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� � � i !! � � l� : � � !� a�■� lam: � <br /> • <br /> B- 31 <br /> T- <1 2 <br /> E- <1 2 CHATEAU <br /> X <1 2 Approximate HOSPITAL g_ 1 8 <br /> TPH-g- 750 Groundwater T- 060 <br /> MTBE(8020)- 170 Flow Direction 4:) g_ <05 B- 140 E- 084 <br /> Z MTBE (82fi0)- 180 PROFESSIONAL T- 099 T- 1,600 X- <05 MW13 <br /> MWg BUILDING REALTOR E- 066 E- 3,000 TPH-g- <50 <br /> B- <05 X- 41 X- 13,000 MTBE- 31 B- <05 <br /> T- <0 5 B- <YO— B- 200 TPH-g- <50 TPH-g- 48,000 T- <05 <br /> E- <0 5 T- <2 0 T- 170 MTBE- <2 5 MTBE- 690 E- <05 <br /> X- <05 E- <20 E- 370 MWio X- <05 <br /> TPH-g- <50 X- <2 0 X- 610 TPH-g- <50 <br /> MTBE- 125 TPH-g- 720 TPH-g- 7,200 ROSEMARIE LANE MTBE- <2 5 <br /> B- 30 MTBE- <10 MTBE- 350 <br /> T- <1Q BMW V3 RW4 MW12 <br /> E- 160 PSVT <br /> X- 130 UVB-MW1 UVB B- 9,400 B- 260 <br /> TPH-gMW4 RM <br /> T-16,000 T- 350 B- <05 <br /> MTM- 2,200 +gw2 E- 2,300 E- 320 T- <05 <br /> MTBE- <50 W P7 M vi V MWs X-11,000 X- 570 E- <05 <br /> -1 PSV201 TPH- 91,000 TPH- 4,100 < <br /> �Uo g. 25 I 5w1 9- 9' X- 05 <br /> a T- <5 0 iwi I ♦ V2\Former <br /> E(8020)- 2,20Q MTBE- 98 TPH-g- <50 <br /> m cn E- 25 V4F ME(8260)- <200 MTBE- <2 5 <br /> X- <5 0 P2 Former 1B- 410 LEGEND <br /> TPH-g- 1,300 $ MW7 Tank <br /> i J— T- 1,500 1 <br /> MTBE- <25 E- 750 T Air Sparging Well <br /> f 4 MX- 1,800 © Permanent Soil Vapor Monitoring Well <br /> i I TPM-g-13,000 • Piezometer <br /> Mwa (X Wi l FormerMTBE(8020)- 520 Injection Well <br /> 0 Forme 1 StationMTBE(8260)- <25 <br /> pump I Building Soil Vapor Extraction Well <br /> Islands ___ g- 12,000 Recovery Well <br /> B- <50 T- 34,000 Groundwater Monitoring Well <br /> T- 700 E- 4,500 B- Benzene <br /> E- 2,500 B- 32 X- 22,000 T- Toluene <br /> X- 9,100 T- <0 5 TPH-g- 160,000 E- Ethylbenzene <br /> TPH-g- 36,000 E- 34 MTBE- 3,500 X- Xylenes <br /> MTBE(8020)- <250 X- 071 TPH-g- Total Petroleum Hydrocarbons as gasoline <br /> MTBE- Methyl t-butyl ether <br /> MTBE(8260)- 69 TPH-g- 160 Analytical results In micrograms per titer(pg/L) <br /> MTBE- 52 <br /> Figure 1 Site map showing groundwater sample analytical results and 0 60 120 <br /> ® approximate groundwater flow direction, former Ekon RS 7-3942, <br /> Stockton, California, 11 November 1997 Approx Scale (feet) <br /> 739421g1197 FHS <br />