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■ter �■� �� �■ �� llw�w w � � � � � I• � � � � � <br /> CHATEAU <br /> Groundwater HOSPITAL MW11 <br /> GW Flow Direction (not located to scale) <br /> Gradient = 0 003 to 0 007 Benzene <1 Benzene <1 <br /> Toluene <1 Toluene <1 <br /> 2 PROFESSIONAL REALTOR Ethylbenzene <1 Eth benzene <1 <br /> BUILDING Benzene Toluene 21 2 Xylenes <1 Xylenes <1 <br /> MW9 13 <br /> Ethylbenzene 57 MTBE <1 E `�1 (not located toA`scae) <br /> Benzene 17 Benzene 13,000 Xylenes 52 <br /> Benzene 43 Toluene 4 5 Toluene 31,000 TPH-g 320 <br /> Toluene <1 Ethylbenzene 28 Ethyibenzene 4,200 MTBE <1 <br /> Ethylbenzene <1 Xylenes 164 Xylenes 23,100 Benzene <1 <br /> Xylenes <1 TPH-g 1,400 TPH-g 180,000MW10 Toluene <1 <br /> TPH-g 100 MTBE <1 MTBE <260 Ethylbenzene <1 <br /> MTBE 7 ROSEMARIE LANE Xylenes <1 <br /> TPH-g <60 <br /> MTBE <1 <br /> Benzene <1 <br /> Toluene <1 PSVi <br /> Ethylbenzene <1 UVB-MW2 V3 RW4 MW12 <br /> Xylenes <1 MW4 RW2 UVB (shallow) <br /> TPH-g <50 SW2l� UV8-MW1(deep) <br /> MTBE 48 0 06 feet LPH A T <br /> P1 MW2 V1 MWS <br /> Benzene <1 <br /> Benzene <1 IV4 SWi1 i ♦ © PSV2 Toluene <1 <br /> Ethylbenzene <1 !W1 + I V2 Ethylbenzene <1 N <br /> Xylenes <1 <br /> Xylenes <1 i FORMERI TPH-g <50 <br /> TPH-g 66 * P2 1 TANK 1 MW3 RW1 I MTBE <1 <br /> MTBE <1 FIELD __ __ 0 30 60 <br /> W z M}lV7 rel �I 1 I Benzene 280 <br /> LU U F 1 I 1 I I I Toluene 200 Scale(feet) <br /> _ a I I I FORMER I Ethylbenzene 750 <br /> y MWB IJFORMER� STATION I m I Xylenes 1,270 LEGEND <br /> MWi pUMp BUILDING I TPH-g 14,000 <br /> U LU I I MTBE <1 GROUNDWATER MONITORING WELL <br /> Benzene 31Z ISLANDS <br /> Toluene 110 w _-_ -- I • PIEZOMETER <br /> Ethylbenzene 1,100 \+�� ♦ VAPOR EXTRACTION WELL <br /> Xylenes 2,330 <br /> TPH-g 10,000 Z FORMER RECOVERY WELL <br /> MTBE 42 ----------- -- ---__—_-J USED © PERMANENTSO[LVAPORMONITORINGWELL <br /> OIL TANK <br /> wd Benzene <1 Benzene <1 + AIR SPARGING WELL <br /> Benzene 16 Toluene <i Toluene <1 INJECTION WELL <br /> Toluene <1 Ethylbenzene <1 Ethylbenzene <1 <br /> Ethylbenzene <1 Xylenes <1 Xylenes <1 TPH-g Total Petroleum Hydrocarbons as Gasoline <br /> Xylenes <1 Z TPH-g <50 TPH-g <50 MTBE Methyl t-Butyl Ether <br /> TPHt 64 MTBE <1 MTBE <1 LPH Liquid-Phase Hydrocarbons <br /> MTBE <1 IAnalytical results in mcrogroms per liter (ug1Q <br /> S <br /> Mme■ s SITE MAP SHOWING GROUNDWATER SAMPLE ANALYTICAL RESULTS FIGURE <br /> A. IN ■m ' FORMER EXXON RS 7-3942 >� <br /> Jr— if Al R 1 n Ab 4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA <br /> Engineemg,Inc 29 FEBRUARY 2000 <br />