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Table 2 HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS 11 May 1j990 Through August 2004 Former BP Oil 1.1192 Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water in 8260E benzene Xylenes 8021B 8260B Elevation Elevation (feet) (feet) (feet) (feet) (feet) (41) (µg11) (9911) (µg11) W11) (gg/1) (µg/1) (µgll) MW4 continued 06/19/92 675 -- -- .- _ _ _ _ _ Dry 09/18/92 675 — -- __ _ _ _ _ _ _ - _ Dry 12/09/92 675 -- -- -- _ _ _ _ _ _ _. .. Dry 03/11/93 675 -• — -- ». — ._ _ _ _ _ _ Dry 06/15/93 675 2801 000 -2126 -- 09/15/93 675 2850 000 -2175 -049 12/22/93 675 2833 000 -2158 017 ND<50 — ND<O 5 ND<0 5 ND<O 5 ND<O 5 -- _ 04/01/94 675 2745 000 -2070 088 — 07/27/94 675 2746 000 -2071 -001 190 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 _ 11/30/94 675 2797 000 -2122 -051 — 02/15/95 675 2685 000 -2010 1 12 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<1 0 04/21/95 675 2477 000 -1802 208 07/19/95 675 2407 000 -1732 070 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<l 0 — 10/20/95 675 2450 000 -1775 — ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<1 0 ND<5 0 -- 04/23/96 675 21 13 000 -1438 337 ND<500 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 14 — 07/12/96 675 2042 000 -1367 071 — 10/18/96 675 1963 000 -1288 079 130 -- ND<O 5 ND<1 0 ND<1 0 ND<1 0 ND<10 -- 02/26/98 675 1301 000 -626 662 ND<50 __ ND<O 5 ND<l 0 ND<1 0 ND 07/07/98 675 1261 000 -5 86 040 ND<50 -- ND<O 5 ND<1 0 ND<1 0 ND<1 0 ND<10 -- 41/19/99 675 1459 000 -784 -198 ND<50 -- ND<1 0 ND 07/14/99 675 1355 000 -680 104 ND<50 -- ND<l 0 ND<1 0 ND<1 0 ND<10' 83 -- 10/07/99 675 1508 000 -833 — 220 -- ND 01/20/00 675 1540 0 00 -865 -032 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 320 -- 04/11/00 675 1431 000 -756 109 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 64 -- • 11192 • PageS•