IAS1-55 13,20,24 344 Bentonite seal from 55'
<br /> ML:gray,moist,hard,SILT,some clay,plastic, HC
<br /> odor to 59' bsg.
<br /> #3 sand from 59' to
<br /> 60 63'bsg.
<br /> IAS1-60 12,15,21 1,300 ML:gray,moist,hard,SILT,some clay,plastic, HC Screened interval from
<br /> odor 60'to 62'bsg.
<br /> IAS1-63 18,20,24 1,214 Cap at 62'.
<br /> -65 ML:gray,moist,hard,SILT,some clay,plastic, HC
<br /> odor
<br /> -70
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