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� 1♦ 1♦ � li � � � � I• � � � I• � � � i �� i <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE, STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration (991V <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number <br /> thyl- <br /> ( y <br /> um er ate (feet) (feet) (feet) (feet) Benzene Toluene benzene X lenes TP PH-g MTBE_ <br /> V4 02/23/93 938 30 85 -2147 000 15,000 35,000 4,300 23,000 150,000 -- <br /> V4 05/18/93 938 2935 -1997 000 13,000 47,000 5,900 28,000 240,000 -- <br /> V4 08/22/93 938 29 60 -2022 000 9,400 42,000 3,900 21,000 150,000 -- <br /> V4 12/30/93 938 2926 -1988 000 10,000 36,000 4,800 26,000 150,000 -- <br /> V4 02/17/94 938 28 89 -1951 000 -- -- -- -- -- <br /> V4 05/10/94 938 2854 -1916 002 Not sampled-LPH <br /> V4 08/02/94 938 2993 -2055 002 Not sampled-LPH <br /> V4 11/01/94 938 3034 -2096 000 -- -- -- -- -- -- <br /> V4 02/17/95 938 2782 -1844 000 -- -- -- -- -- <br /> V4 05/11/95 938 25 12 -1574 Sheen -- -- -- -- -- -- <br /> V4 08/24/95 938 -- -- <br /> V4 10/19/95 938 2685 -1747 Sheen -- -- -- -- -- <br /> V4 02/13/96 938 2474 -1536 Sheen - -- -- -- -- -- <br /> V4 04/18/96 938 2236 -1298 Sheen <br /> V4 08/08/96 938 2360 -1422 Sheen -- -- -- -- -- -- <br /> V4 11/04/96 938 2402 -1464 000 3,200 24,000 2,900 16,000 120,000 <1,250 <br /> V4 02/03/97 938 1940 -1002 Sheen -- -- -- -- -- -- <br /> V4 05/08/97 822 1926 -1104 Sheen -- -- -- -- -- -- <br /> V4 08/26/97 822 20 80 -1247 0 15 - -- -- -- -- -- <br /> V4 11/11/97 822 2134 -13 12 Sheen -- -- -- -- -- -- <br /> V4 03/03/98 822 15 67 -744 001 -- -- -- -- -- - <br /> V4 05/20/98 822 1562 -735 007 -- -- -- -- __ <br /> V4 08/19/98 822 17 19 -887 0 13 -- -- -- -- _ <br /> V4 11/18/98 822 1753 -9 24 009 -- -- -- -- - -- <br /> V4 03/30/99 822 -- -- -- -- -- -- -- <br /> V4 05/05/99 822 1595 -772 001 -- -- -- -- -- -- <br /> V4 08/20/99 822 1761 -939 000 637 5 14 145 537 190 12 6 <br /> V4 12/06/99 822 17 85 -956 010 -- -- -- -- -- -- <br /> V4 02/29/00 822 1525 -699 006 -- -- -- -- -- -- <br /> V4 05/16/00 822 1526 -7 01 0 04 -- -- -- -- -- -- <br /> V4 09/11/00 822 1759 -933 005 - -- -- -- -- <br /> V4 12/0100 822 17 45 -923 Sheen -- -- -- -- -- -- <br /> V4 03/08/01 822 1662 -840 000 680 36,000 7,700 117,000 320,000 <250 <br /> V4 06/21/01 822 17 97 -974 002 -- -- -- -- -- -- <br /> t1proj��is1739425UnasteilHp1gU903L3942gw As Page 45 of 47 <br />