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i <br /> i <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> September 1996 Through February 2005 <br /> f 76 Station 5886 <br /> I <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) 41g/1) (µg/1) (µg/1) (41) (µg11) (µg11) (µg11) <br /> MW-61) continued <br /> 05/02/02 0 17 6 74 000 -657 -016 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 <br /> 08/01/02 0 17 705 000 -688 -031 - ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 - ND<2 0 <br /> 11/20/02 017 691 000 -674 0 14 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<I 0 -- ND<2 0 <br /> 02/20/03 0 17 674 000 -657 0 17 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<I 0 -- ND<2 0 <br /> 05/07/03 017 6 11 000 -594 0 63 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<2 0 <br /> 08/04/03 0 17 706 000 -689 -095 -- ND<50 ND<5 0 ND<5 0 ND<5 0 ND<l 0 -- ND<2 0 <br /> 11/20/03 1117 6 61 000 -644 045 -- 88 3 3 to 2 1 6 9 ND<2 0 <br /> 02/11/04 0 17 640 000 -6 23 021 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<2 0 <br /> 05/27/04 0 17 664 000 -647 -024 -- ND<50 ND<0 50 2 0 ND<0 50 17 ND<0 50 <br /> 08/30/04 0 17 642 000 -6 25 022 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<l -- ND<0 5 <br /> 11/23/04 0 17 633 000 -6 16 009 ND<50 - ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<0 50 <br /> 02/23/05 0 17 598 000 -5 81 035 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 3 2 <br /> MW-6S (Screen Interval to feet 5 0-15 0) <br /> 05/02/97 -037 694 000 -731 __ ND - ND ND ND ND 120 -- <br /> 09/02/97 -037 8 86 000 -923 -192 ND -- ND ND ND ND ND -- <br /> 12/01/97 -037 737 000 -774 1 49 ND - ND ND ND ND ND <br /> 03/25/98 -037 5 72 000 -609 1 65 ND - ND ND ND ND 1400 1600 <br /> 06117/98 -037 652 0 00 -689 -080 ND -- ND ND ND ND ND 3 3 <br /> 09/01/98 -037 7 17 0 00 -754 -0 65 ND -- ND ND ND ND 34 52 <br /> 12/03/98 -037 667 000 -7 04 050 ND -- ND ND ND ND 65 3 8 <br /> 03/01/99 -037 5 98 000 -635 069 ND - ND ND ND ND 55 53 <br /> 04/15/99 0 13 643 000 -630 -- <br /> 06/01/99 0 13 7 03 000 -690 -- ND -- ND ND ND ND 18 20 <br /> 08/16/99 0 13 7 21 000 -708 000 ND -- ND ND ND ND 3 2 7 <br /> 5886 Page 15 of 30 <br />