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st <br /> I <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through June 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 to 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg11) (µg11) (µg/l) (µg/1) (µg/1) (14g/1) (µg11) <br /> MW-10 continued <br /> 10/26/94 1044 4877 000 -3833 -109 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 01/25/95 1044 46 11 000 -35 67 266 ND<50 ND<0 5 062 ND<0 5 082 <br /> 04/26/95 1044 41 78 0 00 -31 34 433 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 07/26/95 1044 4262 000 -32 IS -084 ND<50 -- 065 2 3 ND<0 5 2 5 -- -- <br /> 10/25/95 1044 4344 000 -3300 -082 ND<50 -- ND<0 5 063 ND<0 5 072 -- -- <br /> 01/24/96 1044 4079 000 -3035 265 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 04/25/96 1044 3632 000 -25 88 447 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<40 -- Destroyed <br /> NIW-11 (Screen Interval in feet.54 0-72 0) <br /> 10/21/92 -- - -- -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 <br /> 01/13/93 -- .- -- __ _ ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 04/26193 1123 5083 0 00 -3960 -- ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- <br /> 07/26/93 1123 52 00 000 -4077 -1 17 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 10/20/93 1 1 23 5242 000 -41 19 -042 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 01/17/94 11 23 4980 000 -3857 2 62 340 -- 71 4 7 19 84 -- -- <br /> 02/28/94 11 23 4865 000 -3742 1 I5 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 - -- <br /> 04/25/94 I 1 23 4766 000 -3643 099 ND<50 - ND<0 5 1 ND<0 5 1 3 -- - <br /> 07/25/94 11 23 5021 000 -38 98 -255 ND<50 ND<0 5 057 ND<0 5 1 2 -- -- <br /> 10/26/94 1123 5141 000 -4018 -1 20 ND<50 -- ND<0 5 1 1 ND<0 5 1 2 <br /> 01/25/95 11 23 4857 000 -3734 2 84 ND<50 - ND<0 5 064 ND<0 5 0 89 -- _- <br /> 04/26/95 1 l 23 4423 000 -3300 434 ND<50 - ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- - <br /> 07/26/95 11 23 4524 000 -3401 -101 ND<50 -- 0 91 2 7 ND<0 5 2 7 -- -- <br /> 10/25/95 1123 4605 000 -3482 -081 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 01/24/96 11 23 43 12 000 -31 89 2 93 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 -- -- <br /> 04/25/96 1123 3855 000 -2732 457 ND<50 -- ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<40 -- <br /> ssai Page 22 of 37 <br />