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WEISS ASSOCIATES I <br /> MONITORING WELL MW-1 <br /> OVA <br /> (Pp�) GRAPHIC LOG DESCRIPTION <br /> — 0 Asphalt __ <br /> F <br /> w <br /> w 4'PVC <br /> jilt. casing Silty SAND(SM),dark reddish brown,loose, <br /> 5 5 damp, 10-30%silt,fine to medium dand,high <br /> estimated permeability <br /> w Grout <br /> x <br /> 10 - ; (Contact from driller) <br /> 10 :.-...-.... <br /> -- Sandy SILT(ML),grayish brown,loose to <br /> medium dense,damp,20-40%very fine to <br /> fine sand, moderate estimated permeability <br /> O ----- <br /> 9y '-'•"' " (Contact from driller) <br /> ---- <br /> 15 15 <br /> Silty SAND(SP),light yellow-brown,Bose, <br /> dry,2-5%silt,very fine to modium sand, <br /> - strong gasoline odor,very high estimated <br /> `'•� p permeability <br /> � 20 20 - _- <br /> 10-20%silt below 23 h., strong ga dine <br /> _ odor from 20 to 21.5 4, <br /> 1� <br /> F <br /> ui °^ <br /> w <br /> a <br /> 25 25 <br /> Yellow-brown below 25 ft.,strong gasoline <br /> 14 <br /> odor from 2510 26.5 ft. <br /> - - - - - - - - - - - - - - - - - - - - - -- - <br /> r <br /> EXPLANATION <br /> Ir` = Water level during drilling(date) Logged by: Joseph P. Theisen <br /> Q Water Level (date) Supervisor: Richard B.Weiss;EG 1112 <br /> Contact (dashed where approx.) Drilling Company: Exploration Gaoservices, San Jose, CA <br /> i r r r r i r r Gradational Contact Driller: Tim Whitney <br /> Drilling Method: Follow Stem Auger <br /> Location of recovered drive sample Date Drilled: 22 July 87 to 23 July 87 <br /> . Location of drive sample collected for Well Head Completion: Locking Well Cap and G-5 Christy Box <br /> chemical analysis Type of sampler: California and Standard Penetration <br /> t� Grab sample Hammer Weight/Throw: 140 lbs./30 in. <br /> Li <br /> t Boring Log and Well Construction Details MW-1 204 E. Lodi Ave., Lodi, CA <br /> 6 <br />