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� � � i � � � �w � ■moi■ � 1•■■ � � � <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE, STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration(µg ) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number Date feet (feet) (feet) feet Benzene Toluene benzene Xylenes TPH-g MTBE <br /> MW12 05/02/91 9 16 3545 -2629 000 <0 3 <0 3 <0 3 <1 <50 <br /> MW12 07116-17/91 9 16 3637 -2721 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 10/15/91 9 16 3695 -2779 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> MW12 01/28/92 9 16 3521 -2605 000 <0 5 0 6 <0 5 0 7 <50 <br /> MW12 04/30/92 9 16 34 83 -2567 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 08/13/92 9 16 3682 -2766 000 <Q 5 <0 5 <0 5 <0 5 <50 <br /> MW12 10/08/92 9 16 3754 -2838 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 02/23/93 9 16 3445 -2529 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 05/18/93 9 16 Not Accessible <br /> MW12 08/22/93 9 16 Not Accessible <br /> MW12 12/30193 9 16 Not Accessible <br /> MW12 02/17/94 9 16 Not Accessible <br /> MW12 05/10/94 9 16 3105 -2189 000 <0 5 <0 5 <0 5 <0 5 <50 -- <br /> MW12 08/02/94 9 16 3255 -2339 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 11/01/94 9 16 33 03 -23 87 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 02/17/95 9 16 3057 -2141 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 05/11/95 9 16 2765 -1849 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 08/24/95 9 16 2851 -1935 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 10/19/95 9 16 2888 -19 72 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW12 02/13/96 9 16 2665 -1749 000 <0 5 <0 5 <0 5 <0 5 <50 <br /> MW12 04/18/96 9 16 24 12 -1496 000 -- -- -- -- -- <br /> MW 12 08/08/96 9 16 2493 -15 < <br /> 77 000 OS <0 5 <OS <OS <50 <25 <br /> MW12 11/04/96 9 16 2531 -16 15 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW12 02/03/97 9 16 2103 -1187 000 <br /> MW12 05/08/97 8 75 2000 -1125 000 -- -- --MW12 08/26/97 8 75 2163 -1288 000 -- -- -- -- __ <br /> MW12 11/11/97 875 2228 -13 53 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW12 03/03/98 975 1705 -830 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW12 03/03/98 8 75 <2 0* <br /> MW12 05/20/98 875 1623 -748 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW12 05/20/98 875 <2 0* <br /> MW12 08/19/98 8 75 1758 -883 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW12 08/19/98 875 <2 0* <br /> g Iprglects1739421masterlwplq 1005�3942gw xis Page 27 of 58 <br />