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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 Ethyl-
<br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> SW2 06/23/05 753 -- -- -- 1,390 178 572 22 2 4,870 h <0 5*
<br /> SW2 10/12/05 7 53 1994 -1241 000 -- -- -- -- --
<br /> SW2 10/13/05 7 53 -- -- -- 1,400 36 94 45 6,300 h <5 0
<br /> SW2 I,p 10/13/05 753 -- -- -- 1,500* 42* 92* 56* 5,600 h <5*,<10*
<br /> SW2 12/22/05 7 53 19 68 -1215 000 1,000 <25 42 <25 4,100 h <120
<br /> UVB-MWI 02/28/97 742 1867 -- 000 7,200 18,000 2,000 11,000 99,000 1,100
<br /> UVB-MW 1 05/08/97 742 1876 -1134 000 5,900 15,000 1,800 9,000 86,000 1,600
<br /> UVB-MW 1 05/08/97 742 <200*
<br /> UVB-MWI d 08/26/97 742 2050 -1308 000 700 18 19 42 2,400 77
<br /> UVB-MWI 10/02/97 742 -- -- -- 1,200 1,400 240 2,400 17,000 300
<br /> UVB-MW 1 11/11/97 742 21 10 -13 68 000 9,400 16,000 2,300 11,000 91,000 2,200
<br /> UVB-MWI 11/11/97 742 <200*
<br /> UVB-MW 1 03/03/98 742 15 55 -8 13 000 13,000 36,000 3,600 18,000 140,000 3,200
<br /> UVB-MWI 03/03/98 742 <200*
<br /> UVB-MW 1 05/20/98 742 1523 -781 000 12,000 32,000 3,500 19,000 140,000 3,300
<br /> UVB-MWI 05/20/98 742 <133*
<br /> UVB-MW 1 08/19/98 742 1698 -956 000 13,000 22,000 2,900 14,000 100,000 <1,250
<br /> UVB-MWI 08/19/98 742 <100*
<br /> UVB-MW 1 11/18/98 742 1720 -978 000 12,000 27,000 3,200 16,000 100,000 <1,000
<br /> UVB-MWI 03/30/99 742 1631 -889 000 11,600 25,400 3,390 17,200 144,000 <400
<br /> UVB-MWI 05/05/99 742 1629 -887 000 14,200 28,800 3,360 17,600 105,000 238
<br /> UVB-MW 1 08/20/99 742 1700 -958 000 9,330 19,300 2,890 16,300 104,000 1,970
<br /> UVB-MWI 12/06/99 742 1732 -990 000 11,000 26,000 3,500 18,800 130,000 <500
<br /> UVB-MWI 02/29/00 742 1507 -765 000 13,000 31,000 4,200 23,100 180,000 <250
<br /> UVB-MWI 05/16/00 742 1473 -731 000 14,000 31,000 4,000 27,100 160,000 <250
<br /> UVB-MWI 09/11/00 742 17 11 -9 69 000 12,000 22,000 3,800 18,300 130,000 <120
<br /> UVB-MW 1 12/13/00 742 1705 -9 63 000 13,000 28,000 4,100 21,400 130,000 <120
<br /> UVB-MWI 03/08/01 742 1623 -881 000 13,000 27,000 4,900 24,400 210,000 <120
<br /> UVB-MWI 06/21/01 742 1764 -1021 002 11,000 19,000 4,000 19,900 140,000 <120
<br /> UVB-MW 1 09/20/01 742 1887 -1145 000 11,000 24,000 4,200 21,400 210,000 <50
<br /> UVB-MW 1 12/04/01 740 18 55 -11 15 000 -- -- -- -- -- --
<br /> UVB-MWI 03/05/02 740 1765 -1025 0 00 9,090 29,600 3,100 19,700 96,700 h <25
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