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! 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( L <br /> 1�ell Elevation to Water Elevation Thickness Ethyl- <br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-a MTBE <br /> Ni W5 05/05/99 863 1641 -778 0 00 <0 5 <0 5 <0 5 <0 5 <50 <2 0 <br /> MW5 08/20/99 863 1787 -924 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> MW5 12/06/99 863 1816 -953 000 <1 <1 <1 <1 <50 <1 <br /> NIW5 02/29/00 863 1559 -696 000 <1 <1 <1 <1 <50 <1 <br /> MW5 05/16/00 863 1566 -7 03 000 <1 <1 <1 <1 <50 <1 <br /> MW5 09/11/00 863 1801 -938 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> MW5 12/13/00 863 1795 -932 000 <0 5 <0 5 <0 5 065 190 <0 5 <br /> MW5 03/08/01 8 63 1712 -849 000 <0 5 <0 5 <0 5 <0 5 <50 <0 5 <br /> MW5 06/21/01 863 1846 -9 83 000 <0 5 <0 5 <0 5 064 <50 <0 5 <br /> NIW5 09/20/01 863 1957 -1094 000 052 <0 5 <0 5 1 3 <50 <0 5 <br /> AIW5 12/04/01 8 58 1939 -1081 000 <0 5 <0 5 <0 5 <0 5 <50 <5* <br /> NI W5 03/05/02 8 58 1860 -1002 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> 1ViM 06/11/02 8 58 19 06 -1048 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> M1V5 09/10/02 8 58 2020 -1162 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> MW5 I2/18/02 8 58 1999 -1141 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> MWS 03/24/03 8 58 1950 -1092 000 -- __ __ _- <br /> NIW5 03/25/03 8 58 -- -- -- 2 10 <0 5 <0 5 <0 5 <50 h <0 5 <br /> KIW5 06/11/03 858 1960 -1102 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> MWS 09/17/03 858 2094 -1236 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> NIW5 12/08/03 858 2097 -1239 000 <0 5 <0 5 <0 5 <0 5 <50 h <0 5 <br /> A1LV6 07/16/87 892 1935 -1043 000 3,100 4,300 1,200 6,600 12,000 -- <br /> MW6 04/11/88 892 23 04 -1367 062 Not sampled-LPH <br /> NIW6 09/13/88 892 25 12 -1620 000 19,000 17,000 2,300 12,000 65,000 -- <br /> IIIVI 11/16/88 892 2551 -1658 0 01 19,000 19,000 3,000 12,000 83,000 -- <br /> MW6 02/09/89 892 2485 -1593 Sheen Not sampled-LPH <br /> NI W6 05/31/89 892 2657 -1765 000 20,000 33,000 3,100 23,000 120,000 -- <br /> MM 08/17/89 892 2836 -1944 000 16,000 15,000 2,900 19,000 98,000 -- <br /> MW6 12/19/89 892 2880 -1988 000 -- -- -- -- _- ._ <br /> NIW6 892 Well dry since 03/21/90 <br /> MW6 05/11/95 892 25 13 -1621 000 48 25 19 56 720 <br /> MW6 08124/95 892 2649 -1757 000 -- -- __ __ -- <br /> g kprojects\739421masLeAwp\q 1203\3942gw xis Page 12 of 51 <br />