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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( /L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) (feet) _ (feet) _ _ (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> RWI 11/04/96 905 23 81 -1476 000 710 2,600 1,200 3,200 23,000 900
<br /> RWI 02/03/97 9 05 1963 -1058 000 390 1,900 680 2,000 16,000 440
<br /> RWI 05/08/97 770 1976 -12 06 000 430 2,000 860 2,300 18,000 620
<br /> RWI 08/26/97 770 2051 -1281 000 600 2,600 1,200 3,400 21,000 380
<br /> RWI 11/11/97 770 21 It -1341 000 410 1,500 750 1,800 13,000 520
<br /> RW1 11/11/97 770 <25*
<br /> RWI 03/03/98 770 15 51 -7 81 000 320 1,300 660 1,700 11,000 420
<br /> RWI 03/03/98 770 <33*
<br /> RW l 05/20/98 770 1530 -760 000 310 1,500 670 1,800 13,000 760
<br /> RWI 05/20/98 770 <33*
<br /> RWI 08/19/98 770 16 75 -9 05 000 340 1,200 630 1,700 18,000 1,100
<br /> RWI 08/19/98 770 <40*
<br /> RWI 11/18/98 770 1721 -951 000 250 840 520 1,100 8,200 90
<br /> RWI 03/30/99 770 1531 -7 61 000 197 678 432 967 8,150 <20
<br /> RWI 05/05/99 770 1566 -796 000 234 833 499 1,270 8,680 58 4
<br /> RWI 08/20/99
<br /> 770 1731
<br /> -9 61 0 00 234 415 409 728
<br /> 6,450 315
<br /> RWI 12/06/99 770 1742 -9 72 000 180 220 310 500 4,300 <5
<br /> RWI 02/29/00 770 1505 -735 000 280 200 750 1,270 14,000 <1
<br /> RWI 05/16/00 770 1488 -7 18 000 280 190 670 1,010 10,000 15
<br /> RWI 09/11/00 770 1725 -955 000 300 240 550 950 9,400 <5
<br /> RWI 12/13/00 770 17 17 -947 000 330 470 1,400 3,210 29,000 <120
<br /> RWI 03/08/01 770 1635 -865 000 53 14 120 128 2,300 <0 5
<br /> RWI 06/21/01 770 1770 -1000 000 130 300 530 1,450 17,000 24
<br /> RWI 06/21/01 770 <5*
<br /> RWI 09/20/01 770 1886 -11 15 001 -- -- -- --
<br /> RWI
<br /> -RW1 12/04/01 7 68 1864 -1096 000 -- -- -- --
<br /> RWI
<br /> -RW1 03/05/02 768 1780 -1012 000 148 820 214 298 3,360 h 97 0
<br /> RW 1 03/05/02 768 <0 5*
<br /> RWI 06/11/02 768 1828 -1060 000 755 250 120 950 1,640 h 23 5
<br /> RWI 06/11/02 768 <0 5*
<br /> RWI 09/10/02 7 68 1950 -11 82 0 00 634 31 3 121 116 2,750 h 295
<br /> RW 1 09/10/02 768 <0 5*
<br /> g 1orojec[s1739421mas1ef�wp1g0304%3942gw As Page 32 of 52
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