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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> May 1990 Through November 2004 <br /> Former HP Oil 11192 <br /> Date TOG Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE TBA Comments <br /> Sampled Elevation Water Thickness water 1n 8260B benzene Xylenes 8021B 8260B 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) (µg/1) (µg/l) (110) (µg/1) (µg/l) 4Lg/1) (µg/1) (41) <br /> MW-7 continued <br /> 07/27/94 6 21 2721 000 -2100 -0 06 72 -- ND<O 5 ND<O 5 ND<O 5 ND<0 5 2855 — — <br /> 11/30/94 621 2758 000 -2137 0 00 140 -- ND<O 5 0 8 44 83 64 -- <br /> D 11/30/94 621 2759 000 -2137 -037 140 — 06 1 5 9 3 69 <br /> 02!15195 621 2658 000 -2037 100 90 -- ND<O 50 ND<O 50 21 17 -- -- <br /> 04/21/95 621 2461 000 -1940 197 53 -- 065 ND<O 50 14 14 <br /> 07/19/95 621 23 74 000 -1753 087 81 — 059 ND<O 50 055 ND<l 0 -- _ — <br /> D 07/19/95 621 2374 000 -1753 000 82 -- ND<O 50 ND<O 50 054 ND<1 0 <br /> P 10/20/95 6 21 -- -• __ 110 ._ ND<O 50 ND<O 50 ND<O 50 ND<I 0 160 — -- Pre-purge <br /> 10/10/95 6 21 24 15 000 -1794 000 89 -- ND<O 50 ND<0 50 ND<0 50 ND<1 0 110 — <br /> P 04/23/96 621 — -- -- -- ND<500 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 150 — -- Pre-purge <br /> 04/23/96 621 2078 000 -1457 3 37 ND<500 - ND<O 5 ND<O 5 ND<O 5 ND<O 5 160 -- -- <br /> 07/12/96 621 21 18 000 -1497 -040 ND<50 - ND<O 5 ND<1 ND<1 ND<l ND<10 -- -- <br /> D 07/12/96 621 21 18 000 -1497 000 ND<50 -- ND<O 5 ND<1 ND<1 ND<i ND<10 -- <br /> 10/18/96 621 2070 000 -1449 048 220 -- ND<O 5 ND<1 0 ND<1 0 ND<1 0 200 -- -- <br /> D 10/18/96 621 2070 000 -1449 000 240 -- ND<O 5 ND<1 0 ND<l 0 ND<1 0 200 -- -- <br /> 02/26/98 6 21 1300 000 -6 79 770 120 — ND<O 5 ND<1 0 ND<1 0 ND<1 0 95 -- -- <br /> 07/07/98 621 1220 000 -599 080 1800 -- ND<O 5 ND<1 0 ND<1 0 ND<l 0 2400 -- -- <br /> 01/19/99 6 21 1433 000 -8 12 -213 3200 — ND<1 0 ND<1 0 ND<1 0 ND<l 0 3800 -- -- <br /> 07/14/99 621 13 13 000 -692 120 <br /> 07/26/99 621 1330 000 -7 09 .0 17 21000 -- ND<1 0 ND<1 0 7 2 24 18000 -- -- <br /> 10/07/99 621 1464 000 -843 -134 33000 -- ND<1 0 ND<1 0 l 1 ND<1 0 19000 -- <br /> 01/20/00 621 15 15 000 -894 -051 200 -- 1 6 ND<O 5 ND<O 5 ND<O 5 25000 — — <br /> 04/11/00 621 1540 000 -919 -025 2500 — 3 3 ND<O 5 ND<O 5 0 53 63000 -- -- <br /> 07114/00 621 1251 000 -630 289 2500 - 3 8 ND<O 5 41 1 55000 -- — <br /> 11192 Page 13 of 18 <br />