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j <br /> TABLE 5 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> November 1990 Through January 2007 <br /> Former Bulk Plant 0788 <br /> Date TOC Depth to LPH Ground- Change TPH-D TPH-G TPH-G Benzene Toluene Ethyl- Total MTBE Comments <br /> Sampled Elevation Water Thickness water in (8015M) (GUMS) benzene Xylenes (826013) <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µS/1) (41) (µg/l) (µg/1) (118/1) (lig/1) <br /> U-3 continued • <br /> 05/24/99 45.15 8.35 0.00 36.80 0.55 74 - ND ND ND ND ND ND <br /> 11/08/99 45.15 9.15 0.00 36.00 -0.80 110 - - ND ND ND ND ND ND <br /> 11/03/04 48.85 9.50 0.00 39.35 3.35 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 03/31/05 48.85 9.15 0.00 39.70 0.35 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 03/06/06 48.85 9.36 0.00 39.49 -0.21 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 NIX0.50 <br /> 06/07/06 48.85 6.14 0.00 42.71 3.22 58 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 08/28/06 48.85 7.60 0.00 41.25 -1.46 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> 10/16/06 48.85 9.36 0.00 39.49 -1.76 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0-50 ND<0.50 <br /> 01/24/07 48.85 9.47 0.00 39.38 -0.11 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> U4 (Screen Interval in feet.5-18) <br /> 05/23/91 45.59 8.27 0.00 37.32 -- 50 -- ND ND ND ND ND -- <br /> 08/30/91 45.59 8.52 0.00 37.07 -0.25 ND -- ND ND ND ND ND - <br /> 11/06/91 45.59 9.46 0.00 36.13 -0.94 ND - ND ND- ND ND ND - <br /> 02/19/92 45.59 8.66 0.00 36.93 0.80 ND - ND ND ND ND ND - <br /> 03/31/92 45.59 9.54 0.00 36.05 -0.88 ND - ND ND ND ND ND - Samples collected on 4/1/92• <br /> 05/08/92 45.59 - 0.00 - - ND ND ND ND ND NO <br /> 08/06/92 45.59 -- 0.00 - -- 100 -- ND ND ND ND ND -- <br /> 11/18/92 45.59 -- 0.00 - -- 70 -- ND ND ND ND ND -- <br /> 01/21/93 45.59 -- 0.00 -- -- ND - ND ND ND ND ND - <br /> 05/26/93 45.59 8.46 0.00 37.13 - 63 - ND ND ND ND ND - <br /> 08/24/93 45.59 8.65 0.00 36.94 -0.19 ND - ND ND ND ND - ND - <br /> 11/30/93 45.19 8.68 0.00 36.51 -0.43 ND - ND ND ND ND ND - <br /> 02/18/94 45.19 8.42 0.00 36.77 0.26 ND - ND ND ND ND ND - <br /> 05/12/94 45.19 T94 0.00 37.25 0.48 ND - ND ND ND ND ND - <br /> 0788 -Page 5 of 14 <br />