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i <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW10 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> `--1 <br /> (las)467-1006 Fax (las)467-1118 TOTAL DEPTH 28' <br /> Project Manteca City Corporation Yard Drilling Co West Hazmat Drilling <br /> Site Location 210 East Wetmore Street Rig/Auger Type CME 75HT- 8" Hollow Stem Auger <br /> IManteca, California Logged By Brian W Millman <br /> Reviewed By Calvin Lee <br /> Project No AGE-NC-99-0637 Date(s) Drilled 19 February 2003 <br /> Notes sz Water level during drilling Page 1 of 2 <br /> Iz Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> 0 Well cover cnsty box <br /> lie' <br /> Cement grout seal from <br /> 5'to4'bsg <br /> -S MW 10-5 25/27/35 0 — — <br /> SP-SM Light brown,dry to damp,POORLY <br /> — — — GRADFI)SAND with SILT,fine sand,15%fines, <br /> 100%recovery,no hydrocarbon(HC)odor <br /> Bentonite seal from 4' <br /> to 6' bsg <br /> I <br /> -10 MW10-10 29/30/35 0 — — <br /> SP-SM Brown,damp,POORLY GRADED SAND <br /> — — — wsth SILT,fine sand, 15%fines,100%recovery,no <br /> I — — — HC odor <br /> #3 sand from 6'to 28' <br /> bsg <br /> I -15 MWIO-15 17/18/21 0 — — <br /> SP-SM Brown,darnp,POORLY GRADED SAND <br /> with SILT,fine sand, 15%fines,100%recovery,no <br /> HC odor <br /> CL Dark brown,moist,SILTY CLAY, 100% <br /> recovery,medium plasticity and toughness,no HC <br /> odor <br /> I <br />