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Project Yamada Property Project No AGE-NC-98-0452 BORING NO <br /> Site Address 15406 South Tracy Boulevard Total Depth 20 Feet B2 <br /> Tracy, California Date 19 October 1998 <br /> Drilling Co Fisch Environmental Logged by McKibben Page 1 of 1 <br /> Rig/Auger Type Geoprobe Reviewed by Henderson <br /> ISO <br /> (6at , oG `t�', Lithologic Description <br /> Brown,saturated, silty fine SAND, roots, <br /> 5M no hydrocarbon {HQ odor <br /> B2-5 0 OH/OL f - Dark brown, very moist to saturated,silty CLAY, organic, <br /> roots,no HC odor <br /> OH/OL i Very dark brown, moist, CLAY, organic,no HC odor <br /> 10— 82-10 0 � �� i <br /> OH/OLi i Dark gray-brown, very moist,CLAY, organic, local sand <br /> B2-15 0 / i stringers,no HC odor <br /> OH/OL i Dark gray-brown, very moist, CLAY, organic,no HC odor <br /> 20— B2-20 0 <br /> – Probing terminated at 20 feet bsg <br /> Grab water sample collected from 9-15 feet bsg <br /> Probing backfilled to surface grade with portland cement <br /> 30— <br />' 40— <br /> Advanced , <br />' L YAMIPRDSBDFiING-1IYAMADASYAMADAB2 SAM GeoEnvironmental, Inc. <br />