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BORINGNVELL CONSTRUCTION DETAIL GRAPHIC DESCRIPTION <br /> LOG <br /> PIO <br /> (ppmv) <br /> DEPTH <br /> 0 <br /> 1 <br /> 2 <br /> 3 <br /> 4 <br /> 5 <br /> 5 <br /> 7 <br /> Grout <br /> g <br /> 10 <br /> 11 <br /> 12 <br /> 13 <br /> 14 <br /> 15 <br /> Explanation Contaots APEX ENVIROTECH, INC <br /> o = Water level during dnlllng ® Sieve sample ..^� Solid where certain <br /> Boring/Well Log JOB NO <br /> Water levet in completed well ® Grab sample •■■+■■■■ Dotted where approximate <br /> Details SB-21 col_oi oos <br /> Estimated permeability CoIberg Boat Works BORING/ <br /> Location of recovered drill sample est K (hydraulic conductivity) Cashed where uncertain 401 North Stockton Street WELL <br /> 7K=pnmary,2K=secondary, Stockton,California SB-21 <br /> Location of sample sealed far N No Recovery off/fIlJ Hachured where gradational 09-29-99 <br /> chemical analysts <br />