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w �w w w w w !_ � 1• � r♦� � <br /> B- 35 B- 12,000 <br /> T- <05 T- 32,000 B' 8 1 <br /> T- 85 <br /> E- <05 E- 3,500 E- 11 <br /> TPH-g 2205 Approximate X- 19,000 Hose CHATAU <br /> X- 10t <br /> Groundwater TPH-g-140'000 TPH-g 630 <br /> MTBE(8020)- 22 MTBE(8020)- 3,30 B- 88 MTBE(8020)- <5 0 <br /> Z <br /> MTBE(8260)- 20 Flow Direction MTBE(8260)- <133 T- 1,200 MTBE(8260)- <2 0 <br /> ui <br /> 7 PROFESSIONAL REALTOR E- 2,900 <br /> ui X- 14,000 Mwi3 <br /> w <br /> MW9 B- 20 BUILDING 13- 130 B- 2,500 TPH-g- 44,000 <br /> PI T- <5 T- 140 T- 7 <br /> 180 MTBE(8020)- 730 <br /> E- 11 o 13- 15 E- 310 E- 950 MTBE(8260)- <100 B- <0 5 <br /> X- i9 T- 350 X- 560 X- 1,300 T- <05 <br /> TPH-g- 1,600 E- 35 TPH-g- 6,600 TPH-g-16,000 E- <0 5 <br /> MTBE(8020)- <25 X- 91 MTBE(8020)- 250 MTBE(8020)- 580 MW70 x- <05 <br /> MTBE(8260)- 31 TPH-g-1,100 MTBE(8260)- <14 MTBE(8260)- <14 TPH-g- <50 <br /> B- 17 MTBE(8020)- <25 MTBE(8020)- <2 5 <br /> T- <10 MTBE(8260)- 65 ROSEMARIE LANE MTBE(8260)- <2 0 <br /> E 160 <br /> x- 93 B M tV3 RW4 4U MW12 <br /> PSV <br /> TPH-g- 2,600 UVB-MWi1 uve <br /> MTBE(8020)- <50 MW4 RWZ <br /> MTBE(8260)- <2 0 13- 450 13- <0 5 <br /> P1 MW2 SW2 T- 460 T- <05 <br /> V1 E- 600 E- <05 <br /> r—M--� PSV20l B- <05 X- 890 X- < <br /> B- 82 IW1 l SW1 <05 <br /> U 0 T- <2 0 I + I V2 E- <0 5 TPH-g-7,400 TPH-g- <50 <br /> z a <br /> E- 18 I V4 I MTBE(8020)- 400 MTBE(8020)- <2 5 <br /> RW1 x- < MTBE(8260)- <67 MTBE(8260)- c2 0 <br /> W u�i x- 2 0 P2 I Former I MW3 TPH-g-<50 5 <br /> "� <br /> TPH-g- 980 ( Tank _ MTBE(8020)- <2 5 LEGEND <br /> MTBE(8020)- <10 M Field <br /> F MTBE(826x)- <2 0 Air Sparging Well <br /> MTBE(8260)- <2 0 i ' t I I B- 310 <br /> MW5 O Permanent Soil Vapor Monitoring Well <br /> T- 1,500 <br /> MW8 ti .� 'r.� I i E- 670 • Piezometer <br /> OMW1 v I Former x- 1,800 Infection Well <br /> Z Former I Station I TPH-g- 13,000 <br /> Pum Budding I^_ MTBE(8020)- 760 Soil Vapor Extraction Well <br /> Islands ———_I I <br /> Forme MTBE(8260)- <33 Recovery Well <br /> {�} <br /> B- 71 Used B- 6,700 iz Groundwater Monitoring Well <br /> T- 200 Oil Tank <br /> E- 2,000 T- 22,000 B- Benzene <br /> B- <05 B- 15 B- 14 B- <05 E- 2500 <br /> X- 4,fi00 � T- Toluene <br /> TPH-g- 31,000 T- <05 T- <05 T- <5 T- <05 X- 12,000 E- Ethylbenzene <br /> MTBE(8020)- <125 E- <05 E- 1 1 E- <o5 E- <)5 TPH-g-100,000 X- Xylenes <br /> MTBE(8260)- 43 X- <05 x- <05 X- <05 X- <5 MTBE(8020)- <1,000 TPH-9- Total Petroleum Hydrocarbons as gasoline <br /> TPH-g-<50 TPH-g-110 TPH-g-170 TPH-g-<50 MTBE(8260)- <100 MTBE- Methyl t-butyl ether <br /> MTBE(8020)- <2 5 MTBE(8020)- 41 MTBE(8020)- <2 5 MTBE(8020)- <2 5 Analytical results In micrograms per Mer(µt <br /> MTBE(8260)- <2 0 11 MTBE(8260)- <2 0 MTBE(8260)- <2 0 MTBE(8260)- <2 0 <br /> Figure 1 Site map showing groundwater sample analytical results and 0 60 120 <br /> ® approximate groundwater flow direction, former Exxon RS 7-3942, <br /> Stockton, California, 20 May 1998 Approx Scale (feet) <br /> 7 3 94 2180 59 8 FH5 <br />