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� !• I� � � � i>• � � � � � fi � si 1� � <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number Date feet feet feet (feet) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> MW9 03/06/02 652 -- -- <0 5 <0 5 <0 5 <0 5 101 h 102 <br /> 150* <br /> MW9 03/06/02 6 52 _ <br /> MW9 06/11/02 652 -- <br /> MW9 09/10/02 652 1772 -1120 000 -- -- -` "- -- <br /> MW9 12/18/02 652 1738 -1086 000 -- -- <br /> MW9 03/24/03 652 1696 -1044 000 -- -- -- -- <br /> MW9 03/25/03 652 -- -- -- <0 5 <0 5 <0 5 <0 5 <50 h 28 3 <br /> 29 2* <br /> MW9 03/25/03 652 <br /> MW9 06/11/03 652 1710 -1058 000 -- -- -- -- -- -- <br /> MW9 09/17/03 652 1859 -12 07 000 -- -- -- -- '" -- <br /> MW9 12/08/03 652 1843 -1191 000 -- -- -- -- -- <br /> MW9 03/02/04 652 1691 -1039 000 <0 5 <0 5 <0 5 <0 5 <50 h 17 <br /> <0 5* <br /> MW9 03/02/04 652 <br /> MW9 06/28/04 652 18 14 -1162 000 -- -- -- -- -- -- <br /> MW9 09/27/04 652 1902 -1250 000 -- -- -- <br /> MW9 12/01/04 652 1859 -1207 0 00 -- -- -- -- -- -- <br /> MW10 04/11/88 861 23 18 -1457 000 640 130 170 140 3,100 -- <br /> MW 10 09/13/88 861 25 85 -1724 0 00 4,800 130 340 240 7,700 <br /> MW 10 11/16/88 861 2608 -1747 000 5,800 290 700 340 9,400 -- <br /> MW 10 02/09/89 861 25 70 -1709 000 7,500 450 220 320 8,800 -- <br /> MW 10 05/31/89 861 2744 -1883 000 11,000 320 1,600 800 24,000 -- <br /> MW10 08/17/89 861 2945 -2084 000 12,000 2,100 3,100 2,500 35,000 -- <br /> MW 10 03/21/90 861 Not accessible -- -- -- <br /> MW10 05/17/90 861 Not accessible -- -- -- -- -- -- <br /> MW 10 06/27/90 861 3252 -2391 000 9,700 4,800 2,400 5,300 51,000 -- <br /> MW 10 09/25/90 8 61 3395 -25 34 000 13,000 9,900 2,700 8,900 71,000 -- <br /> MW 10 12/19/90 861 33 79 -25 18 000 16,000 16,000 3,300 11,000 81,000 -- <br /> MW10 01/30/91 861 3424 -25 63 000 18,000 15,000 2,600 9,900 62,000 -- <br /> MW10 05/02/91 8 61 3424 -25 63 000 6,900 5,700 2,100 5,900 27,000 -- <br /> MW10 07/16-17/91 861 35 13 -26 52 a 000 -- -- -- -- -- <br /> MW10 10/15/91 861 Dry -- -- - -- <br /> MW 10 01128/92 861 33 86 -2525 000 -- -- -- "- <br /> Page 21 of 56 <br /> g 1prolects1739421masterlwp\gl204\3942gw xis <br />