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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 /> MW2 06/11/03 7 15 1799 -1084 000 070 <0 5 <0 5 <0 5 521 h <0 5 <br /> MW2 09/17/03 7 15 1936 -1221 000 260 <0 5 <0 5 <0 5 187 h 1 3 <br /> MW2 09/17/03 7 15 <0 5* <br /> MW2 12/08/03 7 15 1935 -1220 000 170 <0 5 <0 5 <0 5 127 h 0 8 <br /> MW2 12/08/03 7 15 <0 5* <br /> MW2 03/02/04 7 15 1784 -1069 000 250 <0 5 <0 5 <0 5 115 h 15 <br /> MW2 03/02/04 7 15 <0 5* <br /> MW2 06/28/04 7 15 1903 -1188 000 -- -- -- -- -- -- <br /> MW2 06/29/04 7 15 -- -- -- <0 5 <0 5 <0 5 <0 5 <50 h <0 5* <br /> MW2 09/27/04 7 15 1970 -1255 000 -- -- -- -- -- -- <br /> MW2 09/28/04 7 15 -- -- -- <0 5 <0 5 <0 5 <0 5 217 h <0 5* <br /> MW2 12/01/04 7 15 1934 -12 19 000 -- -- -- -- -- -- <br /> MW2 12/02/04 7 15 -- -- -- 150 <0 5 <0 5 <0 5 133 h <0 5* <br /> MW2 03/24/05 7 15 1746 -1031 000 <0 5 <0 5 <0 5 <0 5 801 h <0 5* <br /> MW2 J 06/22/05 7 15 1747 -1032 000 0 80 <0 5 <0 5 <0 5 65 7 h <0 5* <br /> MW2 10/12/05 7 15 1893 -1178 000 1 3 <0 5 <0 5 <0 5 54 h <0 5* <br /> MW2 12/22/05 7 15 18.75 -1160 000 16 <0.5 <0 5 <0 5 <50 h <0 5* <br /> MW3 01187 914 -- -- -- 17 640 -- 400 32,000 -- <br /> MW3 07/16/87 9 14 1926 -1012 000 830 600 190 436 1,700 -- <br /> MW3 04/11/88 914 2243 -1329 000 450 970 210 860 4,600 -- <br /> MW3 09/13/88 9 14 2495 -15 78 004 Not sampled- LPH <br /> MW3 11/16/88 9 14 2327 -1413 000 <250 3,200 1,900 8,600 61,000 -- <br /> MW3 02/09/89 9 14 2541 -1627 Sheen Not sampled- LPH <br /> MW3 05/31/89 9 14 2643 -17 18 0 15 Not sampled- LPH <br /> MW3 08/17/89 914 28 12 -1877 0 15 Not sampled- LPH <br /> MW3 12/19/89 914 2849 -1926 0 13 Not sampled- LPH <br /> MW3 03/21/90 9 14 2851 -1929 Oil Not sampled- LPH <br /> 'MW3 9 14 Well dry since 05/17/90 <br /> MW3 02/17/94 9 14 28 92 -1978 000 <br /> MW3 05/10/94 9 14 29 14 -2000 000 -- -- -- -- -- <br /> MW3 08/02/94 9 14 Well dry -- -- -- -- -- -- <br /> MW3 11/01/94 9 14 Well dry -- -- -- -- -- -- <br /> g Ipro3eets1739421masteAwplq 1245�3942gw zls Page 7 of 59 <br />