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CHATEAU <br /> Groundwater HOSPITAL <br /> GW Flow Direction (not located fo scale) <br /> Gradient = 0 002 to 0 005 Benzene 56 <br /> PROFESSIONAL REALTOR Toluene 57 <br /> Z Benzene 87 Ethylbenzene 220 <br /> BUILDING <br /> Toluene 14 Xylenes 363 MW13 <br /> LY <br /> MW9 Ethylbenzene 2 8 TPH-g 2,500 (not located to scale) <br /> �- Benzene 56 Benzene 14,000 Xylenes 4 MTBE 21 <br /> Benzene 19 Toluene 14 Toluene 31,000 TPH-g 680 <br /> Toluene <1 Ethylbenzene 100 Ethylbenzene 4,000 MTBE 7 5 <br /> Ethylbenzene <1 Xylenes 304 Xytenes 27,100 <br /> Xyienes <1 TPH-g 1,700 TPH-g 160,000 MW10 <br /> TPHgi 190 MTBE 19 MTBE <250 ROSEMARIE LANE <br /> MTBE 6 9 <br /> PSV1 UVB-MW2 V3 RW4 MW12 <br /> MW4 RW2 SW2 UVB (shallow) <br /> 0 04 feet LPH ♦ + UVB-MW1(deep) <br /> P1 MW2 V1 MW6 <br /> Benzene 76IV4 SW1 i ♦ &IPSV2 Toluene <1 <br /> Toluene <1 IW1 I 1 V2 Ethylbenzene <1 <br /> Ethylbenzene 16 1 xylenes <1N <br /> Xylenes <1 'FORMER I I TPH-g <50 <br /> TPH-9 490 • P2 i TANK ;MW3 RW1 MTBE <1 <br /> MTBE 24 I_FIELD____ I 0 30 60 <br /> W Z (`I '1 <br /> 1 I 1 I Benzene 280 <br /> MW7 a I I I i Toluene 190 Scale(feet) <br /> y r i i FORMER I MW5 Ethylbenzene 670 <br /> I STATION 1 Xylenes 1,010 <br /> MW8 FORMER I BUILDING I TPH-g 10,000 LEGEND <br /> MW1 PUMP ISLANDS j I__I I MTBE 15 GROUNDWATER MONITORING WELL <br /> Benzene <1 j ___ __ 1 • PIEZOMETER <br /> Toluene <1 ¢ ♦ VAPOR EXTRACTION WELL <br /> Ethylbenzene <1 <br /> Xylenes c1 z FORMER RECOVERY WELL <br /> TPH-g <50 z ----- — -- - -- -- -- -------� USED p PERMANENT SOIL VAPOR MONITORING WELL <br /> MTBE <1 OIL TANK <br /> ua Benzene <1 Benzene <1 + AIR SPARGING WELL <br /> a. Toluene <1 Toluene <1 <br /> r J� INJECTION WELL <br /> Ethylbenzene <1 Ethylbenzene <1 <br /> a Xylenes <1 Xylenes <1 TPH-gTotal Petroleum Hydrocarbons as Gasoline <br /> Z TPH-g <50 TPH-g <50 MTBE Methyl t-Butyl Ether <br /> MTBE <1 MTBE <1 LPH Llquid-Phase Hydrocarbons <br /> AnoVical results in micrograms per liter (ug/L) <br /> 11111111111111�n Am SITE MAP SHOWING GROUNDWATER SAMPLE ANALYTICAL RESULTS FIGURE <br /> a BE - FORMER EXXON RS 7-3942 <br /> ■i i i 4444 NORTH PERSHING AVENUE, STOCKTON. CALIFORNIA <br /> Engmeenng,Inc 16 MAY 2000 <br />