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rl ABLE l GROUNDWATER MONITORING DATA, FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE, STOCKTON, CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration ( )
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> No Date (feet ms]) (feet) (feet msl) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> P2 11/18/98 679 15 75 -896 000 20 <5 0 10 <5 0 1,100 <25
<br /> 03/30/99 679 1407 -728 000 <0 5 <0 5 5 81 <0 5 950 <2 0
<br /> 05/05/99 679 1430 -7 51 000 <0 5 <0 5 836 <0 5 688 2 81
<br /> 08/20/99 679 1597 -9 18 000 959 197 3 89 130 489 25 2
<br /> 12/06/99 679 -- -- -- -- -- __ __
<br /> 02/29/00 679 -- -- -- -- -- -- -- -- --
<br /> 05/16/00 679 -- -- -- -- -- -- -- _-
<br /> 09/11/00 679 -- -- -- --
<br /> 12/13/00 679
<br /> 03/08/01 679 -- -- --06/21/01 679 -- -- -- -- -- -- -- -- --
<br /> RW l 05/22/90 905 3074 -2169 000 2,000 7,500 2,000 9,800 58,000 --
<br /> 09/25/90 905 3237 -2332 000 7,100 16,000 2,000 9,200 72,000 --
<br /> 12/19/90 905 3229 -2324 000 9,000 20,000 2,300 11,000 73,000 --
<br /> 01/30/91 905 3267 -2362 000 4,400 13,000 1,700 8,400 57,000 --
<br /> 05/02/91 905 3263 -2358 000 5,700 17,000 2,700 12,000 67,000 --
<br /> 07/16-17191 905 3359 -2454 000 5,100 17,000 1,700 8,100 61,000 --
<br /> 10/15/91 905 3402 -2497 000 7,000 21,000 2,600 12,000 93,000 --
<br /> 01/28/92 9 05 3236 -2331 000 5,500 18,000 2,500 10,000 66,000 --
<br /> 04/30/92 9 05 -- -- -- -- -- -- -- --
<br /> 08/13/92 905 3393 -2488 000 4,700 19,000 2,500 12,000 92,000 --
<br /> 10/08/92 905 3448 -2543 000 2,200 8,400 1,500 6,600 52,000 --
<br /> 02/23/93 905 3169 -2264 000 1,800 4,100 1,000 3,900 26,000 --
<br /> 05/18/93 90S 2974 -2069 000 1,900 7,800 1,300 5,000 36,000 --
<br /> 08/22/93 9 05 3003 -2098 000 1,800 7,600 1,500 5,800 39,000 --
<br /> 12/30/93 905 2938 -2033 000 1,600 2,400 1,300 3,700 20,000 --
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