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Advanced FIELD LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO B3 <br /> F 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 Date(s) Drilled 04/16/99 <br /> Notes sz Water level during drilling Page 1 of 1 <br /> z Water level in completed well <br /> Sample Blows PID Sod USCS Class and <br /> Depth ID tt (ppm) Symbol Sod Description <br /> 0 <br /> I <br /> _ ML Brown,damp, SILT WITH SAND, fine sand,no petroleum hydrocarbon(HC)odor <br /> -5 B3-5' --- 0 ==a <br /> I <br /> I <br /> I <br /> I I — SM Brown,damp, SILTY SAND, 80%medium sand,20%silt fines,no HC odor <br /> -10 — <br /> B3-]0' --- <br /> 0 <br /> SZ � <br /> i <br /> I <br /> I <br /> I ' <br /> ML Light brown,damp,SANDY SILT, fine sand,no HC odor <br /> -1' <br /> 133-15' --- 0 — <br /> I <br /> I <br /> CL Light brown,moist, CLAY,with silt,medium plasticity,no HC odor <br /> -20— 133-20' --- I 0 <br /> CL Light brown,moist,CLAY,with silt,trace brown mottling,medium plasticity,no <br /> HC odor <br /> -25— 83-25' --- 0 <br /> Boring terminated at 25 feet below surface grade Cement grout utilized to abandon from <br /> total depth to surface grade <br />