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■ mome� � � � � gas w � H� � IIEN� = <br /> TABLE 1 GROUNDWATER MONITORING DATA, FORMER EXXON RS 7-3942,4444 N PERSHING AVENUE, STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration(Vg/L) <br /> W(,lI Llevation to Water Elevation Thickness Ethyl- <br /> No Date (ft msl) (ft) (ft msl) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> M W 10 05/16/00 729 1542 -8 13 000 -- -- -- — — -- <br /> M W 1 1 05/02/91 10 15 38 39 -2824 000 <0 3 <0 3 <0 3 <1 <50 -- <br /> 07/16-17191 39 38 -2923 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 10/15/91 3994 -2979 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 01/28/92 38 08 -2793 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 04/30/92 3772 -2757 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 08/13/92 3994 -2979 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 10/08/92 4070 -3055 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 02/23/93 37 28 -27 13 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> 05/18/93 -- -- -- -- -- -- -- -_ <br /> 08/22/93 36 19 -2604 000 -- -- -- -- -- <br /> 12/30/93 Not accessible -- -- -- -- -- -- <br /> 11/11/97 24 83 -1468 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 11/11/97 <2 0* <br /> 03/03/98 20 11 -996 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 03/03/98 <2 0* <br /> 05/20/98 18 58 -843 000 <0 5f <0 5f <0 5f <0 5f <50f <2 5f <br /> 05/20/98 <2 0* <br /> 08/19/98 1994 -979 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 08/19/98 <2 0* <br /> 11/18/98 2028 -10 13 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 03/30/99 1826 -8 11 000 -- -- -- -- -- -- <br /> 05/05/99 1848 -8 33 000 <0 5 <0 5 <0 5 <0 5 <50 <2 0 <br /> 08/20/99 -- -- -- -- -- -- -- -- -- <br /> 12/06/99 2037 -1022 000 -- -- -- -- -- -- <br /> 02/29/00 1829 -8 14 000 <1 <1 <1 <1 <50 <1 <br /> 05/16/00 1849 -834 000 -- -- — — -..- -- <br /> I <br /> MW 12 01/30/91 9 16 35 39 -2623 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> I tprojtcts1739421master1%tip1Q50013942gu As Page 17of37 <br />