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TABLE 5 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> November 1990 Through January 2007 <br /> Former Bulk Plant 0788 <br /> Daze 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 (80I5M) (GC/MS) benzene Xylenes (82606) <br /> Elevation Elevation - <br /> (feet) (feet) (feet) (feet) (feet) (µg11) (µg/1) (µ8n) (µ8n) (µ8n) (µ8n) (µg/1) (µg/1) <br /> U-6 continued <br /> 05/06/97 43.86 7.02 0.00 36.84 0.24 ND -- ND ND ND ND ND -- • <br /> 04/29/98 43.86 8.08 0.00 35.78 -1.06 140 -- ND ND ND ND ND ND <br /> 12/01/98 43.86 8.22 0.00 35.64 -0.14 200 -- ND ND ND ND ND 32 <br /> 05/24/99 43.86 7.68 0.00 36.18 0.54 ND - ND ND ND ND ND ND <br /> 11/08/99 43.86 8.58 0.00 35.28 -0.90 200 - ND ND ND ND ND ND <br /> 11/03/04 47.50 8.75 0.00 38.75 3.47 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 03/31/05 47.50 8.47 0.00 -39.03 0.28 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 03/06/06 47.50 8.68 0.00 38.82 -0.21 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 06/07/06 47.50 5.93 0.00 41.57 2.75 ND<26 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 <br /> 08/28/06 47.50 6.82 0.00 40.68 -0.89 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> 10/16/06 47.50 8.61 0.00 38.89 -1.79 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> 01/24/07 47.50 8.55 0.00 38.95 0.06 ND<50 - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> U-7 (Screen Interval in feet:4.5-15) <br /> 03/31/92 44.67 9.13 0.00 35.54 -- ND -- ND ND ND ND ND -- • <br /> 08/06/92 44.67 -- 0.00 -- -- ND -- ND ND ND ND ND - <br /> 11/18/92 44.67 0.00 - 50 ND ND ND ND ND - <br /> 01/21/93 44.67 - 0.00 -- - ND - ND ND ND ND ND -- <br /> 05/26/93 44.67 8.22 0.00 36.45 - 62 - ND ND - ND ND ND -- <br /> 08/24/93 44.67 7.98 0.00 36.69 0.24 120 ND ND ND ND ND <br /> 11/30/93 44.24 8.38 0.00 35.86 -0.83 ND -- ND ND ND ND ND -- <br /> 02/18/94 44.24 -- - -- -- - - -- Inaccessible <br /> 05/12/94 44.24 7.79 0.00 36.45 -- ND -- ND ND ND ND ND - <br /> 08/08/94 44.24 7.16 0.00 37.08 0.63 ND - ND ND ND ND ND - <br /> 11/08/94 44.24 8.80 0.00 35.44 -1.64 ND - ND ND ND ND ND - <br /> 0788 - Page 9 of 14 <br />