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BORINGNVELL CONSTRUCTION DETAIL GRAPHIC DESCRIPTION <br /> LOG <br /> PID <br /> (ppmv) <br /> DEPTH <br /> 15 3 <br /> = CL-Sandy Clay, grey-green,wet, no odor <br /> 16 <br /> 17 <br /> 18 <br /> 19 <br /> 20 1 5 CL-Sandy Clay, brown, moist, no odor <br /> 21 <br /> I <br /> �atlon Contacts APEX ENVIRCITECH, INC <br /> ater level during drilling ® Sieve sample �..� Solid where certain Boring/Well Log JOB NO <br /> .Q <br /> Water leve]in completed well ® Grab sample ........ Dotted where approximate <br /> Details SB-21 COL01 001 <br /> Estimated permeability Col berg Boat Works BORING/ <br /> © Location of recovered drill sample est K (hydraulic conductivity) Dashed where uncertain 401 North Stockton Street WELL <br /> ■ <br /> 1K=primary 2K=secondary Stockton,California Location of sample sealed for NR No Recovery rzfrru� Haehured where gradational SB-21 <br /> chemical analyses g 09-79-99 <br />