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' Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO OZ-1 <br /> F 837 Shaw Road, Stockton, CA 95215 <br />' (209) 467-1006 FAX (209)467-1118 TOTAL DEPTH 32 FEET <br />' Project Fire Station 42 Drilling Co Cascade Drilling <br /> Site Location 110 West Sonora Street Rig/Auger Type CME 8518-inch hollow stems <br /> Stockton, California Logged By William Little <br /> Reviewed By William Little <br /> Project No AGE-NC-01-0827 Date(s) Drilled 02-07-05 <br /> rNotes ground water encounterd at 24 feet s Water level during drilling Page 1 of 1 <br /> soil samples collected = Water level in completed well <br /> iDepth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> i0 <br /> Welt cover cristy box <br /> ii-5 SP POORLY GRADED SAND fine sand, <br /> OZI-5 14 17 13 brown,dry,medium dense no hydrocarbon <br /> (HC) odor-BACKFILL <br /> —10 NO NS <br /> SAMPLE <br /> —15 NO NS Cement grout seal from 5'to 27' <br /> SAMPLE bsg <br /> SM SILTY SAND,fine sand brown,dry <br /> — <br /> 20— OZl-20 13 1713 to moist,low HC odor <br /> Q <br /> I —25— NIL. SILT,with trace sand,gray,blue, <br /> OZI-25 14,17,10 moist to saturated low HC odor / <br /> Bentonite seal from 27'to 29' bsg <br /> CL CLAY gray fines,moist to saturated, <br /> _30— strong HC odor ##3 sand from 29'to 32'bsg <br /> OZI-30 16,15,12 <br /> SP POORLY GRADED SAND fine sand Air Spage Diffuser interval from <br /> �de <br /> oarse sand,gray,saturated medium 30'to 32'bsg <br /> se visible petro-like sheen on sod, <br /> ng petroleum hydrocarbon odor <br /> 01 <br /> f <br />