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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO P-25 <br /> 4005 North Wilson Way, Stockton, CA 95205 TOTAL DEPTH 24 Feet <br /> (209)467-1006 FAX (209)467-1118 <br /> Project FLAG CITY CHEVRON Drilling Co Envtroprobe <br /> Site Location 6421 Capitol Avenue Rig/Auger Type Geoprobe 5400/ 125" rods <br /> Lodi, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-96-0232 Date(s) Drilled 05/09/00 <br /> Notes P-25 terminated at 20'bsg Grab water sample collected 4 Water level during drilling Page 1 of 1 <br /> between 17&20'bsg Backfilled with portland cement x Water level in completed well <br /> Sample Blows PID SoilUSCS Class and <br /> Depth ID /ft (ppm) Symbol Soil Description <br /> 0 <br /> ML Dark brown,moist,SANDY SILT,30%fine sand No hydrocarbon(HC)odor <br /> CL Light brown,damp,SILTY LEAN CLAY,white mineralization No HC odor <br /> -5 P-25-5' --- 0 <br /> CL Brown,moist,SILTY LEAN CLAY,trace fine sand No HC odor <br /> ----------------- <br /> SP Brown,very moist/wet,POORLY GRADED SAND,fine to medium sand No HC <br /> 10 P-25-10' --- 0 odor <br /> Q <br /> CL Light brown to olive-green,moist,SILTY LEAN CLAY,trace fine sand,white <br /> nuneralization and iron oxidation No HC odor <br /> -15 P-25-15' --- 0 <br /> _ — SM Brown,wet,SILTY SAND,25%silt,trace white nuneraltzation and trace iron <br /> oxidation No HC odor <br /> -20— P-25-20' --- 0 Grab ground water sample P-25-W collected from 17 to 20 feet below surface grade <br /> (bsg) <br />