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AdvancedRIN LOG <br /> BO G <br /> GeoEnvironmental Inc. <br /> ' BOREHOLE NO 15B-13 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 20 Feet <br /> ' Project Chase Chevrolet-Madison Drilling Co Envtroprobe <br /> Site Location 423 North Madison Street Rig/Auger Type Geoprobe 5400 <br /> ' Stockton, California Logged By P Dotson <br /> Reviewed By N Henderson <br /> Project No AGE-NC-95-0144 Date(s) Drilled 11/15/00 <br /> Nates Total depth of boring 20'bsg Backfilled g Water level during drilling Page 1 of 1 <br /> ' to surface grade with portland cement Nr- Water level in completed well <br /> Sample Blows PID Soil USCS Class and <br /> Depth ID (per 6") (ppm) Symbol Soil Descnption <br /> o <br /> 1 <br /> CL Brown,moist,CLAY,petroleum hydrocarbon(HQ odor, 100%recovery <br /> 5 1513-13-5 --- --- <br /> CL Mottled gray/brown,damp,SILTY CLAY,no HC odor,90%recovery <br /> ' -10 15B-13-10 - --- <br /> CL Brown,SANDY CLAY,approximately 30%sand,fine sand,no HC odor,80% <br /> recovery <br /> ' -15 15B-13-15 --- -- <br /> SP Brown,saturated,POORLY GRADED SAND,fine sand,less than 5%fines,no HC <br /> odor,50%recovery <br /> -20 15B-I3-20 <br /> - -- <br /> 1 <br />