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<br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration(�tg/L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> V3 08/24/95 899 2734 -1835 000 <200 6,500 4,400 20,000 56,000 --
<br /> V3 10/19/95 899 2777 -1878 000 <100 5,200 3,600 16,000 69,000 <500
<br /> V3 02/13/96 8 99 2539 -1640 000 370 4,900 3,500 16,000 76,000 1,900
<br /> V3 04/18/96 899 23 83 -1484 000 <100 4,200 3,400 16,000 73,000 <500
<br /> V3 08/08/96 899 2444 -1545 000 <125 3,800 3,800 18,000 53,000 <625
<br /> V3 11/04/96 899 2465 -1566 0 00 <100 3,500 3,700 17,000 73,000 <500
<br /> V3 02/03/97 899 2027 -1128 000 130 3,400 3,800 18,000 72,000 690
<br /> V3 05/08/97 7 63 1978 -12 15 000 <50 1,600 2,500 12,000 47,000 740
<br /> V3 08/26/97 7 63 2120 -13 57 000 53 1,200 2,100 9,000 36,000 260
<br /> V3 11/11/97 763 22 62 -14 99 000 140 1,600 3,000 13,000 48,000 690
<br /> V3 03/03/98 7 63 1693 -930 000 120 2,300 4,000 18,000 82,000 <250
<br /> V3 03/03/98 763 <200*
<br /> V3 05/20/98 763 1864 -1101 000 88 1,200 2,900 14,000 44,000 730
<br /> V3 05/20/98 763 <100*
<br /> V3 08/19/98 763 1741 -978 000 <25 410 970 4,200 13,000 <125
<br /> V3 08/19/98 763 <67*
<br /> V3 11/18/98 7 63 1711 -948 000 <25 680 1,800 7,000 20,000 <125
<br /> V3 03/30/99 763 15 95 -832 000 <25 781 2,180 8,630 37,500 <100
<br /> V3 05/05/99 7 63 15 95 -832 0 00 <10 389 1,040 4,500 14,400 774
<br /> V3 08/20/99 7 63 -- -- -- -- -- -- -- -- --
<br /> V3 12/06/99 7 63 -- -- -- -- -- -- -- -- --
<br /> V3 02/29/00 7 63
<br /> V3 05/16/00 7 63 -- -- -- -- -- -- -- -- --
<br /> V3 09/11/00 7 63 1760 -997 000 8 5 20 8 2 36 390 <0 5
<br /> V3 12/13/00 763 1745 -9 82 000 11 110 440 1,150 6,000 <2 5
<br /> V3 03/08/01 763 16 70 -9 07 000 <25 640 2,100 8,900 40,000 <25
<br /> V3 06/21/01 763 1807 -1044 000 <0 5 3 1 20 346 1,500 30
<br /> V3 06/21/01 763 <5*
<br /> V3 09/20/01 7 63 1925 -1162 000 9 8 18 46 132 950 <0 5
<br /> V3 12/04/01 7 61 1904 -1143 000 <50 260 960 4,200 19,000 <5*
<br /> V3 03/05/02 7 61 1820 -1059 000 -- -- -- -- -- --
<br /> V3 03/06/02 7 61 -- -- -- 260 484 1,390 5,280 13,900 h 102
<br /> V3 03/06/02 7 61 <10*
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