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<br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration( L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> RWI 12/18/02 768 1927 -1159 000 130 910 228 255 2,400 h 240
<br /> RWI 12/18/02 768 <5*
<br /> RWI 03/24/03 768 1875 -1107 000 -- -- __
<br /> RWI 03/25/03 7 68 -- -- -- 105 698 163 229 3,690 h 208
<br /> RWI 03/25/03 768 <0 5*
<br /> RWI 06/11/03 768 1887 -11 19 000 180 115 187 251 4,740 h 706
<br /> RWI 06/11/03 768 <0 5*
<br /> RW 1 09/17/03 7 68 2026 -12 58 0 00 176 127 298 590 5,300 h 696
<br /> RWI 09/17/03 768 <0 5*
<br /> RWI 12/08/03 768 2025 -12 57 000 147 89 7 239 349 5,140 li 442
<br /> RWI 12/08/03 768 <0 5*
<br /> RWI 03/02/04 768 18 79 -11 11 000 807 503 162 195 2,810 h 48 2
<br /> RWI 03/02/04 768
<br /> <0 5*
<br /> RW2 05/22/90 8 13 2940 -21 27 000 2,000 6,100 1,800 10,000 51,000 --
<br /> RW2 09/25/90 8 13 3079 -2266 000 1,000 5,200 1,600 8,600 33,000 --
<br /> RW2 12/19/90 8 13 3062 -2249 000 940 3,500 860 5,200 16,000
<br /> RW2 01/30/91 8 13 3108 -2295 000 580 2,300 580 3,600 13,000
<br /> RW2 05/02/91 8 13 3097 -22 84 000 1,600 3,400 1,600 7,900 32,000 --
<br /> RW2 07/16-17/91 813 3195 -2382 000 600 1,900 730 3,900 21,000
<br /> RW2 10/15/91 8 13 3253 -2440 000 510 2,700 720 3,300 22,000
<br /> RW2 01/28/92 8 13 3076 -2263 000 260 1,200 590 2,500 17,000 --
<br /> RW2 04/30/92 8 13 Not accessible -- _
<br /> RW2 08/13/92 8 13 3247 -2434 000 130 630 280 1,100 8,500
<br /> RW2 10/08/92 8 13 3303 -2490 000 130 630 250 1,400 11,000 --
<br /> RW2 02/23/93 8 13 2971 -21 58 0 00 130 580 1,000 2,000 9,700 --
<br /> RW2 05/18/93 8 13 2830 -20 17 000 420 1,400 750 2,400 16,000 --
<br /> RW2 08/22/93 8 13 2857 -2044 000 330 1,100 620 1,900 15,000
<br /> RW2 12/30/93 8 13 2788 -1975 000 620 870 690 2,600 26,000 -
<br /> RW2 02/17/94 8 13 2749 -1936 000 170 140 150 540 5,600 --
<br /> RW2 05/10/94 8 13 27 17 -1904 000 230 750 410 1,100 10,000
<br /> RW2 08/02/94 8 13 2865 -2052 000 -- -_ _-
<br /> `I)ro3ecls%739424nasterlwp1g03o413942gw xis
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