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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through September 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 Tlucluiess water in 8260B benzene Xylenes 9021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) 01g/1) (µg11) (µ8n) (41) (µ8n) (µ911) (µ$n) (l+Sn) <br /> MW-5 continued <br /> 05/27/98 1176 2828 -- -1652 -- ND<50 — ND<O 50 ND<O 50 NDN 50 NDN 50 &1 78 <br /> 07/21/98 1176 2840 -- -1664 -012 ND<50 — ND<O 50 2 ND<O 50 21 5 45 <br /> 10/14/98 1176 2942 — -1766 -102 ND<50 ND<O 50 ND<O 50 NPN 50 ND<O 50 6 29 <br /> 01/25/99 1176 2856 -- -1680 086 ND<50 -- NDN 50 ND<O 50 NDN 50 NDN 50 3.5 42 <br /> 04/19/99 1176 2611 -- -1435 245 ND<50 -- ND<O 50 ND<O 50 NDN 50 NDN 50 28 22 <br /> 07/15/99 1176 27.51 -- -1575 -140 ND<50 -- NDN 50 ND<O 50 NDN 50 ND<O 50 ND<2 5 36 <br /> 10/25/99 1176 2917 -- -1741 -- ND<50 — NDN 50 ND<O 50 ND<O 50 NDN 50 ND<2 5 13 <br /> 01/27/00 1176 2870 -- -1694 047 ND<50 -- 072 078 ND<O 50 1 ND<2.5 ND<2-0 <br /> 06/26100 1176 2590 -- -1414 280 ND<50 0 -- ND<O 500 442 ND-asoo 3 14 ND<5 0 ND<2 0 <br /> 091=00 1152 2822 -- -1670 -256 ND<50 — 074 06 ND<O 50 NDN 50 ND<2 5 ND<2 0 <br /> 12/26/00 1152 2816 -- -1664 006 ND<50 0 — 114 ND<O 500 N15<0 500 ND<D 500 ND<5 0 ND<2 0 <br /> 03/07/01 1152 2788 — -1636 028 ND<50 0 — 1 Nyco 5w Nnm 500 ND<D 500 ND<5 0 238 <br /> 06/26/01 1152 2885 -- -1733 -097 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 09/12/01 1152 3078 -- -1926 -193 ND<50 -- NDN 50 95 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 12/12/01 1152 3106 -- -1954 -028 ND<50 — NDN 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<10 <br /> 03/20/02 1152 2977 -- -1825 129 ND<50 — NDN 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 06/06/02 1152 3025 -1973 -048 — ND<50 NDN 50 24 ND<O 50 23 -- ND<2 0 <br /> 09/30/02 1152 32 80 -- -2128 -255 — ND<50 2 25 16 52 -- ND<2 0 <br /> 12/30/02 1152 3234 -2082 046 — ND<50 062 067 ND<O 50 ND<l 0 -- ND<2 0 <br /> 03/29/03 1152 3125 -- -1973 109 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 <br /> 06/25/03 1152 3169 -2017 -044 -- ND<50 ND<0 50 ND<O 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 09/24/03 1152 3401 000 -2249 -232 — ND<50 ND<O 50 056 ND<O 50 ND<l 0 -- ND<2 0 <br /> 11/30/03 1152 3358 000 -2206 043 — 57 NDN 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 03/49/04 1152 3257 000 -2105 101 — ND<50 NDN 50 15 NDN 50 24 -- ND<2 0 <br /> 6981 Page i 1 of 35 <br />