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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 Elevatton Water Thnclmess water in 8260B benzene Xylenes 9021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µgll) (141) (µg/1) (p&4) (18l1) (9911) (µg11) (40) <br /> MW-7 continued <br /> 12/30/02 1182 3290 000 -2108 050 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 03/29/03 1182 3187 000 -2005 103 -- ND<50 ND<O 50 13 ND<O 50 13 — ND<2 0 <br /> 46/25/03 1182 3032 000 -1950 155 -- ND<50 ND<O 50 ND<O 50 ND<0 50 ND<1 0 -- ND<2 0 <br /> 09/24/03 1182 3458 000 -2276 -4.26 -- ND<50 ND<O 50 062 NDN 50 ND<10 ND<2 0 <br /> 12/30/03 1182 3406 000 -2224 052 -- ND<50 056 29 070 33 -- ND<2 0 <br /> 03/09/04 1182 3311 000 -2129 095 -- ND<50 ND<O 50 ND<O 50 ND<0 50 NIKI 0 — ND<2 0 <br /> 06/16/04 1182 3377 000 -2195 -066 — 57 ND<O 50 ND<O 50 ND<O 50 15 — ND<O 50 <br /> 09/20/04 1182 3672 000 -2490 -295 ND<50 — NIXO 50 ND<O 50 ND<O 50 ND<1 0 — ND<O 50 <br /> MW-8 (Screen Interval to feet-49 0-69 0) <br /> 04/16/92 -- -- — — — _ _ — — -- -- _ -- <br /> 07/30/92 — — — -- — ND<50 — 17 ND<O 5 ND<O 5 ND<O 5 — — <br /> 10/21/92 — — -- — — ND<50 — ND<O 5 08 ND<O 5 ND<O 5 -- -- <br /> 01/13/93 -- -- — -- — ND<50 -- ND<0.5 ND<O 5 ND<0 5 ND<O 5 -- -- <br /> 04/26193 1039 4890 000 -3842 -- 120 — 1 1 ND<O 5 ND<O 5 ND<0 5 -- -- <br /> 07/26/93 1038 4979 000 -3941 -099 90 -- 06 ND<O 5 ND<O 5 ND<O 5 — — <br /> 10/20/93 1038 5028 000 -3990 -049 92 -- 4 072 076 18 — — <br /> 01/17/94 1039 4785 000 -3747 243 620 -- 39 27 11 48 — — <br /> 02/28/94 1038 4677 000 -3639 log 88 ND<O 5 ND<O 5 ND<O 5 09 — -- <br /> 04/25/94 1038 4581 000 -3543 096 94 — 067 12 052 24 -- — <br /> 07/25/94 1038 4820 000 -3782 -239 170 — ND<O 5 082 ND<05 17 -- -- <br /> 10/26/94 1038 4933 000 -3895 -1 13 ND<50 -- ND<O 5 ND<O 5 ND<O 5 13 — — <br /> 01/25195 1038 46 63 000 -3625 270 ND<50 -- ND<O 5 072 ND<O 5 14 — — <br /> 04/26/95 1038 4213 GOD -3175 450 ND<50 — ND<0.5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 07/26/95 1038 4310 000 -32.72 -097 ND<50 -- 079 22 ND<O 5 27 -- — <br /> owl Page 16 of 35 <br />