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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 Ethy[-
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> RWI 06/21/01 770
<br /> RWI 09/20/01 770 1886 -11 15 001 _ <5*
<br /> R W 1 12/04/01 768 1864 -1096 000 -- __ _
<br /> --
<br /> RWI 03/05/02 768 1780 -10 12 000 148 820 214 298 3,360 h 97 0
<br /> RWI 03/05/02 7 68
<br /> <0 5*
<br /> RWI 06/11/02 768 1828 -1060 0 00 755 250 120 95 0 1,640 h 23 5
<br /> RWI 06/11/02 768
<br /> <0 5*
<br /> RWI 09/10/02 768 1950 -11 82 000 63 4 31 3 121 116 2,750 h 295
<br /> RWI 09/10/02 768
<br /> RWI 12/18/02 768 1927 -1159 000 130 910 228 255 2,400 h 240
<br /> R W I 12/19/02 768
<br /> RWI 03/24/03 768 1875 -1107 000 C5*
<br /> RWI 03125/03 7 68 --
<br /> R W 1 03/25/03 768 �- -- ]05 698 163 224 3,690 h 208
<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 -22 66 000 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 31 08 -2295 000 580 2,300 580 3,600 13,000
<br /> RW2 05/02/91 8 13 3097 -2284 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 33 03 -24 90 000 130 630 250 1,400 11,000 --
<br /> RW2 02/23/93 8 13 2971 -2158 000 130 580 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 08/22/93 813 2857 -2044 000 330 1,100 620 1,900 15,000
<br /> RW2 12/30/93 8 13 27 88 -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 --
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<br /> Pabe 30 o1 47
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