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Bales w � �� iilitttll� tttttttttti tttttttttttlE �■ l• � � l• � � 1• � t• � <br /> • s • <br /> Groundwater HATFJ1uOsPIrAL <br /> GW Flow Direction <br /> Gradient = 0 003 to 0 007 <br /> Z � PROFESSIONAL REALTOR Benzene 23 <br /> BUILDING MW13 <br /> MW9 Toluene <1 (not located to scale) <br /> w Ethylbenzene <1 <br /> ti Benzene 72 Benzene 11,000 Xylenes <1 <br /> Benzene <1 Toluene 41 Toluene 26,000 TPH-g 6D0 <br /> Toluene <1 Ethylbenzene 210 Ethylbenzene 3,500 MTBE 94 <br /> Ethylbenzene 18 Xylenes 2299 Xylenes 18,800 <br /> Xylenes 47 TPH-g 2,500 TPH-g 130,000 MW10 <br /> TPH-g 330 MTBE <5 MTBE <500 ROSEMARIE LANE <br /> MTBE 89 <br /> I <br /> PSV1 UVB_MW2 V3 RW4 MW12 <br /> MW4 RW2 SW2 UVB (shallow) <br /> ♦ UVB&MW'(deep) <br /> •P1 MW2 V1 A MW6 <br /> Benzene <1 <br /> Toluene <1 IV4 SWi i • PSV2 Toluene <1 <br /> Ethylbenzene 19 1W1 i ♦ T i V2 Ethylbenzene <1 �! <br /> Xylenes 85 , 1 FORMER I Xylenes <1 1�1 <br /> • P2 I 1 MW3 TPH-g <50 <br /> TPH-g420 <br /> 421 9 I TANK <br /> FIELD— I RW1� MTBE <1 <br /> 0 30 BO <br /> I 1 <br /> lI `I I Benzene 180 <br /> W W F MW7 i I r l I/FORR <br /> Toluene 220 Scale(feet) <br /> WS I Ethylbenzene 310 <br /> ED�' 1Xylenes 500 <br /> MWS MW1 FPREPR 7FH g 4,300 LEGEND <br /> zISLANDSMTBE <5 GROUNDWATER MONITORING WELL <br /> Lu I • PIEZOMETER <br /> Benzene <1 ♦ VAPOR EXTRACTION WELL <br /> Toluene <1 Z FORMER RECOVERY WELL <br /> Ethyibenzane <1 = -------- ----- --J USED <br /> Xylenes <1 OIL TANK p PERMANENT SOIL VAPOR MONITORING WELL <br /> 1� <br /> TPH-g 92 w Benzene <1 Benzene <1 -+ AIR SPARGING WELL <br /> MTBE <1 = Toluene <1 Toluene <1 INJECTION WELL <br /> Ethylbenzene <1 Ethylbenzene <1 <br /> Xylenes <1 Xylenes <1 TPH-g Total Petroleum Hydrocarbons as Gasoline <br /> Z TPH-g 52 TPH-g <50 MTBE Methyl t-Butyt Ether <br /> MTBE <1 MTBE <1 <br /> Analytical results in mrcrogroms per liter (11910 <br /> 0 <br /> ��■ r SITE MAP SHOWING GROUNDWATER SAMPLE ANALYTICAL RESULTS FIGURE <br /> ML. ■ a a ~ FORMER EXXON RS 7-3942 <br /> ■ ■ 4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA <br /> CZ <br /> Bngmeenng,Inc 6 DECEMBER 1999 <br />