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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 /> �' It Elevation to Water Elevation Thickness Ethyl-
<br /> NUmbel Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> UVB-MWI 12/06/99 742 17 32 -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-MW 1 09/11/00 742 17 11 -969 000 12,000 22,000 3,800 18,300 130,000 <120
<br /> UVB-MWI 12/13/00 742 1705 -963 000 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-M W 1 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 18 87 -1145 000 11,000 24,000 4,200 21,400 210,000 <50
<br /> UVB-MWI 12/04/01 740 1855 -11 15 000 -- -- -- -- -- --
<br /> UVB-MW i 03/05/02 740 1765 -1025 000 9,090 29,600 3,100 19,700 96,700 h <25
<br /> UVB-MWI 06/11/02 740 1818 -1078 Sheen 8,440 19,100 2,620 13,600 108,000 h <100
<br /> UVB-M W l 09/10/02 740 1949 -1209 Sheen 9,460 13,700 2,830 13,700 110,000 h 160
<br /> UVB-MWI 09/10/02 740 <50*
<br /> UVB-MWI 12/18/02 740 1922 -11 82 000 11,600 27,500 3,600 17,400 122,000 h 460
<br /> UVB-MWI 12/18/02 740 <100*
<br /> WB-MWI 03/24/03 740 1858 -11 18 000 7,580 16,800 2,420 12,200 110,000 h <50
<br /> UVB-MWI 06/11/03 740 1879 -11 39 Sheen 8,620 19,000 3,240 15,600 106,000 li 420
<br /> UVB-MWI 06/11/03 740 <5*
<br /> UVB-MWl 09/17/03 740 2025 -1285 000 10,600 22,700 4,100 19,200 129,000 h 280
<br /> UVB-MWl 09/17/03 740 <5*
<br /> UVB-MWI 12/08/03 740 2047 -13 06 001 10,000 19,400 3,750 16,500 140,000 h 550
<br /> UVB-MWI 12/08/03 740 <5*
<br /> UVB-MWI 03/02/04 740 1869 -1129 000 6,500 11,900 2,130 11,500 80,300 h <50*
<br /> UVB-1\4W2 02/28/97 775 1796 -- 0 00 200 1,100 190 1,700 9,400 <2 5
<br /> UVB-MW2 05/08/97 775 1994 -12 19 0 00 092 <0 5 <0 5 17 58 3 0
<br /> UVB-MW2 d 08/26/97 775 20 87 -13 12 000 12,000 23,000 2,700 13,000 120,000 1,300
<br /> UVB-MW2 10/02/97 775 -- -- -- <0 5 <0 5 <0 5 <0 5 <50 <2 5
<br /> UVB-MW2 11/11/97 7 75 2143 -1368 000 <0 5 099 066 4 1 <50 <2 5
<br /> UVB-M%' 2 03/03/98 775 1595 -820 000 2,200 190 <20 1,300 12,000 <100
<br /> UVB-MW2 03/03/98 775 <20*
<br /> UVB-MW2 05/20/98 775 15 82 -807 000 2,500 180 950 1,300 16,000 560
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