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X777 <br /> 1 <br /> MA <br />' WEISS ASSOCIATES <br /> WELL MW-5 (B-s) <br /> FV <br /> (ma)GRAPHIC LOG DESCRIPTION <br /> 0 ' ' " Asphaft,concrete and base rock <br /> Portland <br /> P4 Cement& Silty CLAY(CL),dark yellowish brown,very <br /> P4 5%Bentonite -r'= stiff,damp, 20-40%fine sand,low est K <br /> FA <br /> 5 —_ <br /> w 4'PVC ---- — _ <br />' c) Casing — <br /> P4 <br /> Clayey SAND/Sandy CLAY(SC/CL),light <br /> �y brown,stiff, medium dense,damp,20-300% <br /> -- silt,fine sand,low to mod est K <br /> to --,-- <br /> 10 10 — <br /> Z _ — Grading more sandy at 12 ft (cuttings)W <br /> C) <br /> 0 S+fty SAND/Sandy SILT(SWML),moderate <br /> yelkwsh brown, mottled light brown,medium <br /> dense,damp,very fine sand, mod est K <br /> 15 <br /> - - Minor gravel at 17 ft Contact(dnik.)— _ <br /> C) _ Silty SAND(SM),dark yellowish brown, <br /> w Bentonite medium dense,damp,10-400%sift,fine <br /> 04 <br /> pellet seal -- sand,mod to high est K <br /> 20 20 -- Gravelly from 17 to 20 ft(driller) <br /> Monterey -- <br /> x sand - -- <br /> 0 02-Slotted - - - <br /> a <br /> w 4-PVC <br /> A <br /> 25 <br /> casing 25 - <br /> - - - - <br /> _,_ _I...,.,. <br /> 0 2 4 6 <br /> hti Rodk* <br /> EXPLANATION <br /> = Water level during dnlhng (date) <br /> — Q Water Level (date) Logged by Sharon L. Halper <br /> -- Contact (dotted where approx) Supervisor Richard Weiss, EG 1112 <br /> - _ - - Uncertain Contact Drilling Company Westek, San Jose, CA <br /> .•.• • Gradauonal Contact Driller Tom Langan <br /> Location of recovered dnve sample Drilling Method Hollow stem auger <br /> Location of dnve sample sealed for chemical Dates Dnlled 1-20-88 <br /> analysis Well Head Compleuon Locking stovepipe & G-12Chnsty box <br /> ] $$ Grab sample Type of sampler Split barrel (13, 2, 2.5 in ID) <br /> W K = Estimated Permeability (hydtauhc conductivity) <br /> Boring Log and Well Construction Details - Well MW-5 Chevron SS #96465 <br /> Stockton, CA <br />