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i • • <br /> 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 802113 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µ9I1) 019/l) (µg11) (µif I) (Pg/1) (µg11) {µ8l1) (Rg/l) <br /> MW-8 continued <br /> 12/12/01 1038 2949 000 -1911 -032 ND<50 — ND<O 50 NIXO 50 ND<O 50 ND<O 50 ND<5 0 ND<l 0 <br /> 03/20/02 1038 2834 000 -1796 1 15 ND<50 — ND<O 50 ND<O 50 NDN 50 ND<0 50 NDC5 0 ND<2 0 <br /> 06/06102 1038 2874 000 -1936 -040 — ND<50 ND<O 50 ND<3 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 09/30/02 1038 3117 000 -2079 -243 — 120 44 65 44 16 -- ND<2 0 <br /> I2/30/02 1038 3077 000 -2039 040 — ND<50 NDN 50 NDN 50 ND<O 50 ND<l 0 -- ND<2 0 <br /> 03/29/03 1038 2984 000 -1946 093 — ND<50 NDN 50 ND<O 50 ND<0 50 ND<10 -- ND<2 0 <br /> 06/25/03 1038 3010 000 -1972 -026 — ND<50 NDN 50 ND<O 50 ND<0 50 ND<l 0 - ND<2 0 <br /> 09/24/03 1038 3239 000 -2201 -229 — ND<50 NDN 50 11 NDN 50 ND<l 0 — ND<2 0 <br /> 12/30/03 1038 3196 000 -2158 043 — ND<50 ND<O 50 13 068 23 — ND<2 0 <br /> 03/09/04 1038 3107 000 -2069 089 — ND<50 ND<O 50 ND<O 50 ND<O 50 14 — ND<2 0 <br /> 06/16/04 1038 3167 000 2129 -060 — 85 ND<O 50 076 ND<O 50 ND<l 0 — NDN 50 <br /> 09/20/04 1038 3442 000 -2404 -275 ND<50 -- ND<O 50 ND<O 50 ND<0 50 ND<l 0 — ND<O 50 <br /> MW-9 (Screen Interval to feet 50 0-70 0) <br /> 10/21/92 — -- -- — ND<50 NDN 5 ND<0 5 NDN 5 ND<O 5 — -- <br /> 01/13/93 — -- — — -- ND<50 -- ND<0 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 04/26/93 1176 5052 -- -3876 — ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 07/26/93 1176 51 50 — -3974 -098 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 10120l93 1176 5199 — -4023 -049 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 01/17/94 1176 4958 -- -3782 241 280 -- 49 15 91 45 — -- <br /> 02/28/94 1176 4850 — -3674 108 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 04/25/94 1176 4751 -- -3575 099 ND<50 — ND<O 5 094 ND<O 5 13 — — <br /> 07/25/94 1176 49 87 -- -3811 -236 ND<50 -- ND<0.5 ND<O 5 ND<0 5 ND<0 5 — — <br /> 10/26/94 1176 5103 — -3927 -116 ND<50 — ND<O 5 ND<O 5 ND<0.5 ND<0 5 — — <br /> 01/25/95 1176 4832 — -3656 271 ND<50 — ND<O 5 ND<O 5 ND<0.5 ND<O 5 — — <br /> e9at Page 18 of 35 <br />