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WEISS ASSOCIATES <br /> MONITORING WELL MW-1 <br /> SIVA <br /> taut GRAPHIC Ltd DESCRIPTION <br /> 0 <br /> Asphalt <br /> 4`PVC <br /> casing Silty SAND(SM),dark reddish brown,loose, <br /> - 5 5 damp, 10-30%silt,fine to medium dand, high <br /> estimated permeability <br /> _:.. <br /> Grout <br /> 10 10 -= (Contact from driller) <br /> , �. Sandy SILT(ML),grayish brown,loose to <br /> medium dense,damp, 20-40%very fine to <br /> fine sand,moderate estimated permeability <br /> rx -- -- (Contact from driller): <br /> - - - - --7 -- - -- - -- - <br /> 15 15 <br /> Silty SAND(SP),light yellow-brown, loose, <br /> dry,2-5%silt,vary tine to medium sand, <br /> �t strong gasoline odor,very high estimated <br /> 1 O permeability- <br /> 20 20 - - - 10-20%silt below 20 h.,strong go.-oline <br /> ' - odor horn 20 to 21.5 ft. <br /> A <br /> 25 25 <br /> Yellow-brown below 25 ft strong gasohne <br /> odor from 25 to 26.5 ft. <br /> - - - . - - -- - - - - - - - - - - - - - - - - <br /> oz . a <br /> n R.a,,. EXPLANATION <br /> LL = Water level during drilling (date) Logged by: Joseph P. Theisari <br /> 5Z Water Level (date) Supervisor. Richard B.Weiss,EG 1112 <br /> Contact(dashed where approx.) Drilling Company: Exploration Geoservices, San Jose, CA <br />#t k k r r k k 1 r Gradational Contact Driller: Tim Whitney <br /> Location of recovered drive sample Drilling Method: Hollow Stem Auger <br /> Location of drive sample collected for Dais Drilled: 22 July 87 to 23 July B7 <br /> chemical analysis Well Head Completion: Locking Well Cap and G 5 Christy Box <br />" Type of sampler: California ani!Standard Penetration <br /> Grab sample . <br /> Hammer Weight/Throw: 140 Ibs.130 in. <br /> Boring Log and Well Construction Details MW-1 204 E. Lodi Ave., Lodi, CA <br /> k:7 . <br /> L. <br />