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<br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHM 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 /> UVB-MW2 09/17/03 774 <0 5*
<br /> UVB-MW2 12/08/03 774 2049 -1275 0 00 400 3 2 48 91 2,280 h 13 9
<br /> UVB-MW2 12/08/03 774 <0 5*
<br /> UVB-MW2 03/02/04 774 19 04 -1130 000 754 28 2 7 6 0 2,640 h 270
<br /> UVB-MW2 03/02/04 774 <0 5*
<br /> UVB-MW2 06/28/04 7 74 2028 -1254 000 -- -- -- -- --
<br /> UVB-MW2 06/29/04 774 -- - -- 117 5 0 48 10 6 2,550 h 240
<br /> UVB-MW2 06/29/04 774 <0 5*
<br /> UVB-MW2 09/27/04 7 74 21 17 -1343 000 -- -- -- -- --
<br /> UVB-MW2 09/28/04 774 -- -- -- 211 340 570 167 3,660 h <5
<br /> UVB-MW2 12/01/04 7 74 2077 -1303 000 -- -- -- -- -- --
<br /> UVB-MW2 12/02/04 774 -- -- -- 193 319 209 644 4,000 h 414
<br /> UVB-MW2 12/02/04 774 <0 5*
<br /> VI 05/02/91 857 3174 -23 17 000 20,000 49,000 4,700 25,000 130,000 --
<br /> V1 07/16-17/91 957 3270 -2413 000 14,000 44,000 3,000 15,000 170,000
<br /> VI 10/15/91 857 3325 -2468 000 18,000 51,000 4,200 23,000 200,000
<br /> VI 01/28/92 857 3151 -2294 Sheen 20,000 58,000 2,400 23,000 150,000 --
<br /> V1 04/30/92 857 31 12 -2255 000 15,000 43,000 3,000 18,000 130,000 --
<br /> V1 08/13/92 857 33 17 -2460 000 12,000 44,000 3,600 20,000 180,000
<br /> V1 10/08/92 857 3376 -25 18 001 Not sampled-LPH
<br /> V 1 02/23/93 857 3047 -2190 0 00 9,800 19,000 3,700 18,000 100,000 --
<br /> Vi 05/18/93 857 -- -- -- -- -- -- --
<br /> VI
<br /> -VI 08/22/93 857 2970 -21 13 000 -- -- -- --VI 12/30/93 8 57 2905 -2048 000 -- -- -- -- -' "'
<br /> V1 02/17/94 857 2873 -20 16 000 -- -- -- -- -- -'
<br /> V1 05/10/94 857 2833 -1976 000 8,200 37,000 3,600 17,000 110,000
<br /> VI 08/02/94 857 -- -- -- -- -- --
<br /> V 1
<br /> -V1 11/01/94 8 57 3005 -2148 000 -- -- -- -- --
<br /> VI 02/17/95 857 2763 -1906 000 -- -- -- --VI 05/11/95 8 57 2487 -1630 000 -- -- -- -- --VI 08/24/95 8 57 -- -- --
<br /> V1 10/19/95 857 Well dry -- -- --V1 02/13/96 8 57 Well dry -- -- -- -' -- --
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