ARCHIVED REPORTS_XR0006119 - Laserfiche WebLink

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1 A(;� MW11 Benzene 3 Opo \ r Groundwater (not located to scale) GW Toluene 11,000 o Flow Direction (NM) 25 5D Ethylbenzene 2 500 Benzene 19 Gradient = 0 OD5 Xylenes 10 000 Benzene 310 Toluene <2 5 TPH-g 55,000 Toluene <10 Benzene 300 Ethylbenzene <25 Scale(feet) MTBE(8260) <1,200 Ethylbenzene <10 Toluene 360 Xylenes 36 Xylenes <10 Ethylbenzene 2 400 TPH-g 1 200 ' TPH-g 2 400 Xylenes 8 400 MTBE(8021) 12 Toluene < Benzene 36 (8021) <50 TPH-g 27 000 MTBE(8260) <0 5 (-1 63) Ethylbenzene 588 MTBE MTBE(8260) <500 1MW13 ' Xylenes 19 TPH-g 2600 MTBE(8021) <50 Benzene 1 500 Toluene 1900 ' Ethylbenzene 420 Benzene 81 Xylenes 1 800 [F�`� Toluene 20 Benzene <0 5 Benzene 190 TPH-g 13 000 GF'9P��A4 Ethylbenzene 73 Toluene <0 5 Toluene 7 300 MTBE(8260) <250 H� Xylenes 84 Ethylbenzene <05 Ethylbenzene 1 700 N� TPH-g 990 Xylenes <0 5 MTBE(8021) <12 TPH-g <50 TPH-g38000 Xylenes 8 600 OS�MP � MTBE(802 1) <2 5 MTBE(8021) <620 �4109- R hir Benzene i F1 ESS10NP MW10 MW12 ) (NM) Toluene <0 5 PR� �GD�N (-1291' Benzene 11 000 Ethylbenzene <0 5 Toluene 27 000 N/IWg xylenes <0 5 (-11 67) TPH-g <50 RW4 Ethylbenzene 4 000 MTBE(8260) <0 5 V3 (-1285) Xylenes 20 000 Ethanol <100 TPH-g 120 000 vEN (-1235) (-1266) MTBE(8021) <2 500 Z E4E PSV1AUVB UVB-MW2 (shallow) Toluene <0 5 " Benzene 7 3 (-11 96) — Ethylbenzene <05 RW2 ,� (-12 15) 0VB-MW1 (deep) (-1242) Xylenes <0 5 Foy _ 5W2 �W6 (dry) Benzene 1 000 LEGEND TPH-g 230 12 12) ti Toluene <25 ! GROUNDWATER MONITORING WELL MTBE(8260) 62 1ti ' PSV2 Ethylbenzene 42 Benzene 6 700 ' Ethanol <100 �' �� (NM) ti Xylenes <25 Toluene 18 000 • PIEZOMETER TAME 063 MW4 (NM) 3A/B ti TPH-g 4,100 Ethylbenzene 3200�p -11 99) 1 MTBE(8260) <120 Y VAPOR EXTRACTION WELL (-11 72) tiiP2A/B Xylenes 13,000 0 * P1 �� SWI V2 TPH-g 77 000 RECOVERY WELL ' S (NM) MW2 ti I 1 B--:—N (-12 20)RW1 (F) PERMANENT SOIL MTBE(8021) <1 200 1 (-1160) 'V4�0 (NM) '1 ( 12 17) I + AIR S ARGING WELL POR MONITORING WELL Benzene 13 (- ) MW 1 ) Toluene <25 �3 1 IW1 (-11 62) �� (-11 95) 'ti (MWS Benzene 66 INJECTION WELL ' \ Benzene <0 5 Ethylbenzene <2 5 U1 h�ti S � Toluene 91 Xylenes <2 5 Benzene <0 5 x Eth (benzene = P2f 1 t R ' Toluene TPH-g 820 Toluene <0 5 �( ' ' RM o ti 1 0 INJECTION POINT z NM t ' ti FO N Ethylbenzene <0 5 Xylenes 140 MTBE(8260) <0 5 Ethylbenzene <0 5 Cry ti �ti '11 J 'y S��p1tyG 4�y` Xylenes <05 TPH-9 2 700 (-1126) Groundwater Elevation (feet) Ethanol <100 Xylenes <<05 '��i MSR t� g '��-- TPH-g <50 MTSE(8021) <5p NM Not Measured ' -g G M W7 FOR _ > R MTBE(8021) <2 5 (NM) MTBE(8021) <2 5 ([1 11 53 PIMPS ''�— Fd D Not Used to Calculate Gradient I Benzene <25 m ) NO 1P1A �IP~Y IgE K Benzene 15 , TPH-g Total Petroleum Hydrocarbons as gasoline iB fP2A IP26 IP3A fP3B y Toluene 36 MW8 Benzene 470 1,600 Toluene 63 I MTBE Methyl t-butyl ether Benzene <0 5 29 c250 85 2 100 Ethylbenzene 9 3 Ethylbenzene 360 N v (-11 26) MW1 Toluene 4 600 9 900 190 5 500 390 17 000 Xylenes 59 TAME Tert-amyl methyl ether Xylenes 690 m I Toluene <0 5 y y PG�` Ethylbenzene <0 5 (�11 44) Ethylbenzene 1 500 1,100 54 1 700 75 2000 TPH-g 1 400 I TPH-9 4100 X ienes 11 000 7 000 850 10 000 2 100 12 000 g MTBE(8260) 0 58 O � Xylenes <0 5 TPH-g Ethanol <100 � TPH-g <50 � -9 38 040 38 000 3 600 39 000 8 200 64 000 Notes MTBE8021 <620 <1 200 <120 <1 200 <250 <2 500 Analytical results In micrograms per titer(ug/L) N MTBE(8021) <25 ( ) TAME shown only where detected s SITE PLAN SHOWINGGROUNDWATER ELEVATIONS AND ANALYTICAL RESULTS � FIGURE ETI C FORMER EXXON RS 7-3942 ENGINEERING 4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA IJ 22 DECEMBER 2005 i