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am Mom M M mv � = M =4r = <br /> B- 22 S- 13,000 B- 360 <br /> T- <05 T- 36,000 T- 7 800 <br /> E 1 5 E. 3,600 E- 1,300 <br /> X- 20 _„ Approximate x 18,000 CHATEAU <br /> HOSPITAL X- 5,000 <br /> TPH-g- 540 Groundwater TPH-g-140 000 TPH-g-23,000 <br /> ter <br /> MTBE(8020)- 60 MTBE(8020)- 3'200 13- 120 MTBE(8020)- 940 <br /> MTBE(8260)- 68 Flow Direction MTBE(8260)- <200 <br /> T- 2,300 MTBE(8260)- <200 <br /> ZE- 4,000 <br /> W PROFESSIONAL REALTOR X- 18,000 MW13 <br /> � BUILDING <br /> w MW9 B- 20 B- 92 B- 2,200 TPH-g- 82,000 <br /> " <br /> T- 1 1 T- 160 T- 190 MTBE(8020)- <250 <br /> E- 91 13- 8 9 E- 300 E- <20 MTBE(8260)- <200 B- <0 5 <br /> X- 28 T- G80 X- 590 X- 1 300 T- <0 5 <br /> TPH god E- <05 <br /> .9- E- 0 58 TPH-g- 6,000 TPH-g-12,000 <br /> MTBE(8020)- 13 X- <0 5 MTBE(8020)- 260 MTBE(8020)- <100 Mwio TPH X `0 5 <br /> MTBE(8260)- 50 <br /> 3 7 TPH g 64d MTBE(8260)- <14 MTBE rMW2""� <br /> 826 )- <20 MTBE(802 y- <<2 g <br /> MTBE(8020)- 13 <br /> B" 21 MTBE(8260)- 60 ROSEMARIE LANE MTBE(8260)- <2 0 <br /> T- <50 <br /> E 220 V3 RW4 MW12 <br /> x- 170 PSVT <br /> TPH-g- 2,900 UVB MW1 UV / <br /> MTBE(8020)- <25 MW4 R 1� �( B- 1,500 B- <05 <br /> MTBE(8260)- <59 111 P1 MW2 TSW2 1 T- 4,600 T- <05 <br /> Vi 'N6 E- 2,100 E- <05 <br /> -1 PSV2 @I 13- `0 5 x- 6,000 x- <0 5 <br /> W Z B T- 17 lwi I 5w11 I T- <0 5 TPN-g-38,000 TPH-g- <50 <br /> P o <br /> T- <5 0 I I V2 E- <0 5 MTBE(8020) 1,100 MTBE(8020)- <2 5 <br /> a E' 27 V4 M4V3 1 X- <0 5 MTBE(8260)- <67 MTBE(8260)- <2 0 <br /> N N r~n x- <50 P2 I For r I TPH-g-<50 <br /> TPH-g- 1,400 1 Tank _ MTBE(8020)- <2 5 LEGEND <br /> MTBE(8020)- <25 M Field MTBE(8260}- <2 01 <br /> MTBE(8260)- <2 0 r r I I B 320 T- Air Spargrng Well <br /> I MM O Permanent Soil Vapor Monitoring Well <br /> i T- 1,300 <br /> i I I E- 660 Piezometer <br /> MW8 MW I Former I X- 1,700 <br /> -�- Injection Well <br /> // <br /> Former I Station I TPH-g- 11,000 <br /> Pump Building I - MTBE(8020)- 420 Soil Vapor Extraction Well <br /> Islands Forme l MTBE(8260)- <33 Recovery Well <br /> 13- <50 Used B- 11,000 Groundwater Monitoring Well <br /> T- 780 Oil Tank T- 30,000 <br /> E- 1,900 B B- Benzene � <br /> x- 6,500 - <0 5 e- 1 4 B- <0 5 B- <0 5 E- 3,500 T- Toluene <br /> TPH-g- 26,000 T- <0 5 T- <05 T- <05 T- <05 X- 17,000 E- Ethylbenzene <br /> E- <0 5 E- 12 E- <05 E- <)5 TPH-g-150,000 X- Xylenes <br /> MTBE(8020)- <250 x- <05 x- <05 X- <05 X- <05 MTBE(8020)- <2,500 TPH-g- Total Petroleum Hydrocarbons as gasoline <br /> MTBE(8260)- <100 TPH-g- 79 TPH-g-110 TPH-g-<Sp TPH-g-<50 MTBE(8260)- <20d MTBE- Methyl t-butyl ether <br /> MTBE(8020)- <2 5 MTBE(8020)- 3 3 MTBE(8020)- <2 5 MTBE(8020)- <2 5 Analytical results in micrograms per Mer(Pg/L) <br /> MTBE(8260)- <2 0 MTBE(8260)- <2 0 MTBE(8260)- <2 0 MTBE(8260)- <2 0 <br /> 0 60 120 <br /> Figure 1 Site map showing groundwater sample analytical results and <br /> ® approximate groundwater flow direction, former Exxon RS 7-3942, <br /> Stockton, California, 3 March 1998 Approx Scale (feet) <br /> 739421go398 FH5 <br /> 1 <br />