ARCHIVED REPORTS_XR0007079 - Laserfiche WebLink

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I Benzene 2,070 ! MW11 Al�;)L Toluene 6 340 (not located to scale) Groundwater Ethylbenzene 1980 GW Flow Direction Xylenes 7 430 Benzene 174 Benzene 203 (-1648) 0 25 50 TPH-g 40 700 Benzene 474 Toluene 268 Toluene 20 Gradient = 0 005 MTBE(8260) <0 5 Toluene 7 5 Ethylbenzene 1 530 Ethylbenzene 1 0 Ethanol <100 Ethylbenzene 13 0 Xylenes 4,860 Xylenes 4 B <0 5 Scale{feet) Xylenes 180 TPH-g 24 500 TPH-g 1,270 Benzene ' TPH-g 2,960 MTBE(8260) <0 5 MTBE(6021) 64 Toluene <D 5 Benzene 10 3 MTBE(8021) 125 Ethanol <100 MTBE(8260} Toluene 3 0 MTBE(8260) <0 5 Xylenes <0 5 Ethylbenzene 184 M W 13 TPH-g <50 Xylenes 88 MTBE(8021) <0 5 TPH-g 894 ' MTBE(8021) 7 9 Benzene 1 760 MTBE(8260) <0 5 Toluene 1,990 Ethylbenzene 469 v Toluene 290 enzene 980 Benzene ' Benzene <0 5 Benzene 320 Xylenes 1,540 CHP( ` Ethylbenzene 880 Toluene <05 Toluene <0 5 Toluene 14 300 TPH-g 17 800 OgP� Xylenes 100 Ethylbenzene <0 5 Ethylbenzene <0 5 Ethylbenzene 2 760 MTBE(8260) <0 5TPH 1 200 Xylenes <0 5 Xylenes <0 5 Xylenes 11,600 Ethanol <100 �.N� MTBE(8021) 2 5 TPH-g <50 ' TPH-g <50 TPH-g 68,6001E MTBE(8260} <0 5 MTBE(8260) 0 5 MMTBE(8021) 1 4TBE(8260) 0 9D MTBE(8021) <10 OR R0ceatj p.REthanol <100 EP`-` A s04 MW10 MW12 + Benzene <0 5 �S �, (NM) Toluene <0 5 PR �1.O�N (-11 70) Benzene 9,160 ' Ethylbenzene <0 5 Toluene 24,300 MWg Xylenes <0 5RW4 Ethylbenzene 3 330 (-1014) TPH-g 801 Xylenes 17 000 MTBE(6260) <0 5 V3 (-1169) TPH-g 143,000 Benzene <0 5 Ethanol <100 11 50 MTBE(8021) 395 ,Toluene <0 5 (-11 16) MTBE(8260) <10 Ethylbenzene Benzene <0 5 PSV1 UVB-MW2 (shallow) Xylenes TPH 5 TPH-g <50 Toluene <05 (-)0 68) - (UVB MTBE(8021) <D 5 I Ethylbenzene <0 5 RW2 -- (-1087) UVB-MW1 (deep) (-11 23) ' Xylenes <0 5 'A_ SW2 Benzene 564 + TPH g 350 ZPNKFSE - (-10 88) �� "!+W6(-11 04 PSV2 Toluene 74 MTBE($260) 105 _ .�` �/1 � Ethylbenzene 184 Benzene 5 170 Ethanol <105 NM Xylenes 77 Toluene 12 200 LEGEND ' MW4 (NM) ( ) Ethylbenzene 2,020 Ip TPH-g 2 260 z (-1046 �IP2AIB 3A/B-1073) 1 Xylenes 8 440 GROUNDWATER MONITORING WELL MTBE(8260) <0 5 P1 �SSWQ ) V2 Ethanol <100 TPH-g 65600 • PIEZOMETER MTBE(8021) 224 �S *(NM) MW2 I 1�B= ` (-10 99)RW1 MTBE(8260) <5 1 ♦ VAPOR EXTRACTION WELL ' 1 (-1031) V4(-105 -� 8 (NM) 1(-10 92) RECOVERY WELL -10 105 ) (-1073) Benzene 565 Benzene 109 1 IW1 (-10 34) �, �� (-i0 75) �ti MWS Benzene <0 5 Toluene 295 O PERMANENT SOIL VAPOR MONITORING WELL Toluene 05 ti ti 4 ' Ethylbenzene 1 5 P2/—\ �� ER Toluene <05 Ethylbenzene 135 I + AIR SPARGING WELL Y Xylenes 1 0 Benzene TPH-g 771 Toluene <0 5 ( �� ti�`1 �� Sip.,boG ti ti Xylenes <0 5 TPH-g 1 810 � INJECTION WELL <0 5 Ethylbenzene <0 5 y g13�L0 t TPH-g <50 MTBE(8021) 3 0 MTBE 8260 R MTBE 8021 <0 5 MTBE(8260) <D 5 ' _ _+ + 0 INJECTION POINT Ethanol <100 Xylenes TPH-g <50 10 25) PV NOS oav*- (-1446) Groundwater Elevation(feet) MTBE(8021) <0 5 0-N �' K Benzene 770 (NM) Not Measured Benzene 190 IP1A IN B 1P2A IP2B IMA IP3B Toluene 36 Toluene 800 MW8 Benzene <05 Benzene 924 4,800 112 545 915 2,140 Ethylbenzene 81 TPH-g Total Petroleum Hydrocarbons as gasoline MW1 Ethylbenzene 581 P U) 9 80 Toluene 5 790 19 200 2,590 11 900 2 170 18 900 Xylenes 64 MTBE Methyl t-butyl ether Y tn� _ (- ) Toluene Xylenes 1,100 �GR� Ethylbenzene <05 (� ) y TPH-g 5,650 a Xylenes 6 480 17,400 10 700 12 200 10,300 16 100 MTBE(8021) 6 3 1 S MTBE($260) 2 80 2�+` XTPFiQg <5p 5 1 TPH-g 55 200 99 400 41 600 104 000 65,700 103 000 MTBE(8260) <05 Notes Ethanol <102 V MTBE(8021) 154 <50 58 0 <25 165 <25 Analytical results 1n micrograms per liter(ug/L) MTBE(8021) <0 5 MTBE(8260) <5 <5 <10 t S SITE PLAN SHOWING GROUNDWATER ELEVATIONS AND ANALYTICAL RESULTS FIGURE <*> ETIC FORMER EXXON RS 7-3942 ERINU 4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA w 24 AND 25 MARCH 2005