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i i i i i � i i i i i � I• � � � � � � <br /> CHATEAU <br /> Groundwater HOSPITAL <br /> GW Flow Direction <br /> Gradient = 0 003 to G 009 <br /> PROFESSIONAL REALTOR Benzene 73 <br /> BUILDING <br /> MW9Toluene 759 MW13� <br /> � <br /> Ethylbanzene <br /> Benzene 120 Benzene 9,330 Xylenes 125 2 (not located to scale} <br /> Benzene 140 Toluene 581 Toluene 19,300 TPH-g 2,430 <br /> Toluene 151 Ethylbenzens 236 Ethylbenzene 2,890 MTBE 104 <br /> Ethylbenzene <0 5 Xylenes 265 Xylenes 16,300 <br /> Xylenes 168 TPH-g 4,740 TPH-g 104,000 MW10 <br /> TPH-g 460 MTBE 251 MTBE 1,970 ROSEMARIE LANE <br /> MTBE 203 <br /> PSV1 UVB-MW2 V3 RW4 MW12 <br /> MW4 RW2 UVB ($hallow) <br /> SWZ♦ UV&MW1(deep) Benzene 63 7 <br /> Toluene 514 <br /> Ethylbenzene 145 <br /> i <br /> P1 MW2 _ V1_ MW6 Xylenes 537 <br /> Benzene 959 I S — O PSV2 TPH-g 190 <br /> Toluene 197 `i !V4_ ♦ E MTBE 126 <br /> Ethylbenzene 389 I I V2 N <br /> Xylenes 130 P2 FORMER MW3 Benzene 1,400 <br /> TPH� 489 TANK RW1 Toluene 4,440 <br /> MTBE 25 2 i_FIELD __ Ethylbenzene 517 0 30 60 <br /> r———— <br /> LU <br /> Xylenes 2,630 <br /> Z MW7 '�I `�I I I TPH-g 20,500 <br /> w>0 MTBE 616 Scale(feet) <br /> u=i W Fa- I I FORMER I MW5 <br /> MW8 t- ` STATION I I <br /> FORMER BUILDING I Benzene 234 LEGEND <br /> W MW1 PUMP I I I Toluene 415 <br /> ISLANDS GROUNDWATER MONITORING WELL <br /> I r——I Ethylbenzene 409 <br /> W I I-- Xylenes 726 PIEZOMETER <br /> Q TPH-g 6,450 A VAPOR EXTRACTION WELL <br /> Z FORMER MTBE 315 RECOVERY WELL <br /> USED PERMANENT SOIL VAPOR MONITORING WELL <br /> OIL TANK <br /> LLla Benzene 101 Benzene <0 5 ♦ AIR SPARGING WELL <br /> Toluene 4 56 Toluene <0 5 INJECTION WELL <br /> Ethylbenzene 808 Ethylbenzene <05 <br /> a Xylenes 242 Xylenes <0 5 TPH-g Total Petroleum Hydrocarbons as Gasoline <br /> Z TPH-g 253 TPH-g <50 MTBE Methyl t-Butyl Ether <br /> MTBE 681 MTBE <2 5 <br /> Anclybcal results in micrograms per titer Ng/t) <br /> SITE MAP SHOWING GROUNDWATER SAMPLE ANALYTICAL RESULTS FIGURE <br /> i iv mr <br /> FORMER EXXON RS 7-3942 »� <br /> 4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA <br /> Engmeermg,Inc 20 AUGUST 1999 <br />