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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through January 2011 <br /> Former 76 Station 6981 <br /> Date TOC Depth to LPH Ground- Change in - Comments <br /> Sampled Elevation Water Thickness water Elevation TPH-G TPH-G Ethyl- Total MTBE MTBE <br /> Elevation 8015 (GC/MS) Benzene Toluene benzene Xylenes (8021B) (8260B) <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg/1) (µp/1) (µg/1) (µg/1) (µg/1) (µg/1) <br /> VW-7 continued . <br /> 1/27/2000 29.02 23000 2000 5600 860 9900 120 75 <br /> 6/26/2000 -- 26.27 -- -- -- 28700 -- 1560 3800 ND<50.0 8310 ND<500 41.4 <br /> 9/22/2000 11.67 28.43 0.00 -16.76 - 8500 -- 610 2200 12 4900 300 35 <br /> 12/26/2000 11.67 28.34 0.00 -16.67 0.09 37900 . -- 1420 3330 328 10000 ND<500 ND<100 <br /> 3/7/2001 11.67 28.03 0.00 -16.36 0.31 34400 -- 853 2750 394 8900 ND<500 ND<40 <br /> 6/26/2001 11.67 29.08 0.00 -17.41 -1.05 31000 -- 660 2100 150 7900 ND<500 ND<50 <br /> 9/12/2001 11.67 30.94 0.00 -19.27 -1.86 34000 -- 870 1800 780 7900 ND<1000 ND<50 <br /> 12/12/2001 11.67 31.21 0.00 -19.54 -0.27 29000 -- 710 1000 200 5100 ND<500 ND<33 <br /> 3/20/2002 11.67 30.07 0.00 -18.40 1.14 26000 -- 590 930 640 4700 ND<500 ND<40 <br /> 6/6/2002 11.67 30.47 0.00 -18.80 - -0.40 -- 2100 22 62 61 450 -- ND<2.0 <br /> 9/30/2002 11.67 32.86 0.00 -21.19 -2.39 -- 30000 380 760 570 3800 -- ND<100 <br /> 12/30/2002 11.67 32.60 0.00 -20.93 0.26 24000 170 350 550 3100 ND<100 <br /> 3/29/2003 11.67 31.25 9.00 -19.58 1.35 18000 160 240 470 2600 ND<400 • <br /> 6/25/2003 11.67 32.07 0.00 -20.40 -0.82 -- 14000 77 110 210 1100 -- ND<20 <br /> 9/24/2003 11.67 34.27 0.00 -22.60 -2.20 -- 23000 20 63 420 2000 -- ND<50 <br /> 12/30/2003 11.67 34.16 0.00 -22.49 0.11 -- 18000 ND<5.0 18 290 960 -- ND<20 <br /> 3/9/2004 11.67 32.79 0.00 -21.12 1.37 -- 13000 7.1 18 280 740 -- ND<10 <br /> 6/16/2004 11.67 33.41 0.00 -21.74 -0.62 -- 11000 3.8 7.2 180 420 -- ND<2.5 <br /> 9/20/2004 11.67 36.33 0.00 -24.66 -2.92 8500 ND<2.5 7.0 190 390 ND<2.5 <br /> 12/30/2004 11.67 35.72 0.00 -24.05 0.61 6800 1.7 4.9 110 210 -- ND<2.5 <br /> 3/24/2005 11.67 -- -- -- -- -- -- -- -- -- -- -- -- Dry well <br /> 6/28/2005 11.67 32.81 0.00 -21.14 -- 7400 9700 1.7 6.4 120 170 -- ND<0.50 - <br /> 9/9/2005 11.67 34.11 0.00 -22.44 -1.30 4200 -- 2.6 5.1 92 160 -- ND<0.50 <br /> 8981 Page 53 of 54 �.TRC <br />