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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 (µg/L,)
<br /> Wel] Elevation to Water Elevation Thickness Ethyl-
<br /> Numbei Date (feet) (feet) (feet) (feet) Benzene Toluene benzene _Xylenes____TPH-g MTBE
<br /> V 1 03/30/99 760 -- -- -- -- -- -- -- -- --
<br /> V 1 05/05/99 760 Well dry -- -- -- -- -- --
<br /> 111 08/20/99 760 Well dry -- - -- -- --VI 12/06/99 760 -- - -- -- -- -- -- --
<br /> 1'1 02/29/00 760 -- -- -- -- -- -- -- -- --
<br /> V 1 05/16/00 7 60 -- -- -- -- -- -- -- -- --
<br /> V 1 09/11/00 760 -- -- -- -- -- -- -- --
<br /> V 1 12/13/00 760 1705 -945 000 83 170 24 128 970 <0 5
<br /> Vi 03/08/01 760 1622 -862 000 330 280 140 520 4,200 <2 5
<br /> VI 06/21/01 760 1761 -1001 000 1,500 830 560 1,690 13,000 <12
<br /> Vi 09/20/01 760 1875 -11 15 000 970 760 440 1,200 8,400 <2 5
<br /> Vi 12/04/01 758 1853 -1095 000 4,200 12,000 2,000 9,400 76,000 <5*
<br /> VI 03/05/02 7 58 1765 -1007 000 892 30,600 4,850 24,100 62,400 h <10
<br /> VI 06/11/02 759 18 15 -1057 Sheen 3,650 9,870 2,080 9,260 62,100 h 600
<br /> V] 06/11/02 758 <25*
<br /> Vi 09/10/02 758 1935 -1177 000 5,590 19,300 3,270 15,600 104,000 h 180
<br /> VI 09/10/02 758 <50*
<br /> V] 12/18/02 758 1920 -1162 000 3,160 12,000 2,160 10,400 56,200 h <50
<br /> VI 03124103 758 18 65 -11 07 000 2,490 7,280 1,820 8,020 50,500 h <25
<br /> V1 06/11/03 758 1875 -1117 000 2,660 7,160 2,000 8,100 48,100 h 558
<br /> VI 06/11/03 758 <5*
<br /> VI 09/17/03 758 20 13 -1255 000 3,390 9,340 2,550 10,300 58,800 h 105
<br /> VI 09/17/03 758 <5*
<br /> V1 12/08/03 758 2010 -1252 000 3,030 8,020 2,440 9,010 62,600 h 250
<br /> V 1 12/08/03 758 <5*
<br /> V2 05/02/91 930 32 62 -2332 000 -- -- -- -- -- --
<br /> V2 07/16-17191 930 3357 -2427 000 -- -- -- -- --
<br /> V2 10/15/91 930 34 08 -2478 000 27,000 43,000 4,300 22,000 190,000 --
<br /> V2 01/28/92 930 3238 -2308 000 27,000 42,000 5,100 25,000 150,000 --
<br /> V2 04/30/92 930 3203 -2273 000 27,000 37,000 3,700 17,000 140,000 -
<br /> V2 08/13/92 930 3399 -24 69 0 00 28,000 49,000 5,600 28,000 220,000 --
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