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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 /> 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 (82608) <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (99/1) (41) (µ8/1) (µ8n) (µ8n) (µ8n) (µ8/1) (µms) <br /> U-5 continued <br /> 08/28/06 47.82 6.50 0.00 41.32 -1.18 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> 10/16/06 47.82 8.60 0.00 39.22 -2.10 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> 01/24/07 47.82 8.76 0.00 39.06 -0.16 ND<50 -- ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 <br /> U-6 (Screen Iatervat in feet:5-20) <br /> 05/23/91 44.22 8.00 0.00 36.22 -- 280 - 240 17 6.0 3.0 22 -- <br /> 08/30/91 44.22 7.97 0.00 36.25 0.03 ND - ND 0.5 0.5 0.87 1.9 -- <br /> 11/06/91 44.22 8.89 0.00 35.33 -0.92 ND - 280 8.2 4.8 18 26 -- - <br /> 02/19/92 44.22 8.15 0.00 36.07 0.74 ND - 4000 210 78 180 610 -- <br /> 03/31/92 44.22 8.85 0.00 35.37 -0.70 ND - 970 330 2.8 41 14 - Samples collected on 4/1/92 <br /> 05/08/92 44.22 -- 0.00 - -- 300 - ND ND ND ND ND - <br /> 08/06/92 44.22 -- 0.00 -- -- ND -- 190 2.2 0.7 8.7 26 - <br /> 11/18/92 44.22 -- 0.00 -- -- 230 -- 230 6.5 ND 11 16 -- <br /> 01/21/93 44.22 -- 0.00 -- -- 2300 -- 6100 400 99 460 590 - • <br /> 05/26/93 44.22 7.95 0.00 36.27 -- 380 -- 600 15 6.5 .34 115 -- <br /> 08/24/93 44.22 7.79 0.00 36.43 0.16 94 -- 170 0.5 ND 3.5 5.7 -- <br /> 11/30/93 43.86 8.21 0.00 35.65 -0.78 ND -- 120 4.1 1.6 3.1 1.9 -- <br /> 02/18/94 43.86 8.02 0.00 35.84 0.19 76 -- 120 1.3 ND 1.8 3.6 -- <br /> 05/12/94 43.86 7.70 0.00 36.16 0.32 64 -- ND 1.1 ND 1.4 3.5 -- <br /> 08/08/94 43.86 7.12 0.00 36.74 0.58 56 - ND ND ND ND ND -- <br /> 11/08/94 43.86 8.64 0.00 35.22 -1.52 ND -- ND ND ND ND ND - <br /> 02/13/95 43-86 8.11 0.00 35.75 0.53 910 -- 1000 19 ND 64 48 -- <br /> 10/10/95 43.86 8.48 0.00 35.38 -0.37 ND -- ND ND ND ND ND -- <br /> 02/13/96 43.86 7.84 0.00 36.02 0.64 220 -- 68 0.62 ND 0.57 ND -- <br /> 11/06/96 43.86 7.26 0.00 36.60 0.58 ND -- ND ND ND 0.73 0.81 -- <br /> 0708 Page 8 of 14 <br />