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Project Curtiss Pontiac-Cadillac Project No AGE-NC-97-0254 BORING NO.: <br /> Site Address 2450 Toste Road Total Depth 20 Feet PB4 <br /> Tracy, California Date 04 November 1999 <br /> *-nlllng Co Geoprobe Logged by Little Page 1 of 1 <br /> Rig/Auger Type GeoProbe 5400 - 2" soil sampling Reviewed by Henderson <br /> 0��$ Lithologic Desenption <br /> I <br /> 1 - <br /> CL <br /> 10— PB4-10 I40 - Brown, moist, SILTY CLAY,hydrocarbon(HQ odor <br /> 1 _ <br /> W PB4-15 1 7 - CL / Brown,moist, SILTY CLAY,hydrocarbon(HQ odor <br /> I <br /> SP <br /> 120— PB4-20 1 1 - Dark brown, saturated,POORLY GRADED SAND,medium <br /> sand no HC odor <br /> Boring terminated at 20 feet <br /> Ground water encountered at 10 feet <br /> Ground water sample collected <br /> – Boring backfilled to surface grade with pordand cement <br /> 1 <br /> 30— <br /> 1 <br /> 1 <br /> Advanced <br /> GeoEnvironmental, Inc. <br /> L 1AMIPRO1BORiNG-11CURTISS1CuRTSPB4 SAM <br />