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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 Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µ$ll) (µg11) (41) 0184) (µFS) (µ91l) (994) <br /> VW-2 (Screen Interval In feet:25.5-50 5) <br /> 07/24/96 — 3867 000 — _. 78000 - 510 3100 540 24000 720 560 <br /> 10/23/96 — — -- -- -- -- -- — -- -- -- _ — Dry <br /> 01/21197 — — — -- -- — -- _ -- _ _ — — SarTled Semi-annually <br /> 07/16/97 — 3707 — -- -- — _ __ __ _ _ — — Insufficient Water <br /> 10115197 — — -- -- -- — _ _ -- _ — — Dry <br /> 12/08/97 — — -- -- _. .. _ _ _ _. _ _ Well Connected to VES <br /> 03105/98 — — -- -- -- _ _ — _. _ _ _ Dry <br /> 05/27/98 — — — -- -- _ _ _ -- _ -- _ _ <br /> DTy <br /> 07/21/98 — — — -- — _ _ _ _ Dry <br /> 10/14/98 — — -- — _ _ _ _ _ <br /> -- Dry <br /> 01/25/99 — -- -- -- — _ _ — _ — _- -- <br /> Dr5' <br /> 04/19/99 — 2634 000 -- __ 3400 — ND<10 ND<10 ND<10 53 78 49 <br /> 07/15/99 -- 2779 000 __ __ — __ _ — — — Insufficient Water <br /> 10/25/99 — — — _- _ _ _ _ _ _ <br /> Dry <br /> 01/27/00 — — — -- -- — -- _ _ — — — — Dry <br /> 06/26/00 -- 2617 000 -. 1940 — ND<2 50 358 614 518 360 486 <br /> 09/22/00 1166 — — _ — _ __ — — — — — Dry <br /> 12/26/00 1166 -- — — -- _ _ -- _ _ _ _ _ Dry <br /> 03/07/01 1166 -- -- — — _ _ .- _ — _ _. Dry <br /> 06/26/01 1166 -- -- — — _ _ - _ -- -- _ Dry <br /> 09/12/01 1166 -- -- _ _ _ _ -- _ -- _- -- Dry <br /> 12/12/01 1166 -- -- _ _ _ _ _ -- — .. .. -- Dry <br /> 03/20/02 1166 — -- -_ — -- — -- -- -- -- Dry <br /> 06/06/02 1166 — — — -- — _- _ -- -- -- _ -- Dry <br /> seal Page 30 of 35 <br />