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<br /> TABLE 1 (continued)
<br /> Casing Depth Groundwater LPH Concentration(µg/L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> No Date (ft MSI) (ft) (ft msl) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> RW3 11/01/94 889 3059 -2170 000 11,000 16,000 2,800 14,000 92,000 --
<br /> 02/I7/95 2808 -19 19 000 9,800 12,000 2,600 11,000 79,000 --
<br /> 05/11/95 2537 -1648 000 7,600 10,000 2,700 12,000 90,000 --
<br /> 08/24/95 2672 -1783 000 9,600 15,000 4,600 20,000 100,000 --
<br /> 10/19/95 2705 -18 16 000 7,000 12,000 3,400 14,000 87,000 <1,000
<br /> 02/13/96 24 84 -1595 000 4,800 5,800 2,100 8,700 59,000 <500
<br /> 04/18/96 2245 -13 56 0 00 5,100 6,700 2,600 11,000 78,000 <250
<br /> 08/08/96 23 60 -1471 000 4,200 5,900 2,600 12,000 58,000 <1,250
<br /> 11/04/96 2394 -1505 000 4,300 4,300 2,600 11,000 67,000 <250
<br /> 02/03/97
<br /> -- -- -- -- -- --
<br /> 05/08/97 Converted to UVB well
<br /> RW4 01/30/91 923 34 80 -25 57 000 30,000 41,000 4,500 27,000 170,000 -
<br /> 05/02/91 3479 -25 56 000 16,000 34,000 4,200 22,000 110,000 --
<br /> 07/16-17/91 35 69 -2646 000 12,000 31,000 2,700 14,000 110,000 --
<br /> 10/15/91 3622 -2699 000 13,000 28,000 3,100 15,000 120,000 --
<br /> 01/28/92 3439 -25 16 000 13,000 30,000 3,600 18,000 110,000 --
<br /> 04/30/92 3404 -24 81 000 11,000 25,000 2,800 13,000 98,000 --
<br /> 08/13/92 36 18 -2695 000 8,500 24,000 2,500 13,000 120,000 --
<br /> 10/08/92 3678 -2755 000 6,000 17,000 1,700 10,000 95,000 --
<br /> 02/23/93 3332 -2409 000 7,000 16,000 3,000 14,000 88,000 --
<br /> 05/18/93 31 84 -22 61 000 5,700 18,000 2,600 4,100 57,000 --
<br /> 08/22/93 3220 -2297 000
<br /> 12/30/93 3133 -22 10 000 5,200 23,000 3,500 16,000 88,000 --
<br /> 02/17/94 3080 -2157 000
<br /> 05/I0/94 3023 -21 00 000 2,400 15,000 2,300 9,700 70,000 --
<br /> 08/02/94 3179 -22 56 000 4,100 26,000 4,000 18,000 100,000 --
<br /> 11/01/94 3227 -23 04 000 2,700 17,000 2,300 11,000 69,000 --
<br /> 02/17/95 2970 -2047 000 1,000 9,100 1,900 7,600 45,000 --
<br /> 05/11/95 2696 -1773 000 1,400 11,000 1,600 7,400 59,000 --
<br /> 08124195 2800 -1877 000 590 4,500 970 3,700 17,000 --
<br /> 739420398 TI XLS
<br /> Page 22
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