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GROUNDWATER <br /> TECHNOLOGY, INC. <br /> Monitoring Well 7 Drilling Lo� <br /> Project Towner se,mca Ref_ini rig -mn Sketch Map <br /> Location Stoc)ftor.L Ca. Project Number 202/150-4150 <br /> Date Drilled 2/9/90 Total Depth of Hole 4211 Diameter SEE SITE PLAN <br /> Surface Elevation Water Level Initlol_.._3�t• 24-hour <br /> Screen: Dla. 4 in. Length 20 ft. Slot Size .02Q in.— <br /> Coalng: Dla 4 an. Length 22 ft_ Type TDIVO <br /> Drilling Company- SiparraPac-fic- Drilling Method-Ho11ox �t.Prn A„rsar <br /> Driller E Fruehauf Log by M. Ostendorf Notes: X-no sample <br /> Geologist / Engineer E.K. Samonas License No. R.G. ;#4422 .recovered <br /> $ Descriptlon/Soil Classification <br /> � <br /> Color, Texture,� � Structures) <br /> 0 6 inches concrete <br /> a <br /> 2 <br /> Brown, sandy clay (moist, na product odor) <br /> ° <br /> 4 <br /> O <br /> 4 a° p CL <br /> A <br /> 3 <br /> 6 p ° 6 (grades medium stiff) <br /> 8 <br /> o - -- �Light�brown;silty=clay-(vezy=st).ff,d - - - <br /> a g odar) rY. no product <br /> �0 - - - <br /> - - - - -7 - - — '- - - - - - -- - <br /> ° 0 22 <br /> 32 • <br /> CL <br /> 1 a %0 <br /> e c <br /> s <br /> 7 6 00 ° S <br /> 12 <br /> jg Gray-broi%m, clayey salt (very staff, moist, slight <br /> • product odor) <br /> 20 0 D a <br /> •- s <br /> y° ML <br /> 10 <br /> 22 <br /> 24 (grades silty clay) <br /> CL <br /> a/sa rt'Ev c <br /> pageof <br />