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Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO P-18 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> FAX 209 467-1118 TOTAL DEPTH 20 Feet <br /> (209)467-1006 ( ) <br /> Project FLAG CITY CHEVRON Drilling Co Enviroprobe <br /> Site Location 6421 Capitol Avenue Rig/Adger Type Geoprobe 5400/ 1 25" rods <br /> Lodi, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-96-0232 Date(s) Drilled 05/08/00 <br /> Notes P-18 ternunated 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 Y Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID ft (ppm) Symbol Sod Description <br /> 0 <br /> SC Brown,moist,CLAYEY SAND,trace silt No hydrocarbon(HC)odor <br /> -5 P-18-5' -- 0 <br /> CL Light brown to olive-green/gray,moist,SILTY LEAN CLAY,fine sand and trace <br /> iron oxidation No HC odor <br /> -Z0 P-18-10' -- 0 <br /> CL Light brown,moist,SILTY LEAN CLAY WITH SAND,20%fine sand and trace <br /> iron oxidation No HC odor <br /> CL Light brown to olive-green,wet SANDY LEAN CLAY,30%fine sand,trace silt and <br /> iron oxidation No HC odor <br /> -20— P-18-20' --- 1 Grab ground water sample P-18-W collected from 17 to 20 feet below surface grade <br /> (bsg) <br />