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WEISS ASSOCIATES <br /> MONITORING WELL MW-2 <br /> 04A <br /> Lpww) GRAPHIC LOG DESCRIPTION <br /> 0 " - -- <br /> " - --- <br /> w <br /> 4"PVC -- - <br /> •` casing ---_ <br /> 5 ., ., <br /> g _ _ Silty SAND(SM),red-brown,loose,dry, <br /> 10-20'/e silt,fine to medium sand,high <br /> .. ......- <br /> w estimated permeability <br /> Concrete - --- <br /> 174 ., - <br /> " 10 - <br /> 10 •` •• - - <br /> A _ _ Mottled yellow, medium dense,damp,<50/. <br /> Z clay,low to moderate estimated permeability <br /> CD ., below 11.5 ft. <br /> .. <br /> - <br /> 0 <br /> w Grout <br /> P:1 — — — <br /> 20 20 -- - <br /> a• <br /> w SAND(5P),yellow-brown, loose,dry,<5% <br /> A <br /> 25 25 silt, 5.10%well rounded quartz pebbles to <br /> 1/8",very high estimated permeability <br /> 0 2 4 6 <br /> EXPLANATION <br /> = Water level during drilling (date) logged by: Joseph f. Theisen <br /> Q Water Level (date) Supervisor: Richard B.Weiss;EG 1112 <br /> -- Contact (dashed where approx.) Drilling Company: Exploration Geoservices, San Jose, CA <br /> r 11 r,r l r Gradational Contact Driller: Tim Whitney <br /> Location of recovered drive sample Drilling Method: Hollow Stem Auger <br /> Date Drilled: 23 July 87 <br /> Location of drive sample collected for <br /> chemicanalysis Well Head Completion: Locking Well Cap and G-5 Christy Box <br /> . Grab sample Type of sampler: California and Standard Penetration <br /> Hammer Weight/Throw: 140 ibsJ30 in. <br /> Boring Log and Well Construction Details MW-2 204 E. Lodi Ave., Lodi, CA <br />