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! ! ! ! Js ! ! ! ! ! ' I• ! l• )• 1• llllllA � ! <br /> 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(µg/L) _ <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE <br /> MW4 3 12/02/04 7 12 -- -- -- 140 <0 5 <0 5 <0 5 331 h 85 5* <br /> MW4 03/24/05 7 12 1758 -1046 000 <0 5 <0 5 <0 5 <0 5 350 h 105* <br /> MW4 06/22/05 7 12 1760 -1048 000 1.20 <0.5 <0 5 <0 5 349 h 108* <br /> MW5 07/16/87 958 16 69 -7 11 000 <10 480 280 1,390 2,200 -- <br /> MW5 04/11/88 9 58 22 86 -1328 000 <2 0 25 25 85 500 -- <br /> MW5 09/13/88 958 25 33 -15 75 000 4 4 650 50 110 1,400 -- <br /> MW5 11/16/88 958 25 31 -15 73 000 <1 3 19 25 24 910 -- <br /> MW5 02/09/89 958 2509 -1551 000 3 4 12 15 22 1,250 -- <br /> MW5 05/31/89 9 58 2672 -17 14 000 <0 5 14 24 46 790 -- <br /> MW5 08/17/89 958 28 44 -1886 000 to 29 13 12 1,200 -- <br /> MW5 12/19/89 958 2945 -1987 000 -- -- -- __ <br /> MW5 958 Well dry since 03/21/90 <br /> MW5 12/30/93 958 2990 -2032 000 -- -- -- -- -- __ <br /> MW5 02/17/94 958 2954 -1996 0 00 <br /> MW5 05/10/94 958 29 13 -19 55 0 00 -- -- -- -- -- __ <br /> MW5 08/02/94 958 Well dry <br /> MWS 11/01/94 958 Well dry <br /> MW5 02/17/95 958 2941 -1883 0 00 -- -- -- -- __ <br /> MW5 05/11/95 9 58 2572 -1614 0 00 14 12 7 5 4 8 350 -- <br /> MW5 08/24/95 958 2335 -1377 0 00 <0 5 <0 5 072 15 85 -- <br /> MW5 10/19/95 958 2720 -1762 000 <0 5 <0 5 1 1 1 1 85 <2 5 <br /> MW5 02/13/96 958 Well dry -- -- -- __ -- <br /> MW5 04/18/96 958 2200 -1242 000 <0 5 <0 5 <0 5 0 68 65 <2 5 <br /> MW5 08/08/96 958 2422 -1464 000 -- -- -- -- -- -- <br /> MW5 11/04/96 958 2468 -15 10 000 -- -- -- -- -- -- <br /> MW5 02/03/97 9 58 1989 -1031 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MWS 05/08/97 863 1943 -1080 000 <0 5 <0 5 <0 5 <0 5 56 <2 5 <br /> MW5 08/26/97 8 63 20 19 -1156 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW5 11/11/97 863 Well dry -- -- -- -- -- -- <br /> MW5 03/03/98 863 16 12 -749 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MWS 03/03/98 863 <2 0* <br /> MWS 05/20/98 863 1560 -697 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> g%projects1739421masterlwp1g660513942gw x1s Page 12 of 59 <br />