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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through September 2004 <br /> Former 76 Station 6981 <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 8260E benzene Xylenes 8021E 8260B <br /> Elevation Elevat on <br /> (feet) (feet) (feet) (feet) (feet) (µgJl) (µg11) (ugll) (41) (41) (µg/1) (µg11) (µg11) <br /> MW-14 continued <br /> 06/26/00 1159 2624 000 -1465 264 ND<50 0 — ND<6 500 ND<0.500 ND-a500 ND<O 500 151 346 <br /> 09/22!00 1159 2877 000 -1718 -253 ND<50 — ND<0 50 12 NDN 50 17 290 250 <br /> 12/26/00 1159 2864 000 -1705 013 ND<50 0 -- ND-*500 NDW soo ND<O.s00 NDN Sao 221 210 <br /> 03/07/01 1159 2829 000 -1670 035 ND<50 0 — ND<6 500 ND<a 500 ND<a500 ND<O 500 147 198 <br /> 06/26//01 1159 2930 000 -1771 -101 ND<50 — ND<OSO NDN 50 NDN 50 NDN 50 110 120 <br /> 09/12/01 1159 3122 000 -1963 -192 ND<50 — ND<0 50 NDN 50 NDN 50 ND<O 50 55 61 <br /> 12/12/01 1159 3144 000 -1985 -022 ND<50 — ND<O 50 NDN 50 ND<O 50 ND<O 50 47 55 <br /> 03/20/02 1159 3021 000 -1862 123 ND<50 -- ND<O 50 NDN 50 NDN 50 NDN 50 33 38 <br /> 06/06/02 1159 30 64 000 -1905 -043 -- NDK50 NDN 50 NDN 50 ND<0 50 ND<l 0 -- 18 <br /> 09/30/02 1159 -- -- -- — -- — -- -- — -- -_ — Car Parked On Well <br /> 12/30/02 1159 32.77 000 -2118 — -- ND<50 NDN 50 ND<O 50 ND<0 50 ND<10 -- ND<2 0 <br /> 03/29/03 1159 3174 000 -2015 103 — ND<O NDN 50 ND4 50 ND<O 50 ND<10 -- 93 <br /> 06/25/03 1159 3204 000 -2045 -030 -- ND<50 NDN 50 NDN 50 NDN 50 NIX t 0 -- 79 <br /> 09/24/03 1159 3447 000 -2288 -243 — ND<50 NDaO 50 ND<O 50 NDN 50 ND<10 -- 35 <br /> 12/30/03 1159 3390 000 -2231 057 -- ND.50 NDN 50 NDN 50 NDN 50 ND'-10 -- 26 <br /> 03/09/04 1159 3303 000 -2144 087 -- 50 NDNSO ND<O 50 ND<O 50 ND<10 -- 36 <br /> 06/16/04 1159 3366 000 -2207 -063 -- ND<50 NDa0.50 ND<O 50 ND<O 50 ND<10 3 1 <br /> 09/20/04 1159 -- — -- — — — _ — _ _ __ _ Dry well <br /> MW-15 (Screen Interval m feet 18 0-38.0) <br /> 08/21/99 1137 2862 000 -1725 — ND<50 — NDN 50 NDN 50 ND<0 50 NDN 50 ND<2 5 2 <br /> 10/25/99 1137 2954 000 -1817 -092 ND<50 -- NDN 50 ND<O 50 NIKO 50 NDN 50 77 72 <br /> 01/27/00 1137 2890 000 -1753 064 ND<50 — ND<O 50 ND<O 50 NIKO 50 NDN 50 96 72 <br /> 06/26/00 1137 2627 000 -1490 263 ND<50 0 — ND<a soo ND<O 500 ND<O 500 ND<O 500 726 523 <br /> 09/22/00 1137 2886 000 -1749 -259 ND<50 — NDN.50 12 ND<O 50 13 19 14 <br /> e981 Page 25 of 35 <br />