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...� � +>!� �r +w.■�i tllititit� ttltt� � l� �■�■ � ti• � ! ! ! ! ! I♦ <br /> CHATEAU <br /> HOSPITAL Mwi 1 <br /> (not located to scale) <br /> Benzene 41 Benzene <W (NM) <br /> Toluene <0 5 Toluene 260 <br /> PROFESSIONAL REALTOR Ethylbenzene 092 Ethylbenzene 960 h <br /> J (_10 3a) BUILDING Xylenes <br /> TpH$ 119 Xylenes 4,200 MWY13 <br /> LLJ <br /> 330 TPH-g 19,000 (not Located to scale) <br /> MTBE(8260) <5 MTBE(8260) <5 (-12 31}• <br /> Benzene 076 Benzene 39 Benzene 4,200 <br /> Toluene <0 5 Toluene 19 Toluene 12,000 <br /> Ethylbenzene <0 5 Ethylbenzene 150 Ethylbenzene 2,000 MW 10 <br /> Xylenes <0 5 Xylenes 1133 Xylenes 9,400 ROS E LANE (-1164) <br /> TPH-9 69 TPH-9 2,800 TPH-g 76,000 <br /> MTBE(8260) 74 MTBE(8280) <5 MTBE(8260) <5 <br /> PSV1 Ilia) <br /> RW2 UVB-MW2 V3 RW4 MW12 <br /> MW4 (-1078) UVB (shallow) (-1143) (-1161) (-1191) <br /> (-1059) ♦ UVB-MW1(deep)(-11 15) <br /> SP1 V1 SW2MW6{-1111} Benzene 190 <br /> (NM) MW2 (-10 95) (-10 97) Toluene 76 4( <br /> (-1064)i V4 SWI ' <br /> PSV2 Ethylbenzene 320 N <br /> IW1 (-10 94)•* (NMJ* I V2 Benzene 6,400 Xylenes 349 <br /> 0050) 1{-10 96) Toluene 16,000 TPH-g 2,600 <br /> e P2 I FORMER Ethylbenzene 2,800 MTBE(8260) <5 0 30 60 <br /> TANK I MW3 <br /> I RW1 Xylenes 12,800 <br /> (NM} I—FIELD f==—{-1084)(-1096 TPH-g 110,000 Scala(feet) <br /> LU r � r I 1 MTBE(8260} <5 LEGEND <br /> u,Z W (0 38)1 <br /> i i t i IBenzene 077 GROUNDWATER MONITORING WELL <br /> ER I <br /> (-10 DB) Q k 11 j I STATMlON I MW5 Toluene <0 5 • PIEZOMETER <br /> N rQc5 MW8 FORMER I I(-10 81) Ethylbenzene <0 5 <br /> to y MW1 PUMP I BUILDING I Xylenes <0 5 A VAPOR EXTRACTION WELL <br /> _ (-1033) ISLANDS 1 If-- I TPH-g 71 RECOVERY WELL <br /> MTBE(8260) c5 1p PERMANENT SOIL VAPOR MONITORING WELL <br /> T <br /> tl Benzene <0 5 AIR SPARGING WELL <br /> ' FORMER Toluene <0 5 -$- INJECTION WELL <br /> __J USED 1050 Groundwater Elevation feet <br /> D! ----------- ----- ----- Ethylbanzene <05 _ <br /> OIL TANK Xyienes <0 5 ( } (feet) <br /> Benzene 3 Benzene 0 96 TPH-g <50 ` Not Used to Determine Gradient <br /> Toluene <0 5 Toluene <0 5 MTBE(8260) <5 (NM) Not Measured <br /> Groundwater Ethylbenzene 13 Ethylbenzene <0 5 TPH-g Total Petroleum Hydrocarbons as Gasoline <br /> o <br /> GW Flow Direction Xylenes <0 5 Xylenes <0 5 MTBE Methyl t-Butyl Ether <br /> TPH-g 310 TPH-g 61 <br /> Gradient = 0 004 MTBE(8260) <5 MTBE(8260) 10 Analyticsl results in micrograms per liter u t <br /> i <br /> 9 P g/) <br /> 6- ETIC SITE MAP SHOWING GROUNDWATER ELEVATIONS AND ANALYTICAL RESULTS FIGURE <br /> FORMER EXXON RS 7-3942 <br /> 4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA <br /> Engineering Inc 4 DECEMBER 2001 <br />