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i � ! <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 Thickness water to 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µgll) (µ8l1) (Ag/1) {µg/1) (µg/1) (41) (µg/1) <br /> MW-8 continued <br /> 07/25/94 1038 4820 000 -3782 -239 170 — ND<O 5 0 82 ND<O 5 17 — -- <br /> 10/26/94 1038 4933 000 -3895 -113 ND<50 — ND<O 5 ND<O 5 ND<O 5 13 — -- <br /> 01/25/95 1038 4663 0 00 -3625 270 ND<50 — ND<O 5 072 ND<0 5 14 — -- <br /> 04/26/95 1038 4213 0 00 -3175 450 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 07/26/95 1038 43 10 000 -3272 -097 ND<50 — 079 22 ND<O 5 27 — — <br /> 10/25/95 1039 4394 0 00 -3356 -084 — — -- -- -- -- — — <br /> 01/25/96 1038 4114 0 00 -3076 -- ND<50 — ND<O 5 ND<O 5 ND<O 5 065 — — <br /> 04/25/96 1038 3659 0 00 -2621 4 55 — — -- -- — — — <br /> 07/24/96 1038 3688 0 00 -2650 -0 29 ND<50 — NDN 5 ND<O 5 ND<O 5 ND<0 5 ND<5 0 — <br /> 10/23/96 1038 38 64 0 00 .2826 .176 — — -- -- -- — -- — Sampled Semi-annually <br /> 01/20/97 1038 35 17 0 00 -2479 347 290 — 4 3 092 ND<O 5 45 9 3 — <br /> 07/16/97 1038 3247 0 00 -2209 -- ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 -- <br /> 10/15/97 1038 — — -- -- -- — __ _ _ _ _ __ Inaccessible <br /> 12/08/97 1038 -- -- -- -- - — — _ _ Inaccessible <br /> 03/05/98 1038 3007 000 -1969 -- ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 05/27/98 1038 2661 000 -1623 -- ND<50 — ND<O 50 NDN 50 NDN 50 ND<O 50 ND<2 5 ND<2 0 <br /> 07/21/98 1038 2665 000 -1627 -0 04 73 — 093 4 072 43 13 89 <br /> 10/14/98 1038 2757 000 -1719 -092 ND<50 — ND<O 50 ND<O 50 NDN 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/25/99 1039 2683 000 -1645 0 74 ND<50 — NDN 50 NDN 50 ND<O 50 1 ND<2 5 ND<2 0 <br /> 04/19/99 1038 2451 000 -1413 232 ND<50 — NDN 50 NDN 50 ND<O 50 ND<O 50 I2 7 8 <br /> 07/15/99 1038 2573 000 -1535 -122 ND<50 — ND<O 50 0 6 NDN 50 ND<O 50 ND<2 5 31 <br /> 10/25/99 1038 2741 000 -1703 — ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 25 ND<2 0 <br /> 01/27/00 1038 2701 000 -1663 040 ND<50 — NDN 50 0 82 ND<O 50 087 ND<2 5 ND<2 0 <br /> 06/26/00 1038 2419 000 -1381 282 ND<50 0 — ND<O 540 0 819 NDS 500 0 853 ND<5 0 NIM 0 <br /> e&at Page 17 of 35 <br />