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• • • Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS September 1996 Tbrough February 2005 76 Station 5886 Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water in 8260B benzene Xylenes 8021B 8260E Elevation Elevation (feet) (feet) (feet) (feet) (feet) (Ng/l) (µg11) (µg/l) (fig/]) (µg11) (µg1!) (µg/1) (µg11) D MW-6S continued D 08/16/99 0 13 721 000 -708 -0 18 11/29/99 0 13 7 15 000 -702 000 ND -- ND 0 7 ND ND 2 6 4 7 D 11/29/99 0 13 7 15 000 -702 006 -- __ __ _ __ __ -- 02/28/00 0 13 S30 000 -517 185 ND -- ND ND ND ND 2100 1500 05/10/00 0 13 638 0 00 -625 -108 ND -- ND ND ND ND 185 226 08/03/00 0 13 708 000 -6 95 -070 ND -- ND ND ND ND 643 529 11/16/00 0 13 667 000 -654 0 41 ND -- ND ND ND ND 20 19 02/05/01 0 13 6 59 000 -646 008 ND -- ND ND ND ND 546 91 04/30/01 0 13 637 000 -624 022 -- -- -- __ _ __ __ 28 2 05/07/01 0 13 643 0 00 -630 -006 ND -- ND ND ND ND 355 279 06/27/01 0 13 759 000 -746 -1 16 -- -- -- -- 6 3 -- 07/19/01 0 13 707 0 00 -694 052 -- -- -- -- -- -- 15 -- 08/20/01 0 13 740 000 -727 -033 ND<50 ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 2 7 09/13/01 0 13 730 000 -7 17 010 - -- -- -- ND<5 0 -- 10/19/01 013 736 000 -7 23 -0 06 - -- -- __ __ __ ND<5 0 -- 11/19/01 0 13 7 03 000 -690 033 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<1 0 12/13/01 0 13 659 000 -646 044 -- -- -- -- ND<2 5 01/18/02 0 13 6 23 000 -6 10 036 -- -- -- -- -- -- ND<2 5 -- 02/11/02 0 13 668 000 -655 -045 ND<50 - ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<2 5 ND<2 0 03/21/02 0 13 6 56 000 -643 0 12 - - -- -- -- -- 2 9 - 05/02/02 0 13 6 72 000 -659 -0 16 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<0 50 ND<5 0 ND<2 0 08/01/02 0 13 703 000 -690 -031 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<2 0 11/20/02 0 13 702 000 -689 0 01 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<2 0 02/20/03 0 13 7 10 000 -697 -008 -- ND<50 ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<2 0 5886 Page 16 of 30