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Drilling Log
<br /> ITIT CORPORATION Monitoring Well- MW--1
<br /> A Member of the IT croup
<br /> 7-Eleven, SS,# 14111 T-Eleven, lnc. See Site Map
<br /> Project. Owner For Boring Location
<br /> Location 2725 Country Club Blvd, Stockton, CA Prol.No, 179988
<br /> Surface Eley. Total Hole Depth 30 ft. Diameter sin. COMMENTS.
<br /> lop of Casing water Level Initial 18 fl. Static 7.8 ft.
<br /> screen_Dia 2 in- Length 20 ft- Type/Size Sch 4010-020 slot in.
<br /> Casing[Na 2 in- Length 10 ft. Type Sch, 40 PVC
<br /> Fit Material #3 Sand Rig/Core 0-101SAlit Spoon
<br /> Drill Co. Gregg 01MAQ Method Hollow Stem Auger
<br /> Drier Chris Log By Jon Ph'lipp pate 05113/99 Permit f
<br /> Checked lay Ed Simonis License No- California RG#4422
<br /> C:
<br /> Description
<br /> nr v a a�
<br /> �. 3e a Q a W-i N (Color, Texture, Structure)
<br /> o e0 ° s u) Trace C 10%, Little 10% to 20%. Some 20% to 35%. And 35% to 50%
<br /> 2-
<br /> 0 , 2" Asphalt over sandy GRAVED_ (30,70): brown, dry, loose, no
<br /> { =� aw hydrocarbon.
<br /> 2 < < Silty CLAY (40,60): mottled dark gray, medium brown and olive,
<br /> mostly dry, slightly plastic, no hydrocarbon odor.
<br /> 4 ` CL
<br /> O Hit-yes S
<br /> 6 e Sandy..pebbiy CLAY (10,30,60): brown, slightly moist, stiff, no
<br /> hydrocarbon odor,
<br /> 8 Static 5/14/99.
<br /> O xH-t@R' 4
<br /> 5 Clayey SILT (40,60): olive brown, slightly moist, stiff, no
<br /> _
<br /> 10 g " hydrocarbon odor.
<br /> 12 —
<br /> 14 — 3 Kx-196 s Clayey.SILT (10,90): mottled brown and green, loose, faint
<br /> g ML hydrocarbon odor (?).
<br /> 18 Groundwater Encountered, 5/13/99 L3930 hrs.
<br /> 15 !;HART T
<br /> 15
<br /> 120— 20 Medium SAND, (100): gray, wet. loose, subrounded to subangular-, no
<br /> r
<br /> 15 hydrocarbon odor, NO RECOVERY (heaving sand)_
<br /> —
<br /> 22 —_ - 20
<br /> SP
<br /> 24 —
<br /> 75 HWAM 1s
<br /> 24
<br /> _ 37 Medium SAND (100): green/gray, wet, loose, faint hydrocarbon odor
<br /> 26 with clay stringers (100)-
<br /> 28_
<br /> 20 H1r-1@30' ML
<br /> H18 Clayey SILT (10,90): medium blue grieen,moderately loose, moist,
<br /> 30 35 no hydrocarbon odor,
<br /> 32
<br /> Obrlerlges raaog-Marx age: t of l
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