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03/01/01 THU 15:43 FAX 510 66"_ A141 ., GEOMATRIX OAKLAND Q002 <br /> i <br /> 1 0 <br /> — " " — " " — — — SCALE IN FEET <br /> t I <br /> W. 12th Street <br /> j EXPLANATION <br /> - — - — - - — PROPERTY BOUNDARY <br /> / APPROXIMATE EXTENT OF PETROLEUM <br /> HYDROCARBON AFFECTED SOIL BASED ON <br /> VISUAL AND ANALYTICAL DATA(>100mg/kg) <br /> Fruitwood <br /> / Circle — - . EB-7 !�r' SOIL BORING (EARTH SYSTEMS, JUNE 1999). <br /> - SAMPLES ANALYZED FOR TPHD, TPHC, <br /> TPHMO, BTEX, AND PAHS. <br /> GMX-3 i SOIL BORING (GEOMATRIX, SEPTEMBER 1999) <br /> - GMX-30 SOIL BORING AND GRAB GROUNDWATER <br /> =_GMX'-32 I GMX-6 LOCATION (GEOMATRIX, SEPTEMBER 1999) <br /> GMX-26 <br /> Q <br /> .QMX-26 \ SOIL BORING LOCATION <br /> } •.�- <br /> GMX-33 (GEOMATRIX, MAY 2000) <br /> - <br /> GMX-30 SOIL BORING LOCATION <br /> (GEOMATRIX, OCTOBER 2000) <br /> 0 PROPOSED PERCOLATION TEST LOCATION <br /> X(6 - 'B BORING LOCATIONS SHOWN IN GREEN ARE <br /> 3 GMX-29- -. HYDROCARBONS WERE <br /> WHERE <br /> PETROLEUM <br /> MX-2�• �` � �ri OBSERVED IN SOIL AND/OR TPHc WAS <br /> GMX-1 -'`�_ GREATER THAN 100 mg/kg <br /> IX'13EB-10 '` BORING LOCATIONS SHOWN IN BROWN ARE <br /> WHERE PETROLEUM HYDROCARBONS WERE <br /> NOT OBSERVED IN SOIL AND/OR TPHc WAS <br /> jf LESS THAN 100 mg/kg <br /> I ' <br />! )t <br /> I <br /> s <br /> PROPOSED PERCOLATION TEST LOCATIONS <br /> Pombo Property <br /> Tracy, California <br /> Project No. Figure <br /> j 7074.001 2 <br /> GEOMATRIX <br /> I , <br />