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BORING/VVELL CONSTRUCTION DETAIL GRAPHIC DESCRIPTION <br /> LOG <br /> PID <br /> (ppmv) <br /> DEPTH <br /> 0 <br /> 1 <br /> 2 <br /> 3 <br /> 4 <br /> 5 <br /> fi <br /> Grout IN7 OL-Organic Clay, black, moist, no odor <br /> 8 <br /> 9 <br /> 10 --15 <br /> 11 CL-Sandy Clay <br /> 12 � <br /> 13 <br /> 14 <br /> 15 <br /> Explanation Contacts APEX ENVIROTECH,INC <br /> 1 Water level during drilling ® Sieve sample Solid where certain Boring/Well Log JOB NO <br /> Water level in completed well ® Grab sample ........ Dotted where approximate <br /> De a 513-22 COL01 oot <br /> Estimated permeability Colberg Boat Works BORING/ <br /> 101-ocation of recovered drill sample est K (hydraulic conductivity) — — Dashed where uncertain 401 North Stockton Street WELL <br /> 1K=primary 20secondary Stockton,California <br /> ■ chemical analysis Location of sample sealed for NR No Recovery 4V.-.elrf Hachured where gradational 09-29-99 SB-22 <br />