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`U I GROUNDWATER <br /> TECHNOLOGY INC. <br /> Monitoring Well Drilling Log <br /> Project Owner_ E\_ C _?E = 1i nQ oAtI;CSketch Mop <br /> Location_ c cz�:,.�a. Project Number- 90'7/1:;r)_415_Q_ _ <br /> Date Drilled- 5/1/90 Total Depth of Hole 49.5 ftDlameter- 10.5 in. SEE SITE PLAN <br /> Surface Elevation Water Level Initial-__40 ft24-hour__ <br /> Screen: Dlo.. d in- Length 90 f' Slot Size .020 in. <br /> Casing: Dia. 4 in- Length 29.5 ft. Type -!C <br /> Drilling Company Sierra Pacific Drilling Method Holioia stem auger <br /> Driller C. .DeSQQiO Log by M. OstendQrf Notes; X-no sample <br /> Geologist / Engineer-E.K• Simonis _License No. - R.G. 'Laa7? recovered <br /> s Descrlptlon/Soil Classification <br /> (Color. Texture. Structures) <br /> 4 inches asphalt <br /> tan, gravelly sand (moist, no product odor) <br /> 2 'sw: <br /> 6 <br /> Light broim, silty clay (very stiff, moist, no <br /> 4 product odor) <br /> A <br /> 0 11 <br /> 6 is <br /> 6 CL <br /> �nn <br /> 10- $ <br /> 12 <br /> 0 17 (grades hard) <br /> 23 <br /> 12- <br /> .A <br /> �l <br /> Light brown, clayey silt (hard, moist, no product <br /> 14 0: odor) <br /> 13C <br /> 16 :.� 0 18 <br /> 30 ML <br /> p <br /> i O: <br /> 1 O <br /> X. q:• Tan, silty clay (hard, moist, no product odor) <br /> 20 D <br /> o: 7 <br /> 0 14 CL <br /> 17 <br /> 22 0: <br /> i <br /> Brown, clayey silt (very stiff, moist, no product <br /> 24o a M,Lodor) <br /> a/ea REY c <br /> page 1 of 2 <br />