|
TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration (µg/L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> MW9 12/04/01 652 1685 -1033 000
<br /> MW9 03/05/02 652 16,00 -9.48 000 --
<br /> MW9 03/06/02 652 -- -- -- <0 5 <0 5 <0 5 <0 5 101 h 102
<br /> MW9 03/06/02 652 150*
<br /> MW10 04/11/88 861 2318 -1457 000 640 130 170 140 3,100 --
<br /> MW 10 09/13/88 861 25 85 -17 24 000 4,800 130 340 240 7,700 --
<br /> MW 10 11/16/88 861 2608 -1747 000 5,800 290 700 340 9,400 --
<br /> MW 10 02/09/89 861 2570 -1709 000 7,500 450 220 320 8,800 --
<br /> MW10 05/31/89 861 2744 -1883 000 11,000 320 1,600 800 24,000 -
<br /> M W 10 08/17/89 8 61 2945 -2094 000 12,000 2,100 3,100 2,500 35,000 --
<br /> MW 10 03/21/90 861 Not accessible -- -_ __
<br /> MW 10 05/17/90 961 Not accessible __ __ __
<br /> MW 10 06/27/90 861 3252 -2391 000 9,700 4,800 2,400 5,300 51,000 --
<br /> MW 10 09/25/90 861 33 95 -2534 000 13,000 9,900 2,700 8,900 71,000 --
<br /> MW10 12/19/90 861 3379 -25 18 000 16,000 16,000 3,300 11,000 81,000 --
<br /> MW10 01/30/91 861 3424 -2563 000 18,000 15,000 2,600 9,900 62,000 --
<br /> MW 10 05/02/91 861 3424 -2563 000 6,900 5,700 2,100 5,900 27,000 --
<br /> MW10 07/16-17/91 861 35 13 -26 52 a 000 -- -- __ __ __
<br /> MW10 10/15/91 861 Dry
<br /> MW 10 01/28/92 861 3386 -25 25 000
<br /> MW 10 04/30/92 861 3352 -2491 000
<br /> MW 10 08/13/92 861 3500 -2639 000
<br /> MW10 10/08/92 861 Dry __ __ __ __ --
<br /> MW10 02/23/93 8 6l 3285 -2424 000 1,100 17,000 3,300 15,000 91,000 --
<br /> MW10 05/18/93 861 3132 -2271 000 6,200 9,200 1,400 5,300 44,000
<br /> MW 10 08/22/93 861 3170 -2309 000 7,800 15,000 1,700 7,900 66,000 --
<br /> MW 10 12/30/93 861 30 79 -22 18 000 -- -- __ __
<br /> MW l0 02/17/94 861 3025 -2164 000 870 1,300 310 770 9,400 -
<br /> MW10 05/10/94 861 2975 -21 12 000 1,400 3,800 470 1,700 21,000
<br /> MW 10 08/02/94 861 3133 -2272 000 510 130 150 400 5,700 --
<br /> MW10 11/01/94 861 3176 -2315 000 4,100 16,000 1,600 7,500 64,000 -
<br /> MW 10 02/17/95 861 2929 -2068 000 1,300 4,400 780 2,500 21,000 --
<br /> MW 10 05/11/95 861 2646 -1785 000 360 750 230 480 6,300 --
<br /> g 4projects173942VmsterlwpW3020942gw xis Page 16 of 39
<br />
|