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TABLE 5 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> November 1990 Through January 2007 i <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) (GC/MS) benzene Xylenes (826013) <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg/1) (99/1) (µ8/1) (µ81I) (118/1) (118/1) - <br /> U-10 (Screen Interval in feet:4.5-15) - <br /> 03/31/92 43.67 8.31 0.00 35.36 -- ND -- ND ND 0.83 ND ND __ Samples collected on 4/1/920 <br /> 08/06/92 43.67 -- 0.00 - - ND -- ND ND ND ND ND -- <br /> 11/18/92 43.67 - 0.00 -- - 70 - ND ND ND ND ND - - <br /> . 01/21/93 43.67 - 0.00 -- -_ ND - ND ND ND ND ND - <br /> 05/26/93 43.67 7.63 0.00 36.04 -- 95 -- ND ND ND ND. ND -- <br /> 08/24/93 43.67 7.63 0.00 36.04 0.00 ND -- ND ND ND ND ND -- <br /> 11/30/93 43.11 7.55 0.00 35.56 -0.48 ND - ND ND ND ND ND -- <br /> 02/18/94 43.11 7.32 0.00 35.79 0.23 ND - ND ND ND ND ND - <br /> 05/12/94 43.11 6.94 0.00 36.17 0.38 ND -- ND ND ND ND ND -- <br /> 08/08/94 43.11 6.72 0.00 36.39 0.22 ND -- ND ND ND ND ND -- <br /> 11/08/94 43.11 7.98 0.00 35.13 -1.26 ND -- ND ND ND ND ND -_ <br /> 02/13/95 43.11 7.63 0.00 35.48 0.35 ND - ND ND ND ND ND - <br /> 10/10/95 43.11 7.79 0.00 35.32 -0.16 - -- -- - -- - -- - Sampled annually <br /> 02/13/96 43.11 7.15 0.00 35.96 0.64 ND -- ND ND ND ND ND -- <br /> 11/06/96 43.11 6.69 0.00 36.42 0.46 -- -- - -- _ __ __ __ • <br /> 05/06/97 43.11 5.98 0.00 37.13 0.71 ND - ND ND ND ND ND - <br /> 04/29/98 43.11 7.35 0.00 35.76 -1-37 69 - ND ND ND ND ND ND <br /> 12/01/98 43.11 7.58 0.00 35.53 -0.23 <br /> 05/24/99 43.11 6.90 0.00 36.21 0.68 ND -- ND ND ND ND ND ND <br /> 11/08/99 43.11 7.91 0.00 35.20 -1.01 <br /> 11/03/04 47.12 8.14 0.00 .38-98 3.78 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 03/31/05 47.12 7.82 0.00 39.30 0.32 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 03/06/06 47.12 8.10 0.00 39.02 -0.28 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 06/07/06 47.12 4.92 0.00 42.20 3.18 ND<26 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 0788 Page 13 of 14 <br />