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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 MME MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (fent) (feet) (µg/1) (µg/1) (µg/1) (110) (Pg/l) (µg11) (Pg/1) (pg/l) <br /> MW-1 (Screen Interval in feet 51.0-55 0) <br /> 10/18/90 — — — -- — _ _ — _ _ .. — — Dry <br /> 11119190 — — -- — .. _ ._ -. — _ <br /> 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 -- -- — — __ _ — -_ -- -- _ -- pry <br /> 11/14/91 -- — -- -- _ -_ — — -- -- -- _ -- <br /> Dry <br /> 04/16/92 -- .- — .. _ __ Dry <br /> 07/30/92 -- — -- -- -- -- -- -- -- -- -- -- -- <br /> Dry <br /> 10/21/92 -- - — __ _ _ Dry <br /> 01/13/93 -- _ -- _. _ — — __ __ __ .. __ _ <br /> Dry <br /> 04/26/93 1041 4912 000 -3871 -- 1400 -- 16 ND<5 0 ND<5 0 ND<5 0 -- -- <br /> 07/26/93 1041 5013 000 -3972 -101 550 -- 12 95 ND<l 0 75 -- -- <br /> 10/20/93 1041 5065 000 -4024 -052 440 -- 05 099 ND<O 5 21 -- — <br /> 01/17/94 1041 48 18 000 -3777 247 990 — 15 10 39 150 -- <br /> 04/25/94 1041 4610 000 -3569 — 180 -- 21 17 ND<O 5 15 -- -- <br /> 07/25/94 1041 4845 000 -3804 -235 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- -- <br /> 10/26/94 1041 49 66 000 -3925 -121 68 — 4 ND<O 5 ND<O 5 ND<O 5 -- -- <br /> 01/25/95 1041 4728 000 -3687 238 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 04/26/95 1041 4232 000 -3191 496 ND<50 — ND<O 5 064 ND<O 5 075 — -- <br /> 07/26/95 1041 4335 000 -3294 -103 ND<50 — ND<O 5 064 ND<O 5 084 — -- <br /> 10/25/95 1041 4423 000 -3382 -088 <br /> 01/24/96 1041 4141 000 -3100 282 ND<250 — ND<2 5 ND<2 5 ND<2 5 ND<2-5 — — <br /> 8889 Page 1 of 35 <br /> I <br />