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TABLE I (continued)
<br /> Casing Depth Groundwater LPH Concentration(pg/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 /> P2 05/08/97 679 1724 -1045 000 18 <2 5 42 6 5 1,700 15
<br /> 08/26/97 18 96 -12 17 000 17 <2 0 25 2 6 1,500 11
<br /> 11/11/97 1950 -1271 000 25 <5 0 25 <5 0 1,300 <25
<br /> 03/03/98 1406 -727 000 17 <5 0 27 <5 0 1,400 <25
<br /> 03/03/98 <2 0*
<br /> 05/20/98 1398 -719 000 8 2 <2 0 18 2 0 980 <10
<br /> 05/20/98 <2 0*
<br /> 08/19/98 1523 -844 000 7 2 <2 5 8 6 <2 5 850 <12
<br /> 08/19/98 <2 0*
<br /> 11/18/98 1575 -896 000 20 <5 0 10 <5 0 1,100 <25
<br /> 03/30/99 14 07 -7 28 000 <0 5 <0 5 5 81 <0 5 950 <2 0
<br /> 05/05/99 1430 -751 000 <0 5 <0 5 836 <0 5 688 2 81
<br /> 08/20/99 1597 -9 18 000 959 197 3 89 130 489 252
<br /> 12/06/99 -- -- -- - -- -- -- -- --
<br /> RW 1 05/22/90 905 3074 -21 69 000 2,000 7,500 2,000 9,800 58,000 --
<br /> 09/25/90 3237 -23 32 000 7,100 I6,000 2,000 9,200 72,000
<br /> 12/19/90 3229 -2324 000 9,000 20,000 2,300 11,000 73,000 --
<br /> 01/30/91 32 67 -2362 000 4,400 13,000 1,700 8,400 57,000 --
<br /> 05/02/91 3263 -23 58 000 5,700 17,000 2,700 12,000 67,000 --
<br /> 07/16-17191 3359 -24 54 000 5,100 17,000 1,700 8,100 61,000 --
<br /> 10/15/91 3402 -2497 000 7,000 21,000 2,600 12,000 93,000 --
<br /> 01/28/92 3236 -2331 000 5,500 18,000 2,500 10,000 66,000 --
<br /> 04/30/92 -- -- -- --
<br /> 08/13/92 3393 -24 88 000 4,700 19,000 2,500 12,000 92,000 --
<br /> 10/08/92 3448 -2543 000 2,200 8,400 1,500 6,600 52,000 --
<br /> 02/23/93 3169 -22 64 000 1,800 4,100 1,000 3,900 26,000 --
<br /> 05/18/93 2974 -2069 000 1,900 7,800 1,300 5,000 36,000 --
<br /> 08/22/93 3003 -2098 000 1,800 7,600 1,500 5,800 39,000 --
<br /> 12/30/93 2938 -2033 000 1,600 2,400 1,300 3,700 20,000 --
<br /> 02/17/94 2897 -1992 000 1,000 4,000 1,100 3,600 26,000 --
<br /> 73942 Q1299 TI US Page 21
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