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I <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULT'S <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 Con nients <br /> Sampled Elevation Water Thtclrness water m 8260B benzene Xylenes 8021E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feat) (feet) (µg11) (µg11) (µ811) WA) (µ8n) (µg/,) (Iig/l) (µ8/1) <br /> MW-4 continued <br /> 07/26/95 1163 4482 000 -33 19 -099 130 — 15 17 ND<O 5 21 — — <br /> 10/25/95 1163 4567 000 -3404 -085 — — -- -- -- — — — <br /> 01/24/96 1163 4292 000 -3119 285 ND<50 — 14 ND<O 5 ND<0 5 ND<O 5 3 — <br /> 04/25/96 1163 38 24 000 -2661 — -- — — __ — — — <br /> 07/24/96 1163 38 55 0 00 -2692 -031 ND<50 — ND<O 5 NIXO 5 ND<0 5 ND<O 5 60 — <br /> 10/23/96 1163 40 30 000 -2867 -175 — — -- -- — -- -- — Sampled Semi-annually <br /> 01/20/97 1163 3679 0 OD -2516 351 ND<50 — ND<O 5 NIXO 5 ND4 5 ND<O 5 12 — <br /> 07/16/97 l 163 3418 000 -22.55 — ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 0 25 <br /> 10/15/97 1163 3597 000 -2434 -179 ND<50 — ND<O 5 ND<O 5 N1:<0 5 ND<O 5 ND<5 0 3 <br /> 12/08/97 1163 3574 0 00 -2411 023 — -- __ .. — — — <br /> 03/05/98 1163 3171 000 -2008 403 3500 — ND<5 0 61 59 220 38 34 <br /> 05/27/98 1163 2829 000 -1666 -- ND<50 — 33 ND<O 50 ND<O 50 ND<0 50 27 32 <br /> 07/21/98 1163 2831 000 -1668 -002 ND<50 -- ND<0 50 18 ND<O 50 2.3 18 I8 <br /> 10/14/98 1163 2926 000 -1763 -095 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 14 10 <br /> 01/25199 1163 2847 000 -1684 079 ND<50 -- ND<0 50 ND<O 50 ND<O 50 ND<O 50 95 10 <br /> 04/19/99 1163 2606 000 -1443 241 ND<50 -- ND<0.50 NIKO 50 ND<O 50 ND<O 50 62 48 <br /> 07/15/99 1163 2736 000 -1573 -130 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 32 46 <br /> 10/25/99 1163 2900 000 -1717 — ND<50 -- ND<O 50 071 ND<0 50 23 52 33 <br /> 01/27/00 1163 2851 000 -1688 049 ND<50 — ND<0 50 066 ND<O 50 ND<O 50 ND<2 5 NDQ 0 <br /> 06/26/00 1163 2574 000 -1411 277 NEK50 0 — NDKe 500 18 ND<0.500 154 ND<5 0 ND<2 0 <br /> 09/22/00 1163 2814 000 -1651 -240 ND<50 — NDKIO 50 1 ND<O 50 099 NDC15 ND<2 0 <br /> 12/26/00 1163 28 19 000 -1656 -005 ND<50 0 — ND<0 500 ND<OSOD ND<0.500 ND<O-';00 ND<5 0 ND<2 0 <br /> 03/07/01 1163 2793 000 -1630 026 ND<50 0 — ND<D 500 ND<0.500 ND<0 500 ND<O$00 ND<5 0 ND<2 0 <br /> 06/26/01 1163 2888 000 -1725 -095 ND<50 -- ND<D 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 6981 Page 8 of 35 <br />