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i • • <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYnCAL 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 Conmlents <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (pg/1) (ggll) W11) (µg/1) (118/1) (µ8n) (ILA (µg/l) <br /> MW-3 continued <br /> 01/24/96 1151 4264 0 00 -3113 295 ND<50 — ND<0 5 NI)<O 5 ND<0 5 ND<0 5 -- — <br /> 04/25/96 1151 3792 000 -2641 — -- -- — -- — -- -. — Destroyed <br /> MW-4 (Screen Interval In feet:510-55 0) <br /> 02/21/90 -- — - -- -- 2600 — 27 10 12 15 -- — <br /> 10/18/90 -- — -- _ _ — _ _. — __ -- _ pry <br /> 11/19/90 -- — — -- - -- -- — -- -- — -- — Dry <br /> 12/27/90 — -- -- - -- _ -- — -- -- _ _ pry <br /> 01/28/91 -- — — — -- _ -- - -- -- — - _ pry <br /> 04/02/91 — -- -- _ _. — -- -- -- _ -- _ Dry <br /> 07/18/91 — — — -- - — -- _ _ -- _ Dry <br /> 09/30/91 — _ — — — _ -- -- -- -- -- -- Dry <br /> 11/14/91 — -- -- _ — — __ __ _ __ _ — Dry <br /> 04/16/92 -- — — — -- -- — - -- — -- — Dry <br /> 07/30/92 -- — -- -- -- __ __ — — — _ -- _ Dry <br /> 10/21/92 — — -- -- _ -- -- -- _. — _ -- — Dry <br /> 01/13/93 — — -- -- — — -- — - -- — -- -- Dry <br /> 04/26/93 1163 5052 000 -3889 — 11000 -- 1400 ND<50 ND<50 ND<50 -- — <br /> 07/26/93 1163 5154 000 -3991 -102 5700 -- 800 16 22 ND<12 5 -- — <br /> 10/20/93 1163 5203 000 -4040 -049 3600 — 490 ND<20 ND<20 ND<20 -- — <br /> 01/17/94 1163 4953 000 -3790 250 3800 — 160 47 23 110 -- — <br /> 04/25/94 1163 4743 000 -3580 -- 2200 — 200 50 ND<10 72 -- — <br /> 07/25/94 1163 4928 000 -3825 -245 850 — 74 24 ND<O 5 61 -- -- <br /> 10/26/94 1163 5104 000 -3941 -1 16 650 — 20 22 NIM 0 46 -- -- <br /> 01/25/95 1163 4929 000 -3666 2 75 240 -- 24 ND<O 5 ND<O 5 0 94 — -- <br /> asst Page 7 of 35 <br />