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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through December 2004 <br /> Former 76 Station 6981. <br /> i <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments r <br /> Sampled Elevation Water Thickness water in 8260E benzene Xylenes 802113 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µ$/1) (µPQ) (rAgll) (1+gA) (µg/1) (µgA) (µE11) (µ€Il) <br /> MW-11 continued <br /> 09/22/00 ' 1 l 23 2876 000 -1753 -251 ND<50 -- ND<O 50 13 NDN 50 14 ND<2 5 ND<2 0 <br /> 12(26100 1123 2858 000 -1735 018 ND<50 0 -- ND<O 500 Note 500 ND<U$00 ND<O 500 ND<5 0 ND<2 0 <br /> 03/07/01 1123 2825 000 -1702 033 ND<50 0 M<0-5oo 187 ND<O 500 156 ND<5 0 ND<2 0 <br /> 06/26/01 1123 2927 000 -1804 -102 ND<50 -- ND<O 50 NDN 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 09/12/01 1123 3121 000 -1998 -194 ND<50 -- ND<O 50 49 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 12/12/01 11123 3141 000 -2018 -020 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<1 0 <br /> 03/20/02 1123 30 19 000 -1896 122 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 06/06/02 1123 3063 000 -1940 -0 44 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- ND<2 0 <br /> 09/30/02 1123 3229 000 -2106 -166 - ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 — ND<2 0 <br /> 12/30/02 1123 3273 000 -2150 -044 -- ND<50 ND<O 50 ND<O 50 NDN 50 ND<1 0 -- 16 <br /> 03/29/03 1123 3172 000 -2049 101 — ND<50 ND<O 50 NDN 50 NDN 50 ND<l 0 -- ND<2 0 <br /> 06)25/03 1123 3207 000 -2084 -035 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<2 0 <br /> 09/24/03 1123 3447 000 -2324 -240 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 12/30/03 1123 33 88 000 -2265 059 — -- -- -- -- — -- -- Inaccessible <br /> 03/09/04 1123 3300 000 -2177 088 56 ND<O 50 ND<O 50 NDN 50 ND<10 — ND<2 0 <br /> 06/16/04 1123 3367 000 -2244 -067 — - — -- -- -- -- Damaged Well <br /> 09/20/04 1 t 23 3671 000 -2548 -304 -- .- R ». .. unable to sample casing bent <br /> 12/30/04 1123 3593 000 -2470 078 — — -- -- -- — unable to sample-casing bent <br /> MW-12 (Screen Interval in feet.DNA) <br /> 10/21192 — — — — -- ND<50 -- ND<O 5 ND<O 5 ND<0 5 ND<0 5 -- -- <br /> 01/13/93 -- — -- — -- ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — <br /> 04/26/93 ' 10 98 5084 000 -3986 -- ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 07/26/93 1098 5195 000 -4097 -1 11 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 10/20/93 1098 5246 000 -4148 -051 ND<50 -- ND<0 5 ND<O 5 ND<0.5 ND<O 5 — -- <br /> 8981 Page 23 of 35 <br /> I <br />