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Project Curtiss Pontiac-Cadillac Project No AM-NC-97-0254 BORING NO <br /> Site Address 2450 Toste Road Total Depth 12 Feet B4 <br /> Tracy, California Date 24 June 1997 <br /> Drilling Co Geoprobe Logged by Little Page l of 1 <br /> Rig/Auger Type GeoProbe 5400 - 2" soil sampling Reviewed by Henderson <br /> Lithologic Description <br /> B4-4 420 - CL Gray, moist, silty CLAY, strong hydrocarbon(HQ odor <br /> 523 <br /> B4-8 455 - SM Gray, saturated, silty SAND, strong HC odor <br /> 10— <br /> Gray, saturated, silty SAND, strong HC odor <br /> 134-12 2 - CL Tan, moist to saturated, silty CLAY ,no HC odor <br /> – Bonng terminated at 12 feet <br /> Ground water encountered at 8 feet <br /> – Bonng backfilled to surface grade with Portland Cement <br /> 20-- <br /> 3 0— <br /> Advanced <br /> GeoEnvironmental, Inc. <br /> 0%BILLSP-15CURTISS4 SAM <br />