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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through March 2005 <br /> Former 76 Station 6981 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (pg/1) (µg11) (µg/1) (jig/1) (µg/1) (µg11) (µg/1) (µg/1) <br /> VW-3 continued <br /> 10/15/97 -- 35 84 000 - -- ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<2 0 <br /> 12/08/97 -- 35 75 000 <br /> 03/05/98 3120 000 -- - ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 340 300 <br /> 05/27/98 -- 2796 000 __ -- ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 07/21/98 -- 2807 000 -- -- ND<50 -- ND<O 50 1 7 ND<O 50 16 ND<5 0 ND<2 0 <br /> 10/14/98 -- 29 10 000 -- -- ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/25/99 -- 2828 000 -- -- ND<1000 -- ND<10 ND<10 ND<10 ND<10 1300 1300 <br /> 04/19/99 -- 2575 000 -- -- ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 780 890 <br /> 07/15/99 -- 27 18 000 -- ND<500 -- ND<5 0 ND<5 0 ND<5 0 ND<5 0 2900 4900 <br /> 10/25/99 -- 2885 000 -- ND<250 -- 23 ND<2 5 ND<2 5 ND<2 5 1100 850 <br /> 01/27/00 28 39 000 -- -- ND<50 06 ND<O 50 ND<O 50 ND<O 50 2400 2500 <br /> 06/26/00 -- 25 58 000 __ __ ND<50 0 __ ND<O 500 0 561 ND<O 500 ND<O 500 279 384 <br /> 09/22/00 1132 2800 000 -1668 -- ND<50 -- ND<0 50 ND<O 50 ND<O 50 ND<O 50 3200 2400 <br /> 12/26/00 11 32 2796 000 -1664 004 ND<50 0 .. ND<O 500 ND<O 500 ND<O 500 ND<O 500 116 104 <br /> 03/07/01 11 32 2768 000 -16 36 028 ND<50 0 -- ND<O 500 ND<O 500 ND<O 500 ND<o 500 ND<5 0 333 <br /> 06/26/01 1132 28 59 000 -1727 -091 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 27 41 <br /> 09/12/01 1132 3057 000 -1925 -198 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 45 <br /> 12/12/01 I 1 32 3085 000 -1953 -028 ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<1 0 <br /> 03/20/02 1132 2963 000 -1831 1 22 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 06/06/02 11 32 3003 000 -1871 -040 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 <br /> 09/30/02 1132 3255 000 -21 23 -252 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- -- <br /> 12/30/02 1132 32 11 000 -2079 044 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 ND<2 0 <br /> 03/29/03 1132 31 17 000 -19 85 094 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 06/25/03 1132 31 44 000 -20 12 -027 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 6981 Page 33 of 36 <br />