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f <br /> • <br /> 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 Tfuckness water in 826013 benzene Xylenes 802113 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg11) (µg11) (lig/1) (µg/1) (µg1[) (µg11) (µg11) <br /> MW-11 continued <br /> 10/26/94 1123 5141 000 -40 18 -120 ND<50 ND<O 5 1 1 ND<O 5 1 2 -- -- <br /> 01/25/95 1123 4857 000 -3734 284 ND<50 -- ND<O 5 064 NDN 5 089 -- -- <br /> 04/26/95 1123 44 23 000 -3300 434 ND<50 -- ND<O 5 ND<0 5 ND<O 5 ND<O 5 — — <br /> 07/26/95 1123 45 24 000 -3401 -101 ND<50 -- 09t 27 ND<O 5 2 7 -- - <br /> 10/25/95 , 1123 4605 000 -3482 -081 ND<50 — NDN 5 ND<O 5 NDN 5 ND<O 5 -- — <br /> 01/24/96 1123 43 12 000 -3189 293 ND<50 -- ND<O 5 ND<0 5 ND<O 5 ND<O 5 -- — <br /> 04/25/96 1123 3855 000 -2732 _. ND<50 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<40 -- <br /> 07/24/96 1123 38 91 000 -2768 -036 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 NI}<5 0 — <br /> 10/23/96 1123 40 64 000 -2941 -173 ND<50 — ND<0S ND<O 5 ND<O 5 ND<O 5 ND<5 0 -- <br /> 01/20/97 1123 3718 000 -2595 346 ND<50 — NIXO 5 ND<O 5 ND<O 5 ND<0 5 ND<5 0 -- <br /> 07/16/97 — -- -- -- -- -- — -- — __ .. -- Paved Over <br /> 10/15/97 -- -- — — -- -- — -- — _. .. -- Paved Over <br /> 12/08/97 — — — — -- -- — — -- — -- -- — Paved Over <br /> 03/05/98 — — -- -- — -- — — -- — -- -- — Inaccmble <br /> 03/16/98 1123 31 52 000 -20 29 — 240 - 9 7 16 23 12 3 2 ND<10 <br /> 05/27/98 1123 2894 000 -1771 258 230 -- 13 17 44 16 8 5 17 <br /> 07/21/98 1123 2985 000 -1762 0 09 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 10/14/98 1123 2982 000 -1859 -097 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/25/99 1123 2874 000 -1751 108 ND<50 — ND<O 50 ND<O 50 ND<O 50 082 ND<2 5 ND<2 0 <br /> 04/I9/99 1123 2646 000 -15 23 228 ND<50 -- ND<0-50 ND<O 50 ND<O 50 ND<0 50 ND<2 5 ND<2 0 <br /> 07/15/99 1123 27 76 000 -1653 -130 ND<50 — ND<0 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 10/25/99 ` 1123 2944 000 -1821 -- ND<50 — ND<O 50 ND<O 50 0 56 099 ND<2 5 ND<2.0 <br /> 01/27/00 1123 2883 0 00 -1760 061 ND<50 — ND<0.50 ND<0 50 ND<O 50 NDN 50 ND<2 5 4 <br /> 06/26/00 1123 2625 000 -1502 258 ND<50 0 -- Nu<0 500 ND<O 500 rm<0 500 ND<O 500 ND<5 0 ND<2 0 <br /> 6981 Page 22 of 35 <br /> I <br />