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<br /> TABLE 1 (continued)
<br /> Casing Depth Groundwater LPH Concentration(gg/L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> No Date (ft msl) (ft) (ft msl) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> MWS 05/17/90 778 2787 -2009 000 520 5,500 3,900 20,000 67,000 --
<br /> 09/25/90 29 17 -2139 0 00 -- -- -- -- --
<br /> 12/19/90 29 13 -2135 0 00 -- -- -- -- -- --
<br /> 01/30/91 Dry -- -- -- -- --
<br /> 05/02/91 2939 -2161 0 00 830 5,900 4,900 23,000 57,000 --
<br /> 07/16-17191 2990 -22 12 a 0 00 -- -- -- -- --
<br /> 10/15/91 Dry -- -- -- -- --
<br /> 01/28/92 2931 -21 53 0 00 -- -- -- -- --
<br /> 04/30/92 2884 -2106 a 0 00 -- -- -- --
<br /> 08/13/92 2991 -22 13 a 000 -- -- -- -- -- --
<br /> 10/08/92 Dry -- -- -- -- --
<br /> 02/23/93 28 13 -2035 0 00 1,100 5,400 3,300 11,000 49,000 --
<br /> 05/18/93 2671 -1893 000 850 5,800 3,400 13,000 53,000 --
<br /> 08/22/93 2695 -19 17 000 650 4,400 3,500 13,000 52,000 --
<br /> 12/30/93 2639 -1861 000 820 6,200 4,200 14,000 50,000 --
<br /> 02/17/94 26 10 -1832 000 510 3,800 3,400 13,000 44,000 --
<br /> 05/10/94 25 83 -18 05 000 520 4,200 3,800 13,000 49,000 --
<br /> 08/02/94 2729 -1951 000 290 1,900 1,900 7,500 28,000 --
<br /> 11/01/94 2764 -1986 000 460 1,700 3,700 14,000 56,000 --
<br /> 02/17/95 2500 -1722 000 500 3,900 4,000 15,000 72,000 --
<br /> 05/11/95 2242 -14 64 000 680 5,900 4,700 19,000 80,000 --
<br /> 08/24/95 2377 -15 99 000 520 4,700 4,800 17,000 65,000 --
<br /> 10/19/95 2437 -1659 000 150 1,400 2,400 8,600 52,000 <250
<br /> 02/13/96 22 15 -1437 000 190 2,100 2,600 10,000 57,000 --
<br /> 04/18/96 1980 -1202 000 130 1,700 2,400 9,400 43,000 <125
<br /> 08/08/96 21 11 -13 33 000 200 2,700 3,300 13,000 46,000 <250
<br /> 11/04/96 2155 -13 77 000 160 1,700 2,700 9,600 48,000 <250
<br /> 02/03/97 1678 -900 000 <100 1,400 2,500 9,900 42,000 <120
<br /> 05/08/97 645 1666 -1021 0 00 110 880 2,100 7,800 41,000 120
<br /> 08/26/97 1846 -1201 000 93 950 2,200 7,500 35,000 150
<br /> 11111/97 1898 -1253 0 00 <50 700 2,500 9,100 36,000 <250
<br /> I1/I1/97 69*
<br /> 73942 Q200 T1 XLS Page 11
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