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�\ �\ 'A <br /> �m G Osla EXPLANATION <br /> -—..—..— PROPERTY BOUNDARY <br /> '� �. APPROXIMATE EXTENT OF PETROLEUM <br /> 8ro"e m �' HYDROCARBON AFFECTED SOIL BASED ON <br /> �a"a <br /> 00. <br /> VISUAL AND ANALYTICAL DATA(>100mg/kg) <br /> �\ _ . <br /> 4L EB-7 Sr SOIL BORING(EARTH SYSTEMS,JUNE 1999). <br /> — SAMPLES ANALYZED FOR TPHD,TPHC, <br /> \ \\ TPHMO,BTEX,AND PAHS. <br /> —-.- — — — GMX-3 0 SOIL BORING(GEOMATRIX,SEPTEMBER 1999) <br /> west Siae GMX-6♦ SOIL LOCATION(GEOM TR XNG AND B GROUNDWATER <br /> SEPTEMBER ER 999) <br /> 9at/on ! — GMX-26 SOIL BORING LOCATION <br /> Soo/her"P O'strIc ."'e"t \ I �auret I (GEOMATRIX,MAY 2000) <br /> ase " '• 9rOve(a W.12th.Street GMX-30 <br /> a0/�° — — — <br /> SOIL BORING LOCATION <br /> Rar7roaoC°mpa"y' ALL ND "a (GEOMATRIX.OCTOBER 2000) <br /> GMX-25 <br /> GMX-32 ! Soil - <br /> B `0.005' SOIL ANALYTICAL RESULTS FROM <br /> - i --— -—- T `0.005 MAY AND SEPTEMBER 2000: <br /> GMX-26 Soil E - `0.005 SOIL SAMPLES ANALYZED <br /> B <0 005--— X 0.005 FOR BTEX,PAHS,AND TPHC; <br /> T `0.005 FfUltw°Od TPHe 1700 <br /> CONCENTRATIONS IN mg/kg <br /> %31 <br /> E `0.005 Circle —--—--— PAH:Pyr SOIL <br /> GMX-32 Soil X `0.005. "\ / Chr °.079 <br /> 6 `0.005 TPHe 120�MX-8 - T `0.005 PAHS <0.005GMX7X `0.005 GMBORING.LOCATIONS SHOWN IN GREEN ARE <br /> +4 ,� WHERE PETROLEUM HYDROCARBONS WERE <br /> IES-7 •.\ TPHe 1700 GMX-30 all ND OBSERVED IN SOIL AND/OR TPHe WAS <br /> �,• PAH:Pyr 0.057 \ -,GMX-32 GREATER THAN 100 mg/kg <br /> •GMX-4 •• Chr 0.079 <br /> BURNS •GMX-19 •. GMX-26 -- ALL No BORING LOCATIONS SHOWN IN BROWN ARE <br /> PROPERTY WHERE PETROLEUM HYDROCARBONS WERE0. " CyMX-33 NOT OBSERVED IN SOIL AND/OR TPHc WAS <br /> EB-8 <br /> GMX-17 GMX-16 LESS THAN 100 mg/kg <br /> GMX-3 • <br /> GMX-18• •. �. <br /> BTEX= BENZENE,TOLUENE,ETHYLBENZENE, <br /> 3 GMX-5 *GMX-6 AND XYLENE <br /> \ POMBO PROPERTY 0 MX-15 Eg_9 E�GMX-29 TPHc= TOTAL PETROLEUM HYDROCARBONS <br /> GMX-2 QUANTIFIED AS CRUDE OIL <br /> GMX-14 PAHS= POLYNUCLEAR AROMATIC <br /> GMX-1 HYDROCARBONS;Pyr=PYRENE; <br /> S Chr=CHRYSENE <br /> GMX-13 EB-10 <br /> NO = NOT DETECTED <br /> Estimated West 11th Street <br /> Groundwater <br /> Flow SOIL BORING LOCATIONS AND <br /> Direction ANALYTICAL RESULTS FROM <br /> MAY&SEPTEMBER 2000 INVESTIGATIONS <br /> I GMX-27 Pombo Property <br /> Q 1,00 Tracy,California <br /> • ALL ND 6;� , <br /> SCALE IN FEET <br /> Source: Report of Additional Soil and Groundwater Investigation,Geomatrix Consultants,Inc. <br /> December 2000. 2 <br />