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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 /> V3 08/22/93 899 31 33 -2234 000
<br /> V3 12/30/93 899 3051 -2152 000
<br /> V3 02/17/94 899 3008 -21 09 000
<br /> V3 05/10/94 899 2955 -2056 000
<br /> V3 08/02/94 899 -- -- __
<br /> V3 11/01/94 899 31 52 -22 53 000 -- -- _- __ __ _
<br /> V3 02/17/95 899 2893 -1994 000 250 10,000 5,100 23,000 85,000 --
<br /> V3 05/11/95 899 26 19 -1720 000 110 7,200 4,100 19,000 70,000 --
<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 0 00 <100 5,200 3,600 16,000 69,000 <500
<br /> V3 02/13/96 899 25 39 -1640 0 00 370 4,900 3,500 16,000 76,000 1,900
<br /> V3 04/18/96 899 23 83 -1484 0 00 <100 4,200 3,400 16,000 73,000 <500
<br /> V3 08/08/96 8 99 2444 -1545 000 <125 3,800 3,800 18,000 53,000 <625
<br /> V3 11/04/96 899 24 65 -1566 000 <100 3,500 3,700 17,000 73,000 <500
<br /> V3 02/03/97 899 2027 -11 28 000 130 3,400 3,800 18,000 72,000 690
<br /> V3 05/08/97 763 1978 -12 15 000 <50 1,600 2,500 12,000 47,000 740
<br /> V3 08/26/97 763 21 20 -1357 000 53 1,200 2,100 9,000 36,000 260
<br /> V3 11/11/97 763 2262 -1499 000 140 1,600 3,000 13,000 48,000 690
<br /> V3 03/03/98 763 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 11/18/98 763 17 11 -948 000 <25 680 1,800 7,000 20,000 <125
<br /> V3 03/30/99 763 1595 -832 000 <25 781 2,180 8,630 37,500 <100
<br /> V3 05/05/99 763 15 95 -8 32 000 <10 389 1,040 4,500 14,400 77 4
<br /> V3 08/20/99 763 -- -_ __ __ __
<br /> V3 12/06/99 763 --
<br /> V3 02/29/00 763
<br /> V3 05/16/00 7 63 -- -- __ __ __
<br /> V3 09111106 7 63 1760 -9 97 0 00 8 5 20 8 2 36 390 <0 5
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