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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 8260E benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µfill) (µg/1) On/[) (µg/1) (µg11) (LM) (µfill) (µfill) <br /> MW-1 continued <br /> 06/06/02 1107 2959 000 -1852 -041 -- ND<50 ND<O 50 079 ND<0 50 ND<1 0 — ND<2 0 <br /> 09/30/02 1107 3207 000 -2100 -248 — ND<50 i i 18 12 42 -- ND<2 0 <br /> 12130/02 1107 3165 000 -2058 042 -- ND<50 ND<O 50 056 NDN 50 13 -- ND<2 0 <br /> 03/29/03 1107 30 72 000 -1965 093 — ND<50 NI}<O 50 ND<O 50 NIKO 50 ND<1 0 -- ND<2 0 <br /> 06/15/03 1107 3098 000 -1991 -026 -- ND<50 ND<O 50 NDN 50 ND<O 50 ND<10 -- ND<2 0 <br /> 09/24/03 1107 3322 000 -2215 -224 -- ND<50 ND<O 50 088 NDN 50 ND<10 — ND<50 <br /> 12/30/03 1107 3285 000 -2178 037 -- ND<50 ND<O 50 064 052 15 — ND<2 0 <br /> 03/09/04 1107 3191 000 -2094 094 — ND<50 ND<O 50 ND<O 50 NDN 50 ND<l 0 — ND<2 0 <br /> 06/16/04 1107 3257 000 -2150 -066 -- ND<50 ND<O 50 ND<O 50 NDN 50 ND<1 0 -- ND<O 50 <br /> 09/20/04 1107 3537 000 -2430 -280 ND<50 — ND<0 50 ND<0 50 ND<O 50 ND<1 0 — NDN-5O <br /> MW-2 (Screen Interval in feet 510-55 0) <br /> 02/21/90 — — — -- -- 12000 -- 1900 75 21 140 — — <br /> 10/18/90 — — -- -- -- -- — — — — — — Dry <br /> 11/19/90 — -- — — __ _ — _ — — — — Dry <br /> 12/27/90 — — — — — -- — -- -- -- — -- Dry <br /> 01/28/91 -- — _ - -- — -- - -- — — — Dry <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 /> figs Page 3 of 35 <br />