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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 /> RW 1 09/17/03 768 <0 5*
<br /> RW 1 12/08/03 768 2025 -1257 000 147 897 239 349 5,140 h 442
<br /> RW1 12/08/03 768 <0 5*
<br /> RW 1 03/02/04 768 B 79 -11 11 000 807 503 162 195 2,810 h 482
<br /> RW 1 03/02/04 768 <0 5*
<br /> RW1 06/28/04 7 68 2000 -1232 000 -- - _ _
<br /> RW1 06/29/04 7 68 -- -- -- 102 857 264 335 3,520 h 36.7
<br /> RWl 06/29/04 768 <0 5*
<br /> RW2 05/22/90 8 13 2940 -2127 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 -22 95 000 580 2,300 580 3,600 13,000 --
<br /> RW2 05/02/91 8 13 3097 -2284 0 00 1,600 3,400 1,600 7,900 32,000 --
<br /> RW2 07/16-17/91 8 13 3195 -23 82 000 600 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 I,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 -2158 0 00 130 580 1,000 2,000 9,700 --
<br /> RW2 05/18/93 8 13 2830 -2017 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 l3 2865 -2052 000 -- -- ._ --
<br /> RW2 11/01/94 8 13 2899 -20 86 000 -- -- -- --
<br /> RW2 02/17/95 8 I3 2644 -1831 000 220 680 460 1,400 11,000
<br /> RW2 05/11/95 8 13 23 83 45 70 000 350 670 560 1,500 12,000 --
<br /> RW2 08/24/95 8 13 25 19 -1706 000 200 420 430 1,000 12,000 --
<br /> RW2 10/19/95 8 13 2566 -1753 000 240 360 430 1,200 9,500 <50
<br /> g%pm)ects173942ImasuAwplg076413942gw x1s
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