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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 /> MW7 05/16/00 6 85 1365 -680 0 00 <1 <1 <1 <1 <50 <I <br /> NIW7 09/11/00 685 1592 -907 000 <0 5 <0 5 <0 5 <0 5 53 <0 5 <br /> MW 7 12/13/00 6 85 1583 -898 000 076 2 8 063 3 09 <50 <0 5 <br /> MW7 03/08/01 6 85 1497 -8 12 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> MW7 06/21/01 6 85 1633 -948 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> MW7 09/20/01 6 85 1682 -997 000 -- -- -- __ -- <br /> MW7 12/04/01 6 80 17 18 -1038 000 -- -- -- -- __ _- <br /> POW7 03/05/02 6 80 1635 -955 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> MW7 06/11/02 6 80 -- -- -- __ <br /> MW7 09/10/02 6 80 1800 -1120 000 <br /> NI W7 12/18/02 6 80 1773 -1093 000 -- -- -_ -- -- <br /> NIW7 03/24/03 6 80 1725 -1045 0 00 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> NI W7 06/11/03 6 80 1738 -1058 0 00 -- -- __ -- <br /> M W 7 09/17/03 6 80 1871 -1191 000 <br /> A I W7 12/08/03 6 80 1874 -11.94 000 -- -- _ -- <br /> MW8 04/11/88 778 2025 -1247 000 740 18,000 5,700 32,000 120,000 -- <br /> NIW8 09/13/88 778 22 58 -1480 000 470 11,000 3,900 20,000 56,000 -- <br /> NIW8 11/16/88 778 2272 -1494 000 <500 9,300 3,600 16,000 63,000 -- <br /> NIW8 02/09/89 778 2228 -1450 000 650 13,000 3,900 21,000 62,500 -- <br /> MW8 05/31/89 778 23 95 -16 17 000 460 8,700 3,700 24,000 66,000 -- <br /> NIW8 08/17/89 7 78 2549 -1771 000 620 10,000 5,500 25,000 72,000 <br /> NI W8 12/19/89 7 78 2660 -18 82 000 190 2,800 1,100 5,300 21,000 -- <br /> hIW8 03/21/90 778 2711 -1933 000 880 11,000 4,400 22,000 63,000 -- <br /> M W8 05/17/90 778 2787 -2009 0 00 520 5,500 3,900 20,000 67,000 - <br /> 4 R7W8 09/25/90 7 78 2917 -2139 0 00 -- -- -- <br /> MW8 12/19/90 7 78 2913 -21 35 0 00 _- <br /> MW8 01/30/91 778 Dry __ -- -- <br /> -- <br /> MM 05/02/91 778 2939 -2161 000 830 5,900 4,900 23,000 57,000 -- <br /> MW8 07116-17191 778 2990 -22 12 a 000 -- -_ __ -_ <br /> MW8 10/15/91 778 Dry <br /> 4�tW8 01/28192 778 2931 -21 53 000 <br /> 6 tiprojects1739421masteAwplq I20313942gw xls Pa6e 15 of 51 <br />