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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL.RESULTS <br /> February 1990 Through December 2004 <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 8021E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (pSA) (pg/1) (41) (µg/1) (µg11) (ltgll) (1,9l1) (µg/1) <br /> MW-i continued <br /> 04/25/96 1041 3675 000 -2634 -- -- -- _ <br /> 07/24/96 1041 3715 000 -2674 -040 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 -- <br /> 10/23/96 1041 3888 000 -2847 -173 — -- -- -- -_ __ _ Sampled Semt-annually <br /> 01/20/97 1041 3552 000 -25 11 336 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 — <br /> 07/16/97 1041 3272 000 -2231 — ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 — <br /> 10/15/97 10 M — -- __ _ -. _ _ _ _ _ _ Inaccessible <br /> 12/08/97 1041 — - -- _ _ _ _ — _ _ _ Inaccessible <br /> 03/05/98 1041 3046 0 DO -2005 -- ND<50 — ND<0 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 2 <br /> 05/27/98 1041 2671 000 -1630 -- ND<50 -- 35 ND<O 50 ND<O 50 ND<O 50 32 30 <br /> 07/21/98 1041 2677 000 -1636 -006 57 -- 22 098 ND<O 50 17 34 27 <br /> I0/14/98 1041 2775 000 -1734 -098 ND<50 -- ND<O 50 ND<0 50 ND<O 50 069 21 20 <br /> 01/25/99 1041 2704 000 -1663 071 ND<50 -- ND<O 50 ND<0 50 ND<0 50 ND<O 50 62 53 <br /> 04/19/99 1041 2453 000 -14 12 251 ND<50 - ND<O 50 ND<O 50 NIM 50 ND<0 50 25 24 <br /> 07/15/99 1041 2581 000 -1540 -128 ND<50 -- ND<O 50 ND<O 50 NIXO 50 ND<0 50 ND<2 5 2 <br /> 10/25/99 1041 2740 000 -1699 -- ND<50 — ND<O 50 ND<O 50 ND<0 50 076 5 1 38 <br /> 01/27/00 1041 2710 000 -1669 030 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 3 <br /> 06/26/00 1041 24 30 000 -1389 280 ND<50 0 -- ND<0 500 MM 500 xn<0 500 ND<O 500 ND<5 0 ND<2 0 <br /> 09/22/00 1107 2748 000 -1641 -252 2000 -- ND<5 0 ND<5 0 NIX5 0 110 ND<25 ND<2 0 <br /> 12/26/00 1107 2743 000 -1636 005 379 — ND<I 00 ND<1 00 ND<1 00 ND<1 00 ND<10 0 ND<2 0 <br /> 03/07/01 1107 2723 000 -1616 020 413 -- 228 ND<D 500 ND<O 500 ND<o$00 ND<5 0 ND<2 0 <br /> 06/26/01 1107 2816 000 -1709 -093 ISO — 053 ND<O 50 ND<O 50 ND<O 50 ND<5 0 NIK2 0 <br /> 09/12/01 1107 3004 000 -1897 -188 310 -- 34 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 12/12/01 1107 3037 000 -19.30 -033 240 -- 13 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<1 0 <br /> 03/20/02 1107 2918 000 -18 11 119 160 -- 24 ND<0 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 6981 Page 2 of 35 <br />