|
TABLE 1 (continued)
<br /> Casing Depth Groundwater LPH Concentration (pg/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 /> MW9 11/11/97 657 180*
<br /> MW 10 04/11/88 8 61 23 18 -1457 000 640 130 170 140 3,100
<br /> 09/13/88 25 85 -1724 000 4,800 130 340 240 7,700 -
<br /> 11/16/88 2608 -1747 000 5,800 290 700 340 9,400 --
<br /> 02/09/89 2570 -1709 000 7,500 450 220 320 8,800 --
<br /> 05/31/89 27 44 -18 83 000 11,000 320 1,600 800 24,000 --
<br /> 08/17/89 2945 -20 84 000 12,000 2,100 3,100 2,500 35,000 --
<br /> 03/21/90 Not accessible -_ __
<br /> 05/17/90 Not accessible -_ __ __
<br /> 06/27/90 3252 -23 91 000 9,700 4,800 2,400 5,300 51,000 --
<br /> 09/25/90 3395 -2534 000 13,000 9,900 2,700 8,900 71,000 --
<br /> 12/19/90 3379 -25 18 000 16,000 16,000 3,300 11,000 81,000 --
<br /> 01/30/91 3424 -25 63 000 18,000 15,000 2,600 9,900 62,000 --
<br /> 05/02/91 3424 -2563 000 6,900 5,700 2,100 5,900 27,000 --
<br /> 07/16-17/91 35 13 -26 52 a 000 -- -_ __ __
<br /> 10/I5/91 Dry
<br /> 01/28/92 3386 -25 25 000 -- -- -- -- --
<br /> 04/30/92 3352 -2491 000
<br /> 08/13/92 3500 -2639 000
<br /> 10/08/92 Dry -- -- -- -- -- --
<br /> 02/23/93 3285 -24 24 000 1,100 17,000 3,300 15,000 91,000
<br /> j 05/18/93 3132 -2271 000 6,200 9,200 1,400 5,300 44,000 --
<br /> 08/22/93 31 70 -23 09 000 7,800 15,000 1,700 7,900 66,000 --
<br /> 12/30/93 3079 -22 18 000 -- -_ __ __ __
<br /> 02/17/94 3025 -2164 000 870 1,300 310 770 9,400 --
<br /> 05/10/94 2975 -21 12 000 1,400 3,800 470 1,700 21,000 -
<br /> XLS73942Q 1197T12 Mabe 12
<br /> I
<br />
|