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WEISS ASSOCIATES <br /> MONITORING WELL MW-1 <br /> OVA <br /> } GRAPHIC LOG DESCRIPTION <br /> 0 Asphalt <br /> w 4'PVC <br /> P4 _ <br /> casing Silty SAID(SM),dark reddish brown,loose, <br /> 5 damp, 10-3o*/e gilt,fine to medium dand,high <br /> 5 <br /> estimated permeability <br /> W 95 <br /> U <br /> P4 Grout - <br /> to -- <br /> 10 _ (Contact from driller) _ - - - - _ _ _ _ _ _ _ <br /> 10 _ - _ _ - <br /> -- r Sandy SILT(ML),grayish brown,loose to <br /> -- medium dense,damp,20-40%very fine to <br /> A -- <br /> Z _ line sand, moderate estimated permeability <br /> C) --- <br /> (Contact <br /> from driller) <br /> h• - - - - - - - - - - -- -- - - - - -- - - - - . <br /> t� - <br /> 15 15 Silty SAND (SP),light yellow-brown,loose, <br /> • a .. dry,2.5%silt,very fine to medium sand, <br /> strong gasoline odor,very high estimated <br /> opermeability <br /> 20 20 10.20%silt below 20 ft., strong gasoline <br /> ac odor from 20 tQ`24-5 ff. <br /> 25 25 - <br /> u Yellow-brown below 25 ft.,strong gasoline <br /> odor from 25 to 26.5 ft. <br /> o z s EXPLANATION <br /> 'i Water level during drilling (date) Logged by: Joseph P.TheisenSupervisor: Richard S.Weiss;EG 1112 <br /> Q Water Leve! (date) <br /> .�__ Contact (dashed where approx.) Drilling Company: Exploration Geoservices, San Jose, CA <br /> 1 1 1 1 1 Gradational Contact Driller: Tim Whitney <br /> Location of recovered drive sample Drilling Method: Hollow Stem Auger <br /> 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 /> Grab sample Hammer Weight/Throw: 140 IbsJ30 in. <br /> Boring Log and Well Construction Details MW-1 204 E. Lodi Ave., Lodi, CA <br />