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a <br /> Advanced FIELD LOG <br /> GeoEnvironmental, Inc. o B4 <br /> � BOREHOLE N <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 25 Feet <br /> Project Langston's Market Drilling Co Enviroprobe <br /> Site Location 15615 7th Street, Rig/Auger Type Geoprobe 5400 <br /> Lathrop, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-00-98-0511 <br /> Date(s) Drilled 04/16/99 <br /> Notes sz Water levet during drilling Page 1 of 1 <br /> It Water level in completed well <br /> Sample Blows PID Solt USCS Class and <br /> Depth ID 1 ft (ppm) Symbol ' Soil Description <br /> 0 <br /> ML Brom,damp,SILT WITH SAND, fine sand,trace dry and hard clay,no petroleum <br /> -5 B4-5' _. 0 hydrocarbon(HC)odor <br /> —_ — <br /> I <br /> I <br /> � I <br /> — I SM Brown,damp,SILTY SAND, fine to medium sand,no HC odor <br /> -10 B4-]0' --- 0 <br /> � CL Brown,damp,CLAY,wrth silt,trace dark brown mottling,no HC odor <br /> — a <br /> SM Brown,damp,SILTY SAND, 70%fine sand,30%silt fines,no HC odor <br /> -15 B4-15' --- 1 — r <br /> I <br /> CL Gray-brown,damp,CLAY,with silt,medium plasticity, slight HC odor <br /> -20— B4-20' -- 0 <br /> CL Brown,moist,CLAY,with silt,trace light brown mottling,medium plasticity,no HC <br /> odor <br /> -25 B4-25' .. 0 I <br /> Boring terminated at 25 feet below surface grade Cement grout utilized to abandon from <br /> I1 total depth to surface grade <br />