|
TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH _ Concentration(gg/I,)
<br /> Well Elevation to Water Elevation Thickness EthyI-
<br /> Number Date feet (feet) (feet) feet Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> MW10 12/30/93 861 3079 -22 18 0 00
<br /> MW 10 02/17/94 861 3025 -2164 0 00 870 1,300 310 770 9,400 --
<br /> MW10 05/10/94 861 2975 -21 12 0 00 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 /> MWIO 11/01/94 861 3176 -2315 000 4,100 16,000 1,600 7,500 64,000 --
<br /> MW10 02/17/95
<br /> 8 61 2929 -2068 000 1,300 4,400 780 2,500 21,000 --
<br /> MW10 05/11/95 861 2646 -1785 000 360 750 230 480 6,300 --
<br /> MW 10 08/24/95 8 61 2758 -1897 000 150 1,100 190 590 3,100 --
<br /> M W 10 10/19/95 861 2793 -1932 000 5 5 1 1 8 2 1 1 300 21
<br /> MW10 02/13/96 861 2567 -1706 000 1,600 15,000 1,400 6,500 64,000 --
<br /> MW 10 04/18/96 861 2320 -1459 000 1,100 8,900 1,100 4,400 42,000 <500
<br /> MW 10 08/08/96 861 2427 -1566 000 58 340 61 230 1,500 <50
<br /> MW 10 11/04/96 861 2451 -1590 000 140 3,400 410 1,600 15,000 <250
<br /> MW 10 02/03/97 861 2024 -1163 000 1,500 18,000 2,100 9,500 66,000 1,800
<br /> MW 10 05/08/97 729 1928 -1199 000 40 51 64 110 1,300 38
<br /> MW 10 08/26/97 729 21 11 43 82 000 2 1 14 3 7 <0 5 63 <2 5
<br /> MW 10 11/11/97 7 29 2162 -1433 000 18 0 60 0 84 <0 5 <50 3 1
<br /> MW 10 03/03/98 729 1630 -901 000 360 7,800 1,300 5,000 23,000 940
<br /> MW 10 03/03/98 729 <200*
<br /> MW 10 05/20/98 729 1562 -833 000 8 1 85 11 100 630 <5 0
<br /> MW10 05/20/98 729 <2 0*
<br /> MW 10 08/19/98 729 1706 -977 000 077 <0 5 <0 5 <0 5 <50 <2 5
<br /> MW 10 08/19/98 729 <2 0*
<br /> MW 10 11/18/98 729 1747 -1018 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5
<br /> MW 10 03/30/99 729 1554 -825 000
<br /> MW 10 05/05/99 729 15 84 -855 000 <0 5 <0 5 <0 5 <0 5 <50 <2 0
<br /> MW10 08/20/99 729
<br /> MW 10 12/06/99 729 17 66 -1037 000
<br /> MW 10 02/29/00 729 1534 -805 000 <1 <1 <1 <1 <50 <1
<br /> MW 10 05/16/00 7 29 1542 -8 13 000
<br /> MW 10 09/11/00 729 1743 -10 14 000 0 8 2 <0 5 197 50 <0 5
<br /> MW10 12/I3/00 729 1729 -1000 000 <0 5 <0 5 <0 5 <0 5 62 <0 5
<br /> MW 10 03/08/01 729 1654 -925 000 <0 5 <0 5 <0 5 <0 5 78 <0 5
<br /> g 1projects1739421masterlwp\gO60513942gw xEs Page 23 of 59
<br />
|