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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) (110) (µg11) (µg/1) (µg/i) (µg11) (µg/1) (µg/l) (µg/1) <br /> VW-4 continued <br /> 09/22/00 11 76 2865 000 -16 89 -- 12000 -- ND<100 ND<100 ND<100 200 2800 160 <br /> 12/26/00 11 76 2858 000 -1682 0 07 11100 ND<12 5 ND<12 5 275 167 140 172 <br /> 03/07/01 11 76 2827 000 -1651 031 12700 -- 128 ND<10 0 794 413 350 321 <br /> 06/26/01 11 76 2932 000 -1756 -105 17000 -- ND<20 ND<20 27 170 230 330 <br /> 09/12/01 11 76 31 20 0 00 -1944 -1 88 6900 - 88 ND<5 0 62 230 240 310 <br /> 12/12/01 11 76 3147 000 -1971 -027 7000 -- 24 ND<10 200 64 220 270 <br /> 03/20/02 1176 3021 000 -1845 1 26 170 -- ND<O 50 ND<O 50 ND<0 50 2 4 27 36 <br /> 06/06/02 1176 3067 000 -1891 -046 -- ND<50 ND<O 50 ND<O 50 0 5 39 -- 40 <br /> 09/30/02 1176 -- -- -- -- -- -- - -- -- -- -- -- Dry <br /> 12/30/02 1176 -- -- __ __ _. Dry <br /> 03/29/03 1176 31 74 000 -1998 -- - ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 06/25/03 1176 32 08 000 -2032 -034 __ __ __ __ __ Insufficient Water <br /> 09/24/03 11 76 3445 000 -2269 -237 -- ND<50 ND<O 50 0 61 ND<O 50 ND<1 0 -- 2 9 <br /> 12/30/03 11 76 3395 000 -22 19 050 -- ND<50 ND<O 50 ND<0 50 ND<O 50 ND<1 0 -- 6 0 <br /> 03/09/04 11 76 3302 000 -2126 093 - 870 0 73 ND<O 50 9 0 180 -- 4 3 <br /> 06/16/04 11 76 3366 000 -21 90 -064 -- 930 ND<O 50 ND<O 50 9 1 86 -- 3 2 <br /> 09/20/04 11 76 -- -- -- -- __ __ _ -- __ __ -- Dry well <br /> 12/30/04 11 76 -- -- __ __ __ _ __ __ __ __ Dry well <br /> 03/24/05 11 76 3458 000 -2282 -- 470 - ND<O 50 ND<0 50 7 3 31 0 88 <br /> VW-7 (Screen Interval in feet 55 0-60 0) <br /> 08/21/99 -- 28 57 -- - - 37000 -- 2500 6100 610 7000 ND<250 510 <br /> 10/25/99 -- 2954 -- -- -- 33000 -- 2900 6800 680 7800 ND<500 4 7 <br /> 01/27/00 2902 -- -- 23000 2000 5600 860 9900 120 75 <br /> 06/26/00 -- 26 27 -- -- -- 28700 -- 1560 3800 ND<50 0 8310 ND<500 414 <br /> 6981 Page 35 of 36 <br />