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TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH _ Concentration(ICgIL)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g_ MTBE
<br /> i
<br /> P2 05/20/98 679 1398 -7 19 000 82 <2 0 18 2 0 980 <10
<br /> P2 05/20/98 679 <2 0*
<br /> P2 08/19/98 679 1523 -844 000 7 2 <2 5 8 6 <2 5 850 <12
<br /> P2 08/19/98 679 <2 0*
<br /> P2 11/18/98 679 1575 -896 000 20 <5 0 10 <5 0 1,100 <25
<br /> P2 03/30/99 679 14 07 -728 000 <0 5 <0 5 581 <0 5 950 <2 0
<br /> P2 05/05/99 679 1430 -751 000 <0 5 <0 5 836 <0 5 688 281
<br /> P2 08/20/99 679 1597 -9 18 000 9 59 197 389 1 30 489 252
<br /> P2 12/06/99 679 -- -- __ __
<br /> P2 02/29/00 679
<br /> P2 05/16/00 679
<br /> P2 09/11/00 679
<br /> P2 12/13/00 679
<br /> P2 03/08/01 679
<br /> P2 06/21/01 679
<br /> P2 09/20/01 679
<br /> P2 12/04/01 677
<br /> P2 03/05/02 677
<br /> P2 06111/02 677 -- -- -- -- -- -- -- -- --
<br /> P2 09/10/02 677 -- -- ._
<br /> RW I 05/22/90 9 05 3074 -2169 000 2,000 7,500 2,000 9,800 58,000 --
<br /> RW 1 09/25/90 905 3237 -2332 000 7,100 16,000 2,000 9,200 72,000 --
<br /> RW I 12/19/90 9 05 3229 -2324 000 9,000 20,000 2,300 11,000 73,000 --
<br /> R W 1 01/30/91 9 05 3267 -2362 000 4,400 13,000 1,700 8,400 57,000 --
<br /> RW 1 05/02/91 9 05 3263 -2358 000 5,700 17,000 2,700 12,000 67,000 --
<br /> R W 1 07116-17191 905 33 59 -2454 000 5,100 17,000 1,700 8,100 61,000 --
<br /> RW1 10/15/91 9 05 3402 -2497 000 7,000 21,000 2,600 12,000 93,000 --
<br /> RW 1 01/28/92 9 05 3236 -2331 000 5,500 18,000 2,500 10,000 66,000 --
<br /> RW 1 04/30/92 905 -- -- __ __
<br /> RW 1 08/13/92 905 3393 -2488 000 4,700 19,000 2,500 12,000 92,000 --
<br /> RW I 10/08/92 905 3448 -2543 000 2,200 8,400 1,500 6,600 52,000 --
<br /> RW 1 02/23/93 905 3169 -22 64 000 1,800 4,100 1,000 3,900 26,000 --
<br /> RW1 05/18/93 905 2974 -2069 000 1,900 7,800 1,300 5,000 36,000 --
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