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0 <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through March 2005 <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) (µg11) (µg11) {µg11) (µg11) (µg11) (µg/1) (µg11) <br /> MW-3 continued <br /> 04/26/95 1151 43 58 000 -3207 4 79 ND<50 - ND<O 5 074 ND<O 5 1 1 -- -- <br /> 07/26/95 1 1 51 4470 000 -33 19 -1 12 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- <br /> 10/25/95 1151 4559 000 -3408 -0 89 -- -- -- -- -- -- -- <br /> 01/24/96 1151 4264 000 -31 13 295 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 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 /> 10/18/9Q -- -- - - -- -- -- -- -- - 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 /> - <br /> 07/30/92 - -- -- - - -- -- - -- - Dry <br /> 10/21/92 - -- -- - __ Dry <br /> 01/13/93 -- - -- -- -- -- -- - -_ -- Dry <br /> 04/26/93 1163 5052 000 -38 89 -- 11000 -- 1400 ND<50 ND<50 ND<50 -- - <br /> 07/26/93 1163 51 54 000 -3991 -102 5700 -- 800 16 22 ND<12 5 - -- <br /> 10/20/93 11 63 52 03 000 -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 -35 80 -- 2200 -- 200 50 ND<10 72 -- -- <br /> 6981 Page 7 of 36 <br />