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• <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 8260B benzene Xylenes 8021B 8260E <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/I) WA) (RA (999) (PFS) (µ9(1) (ug/1) (u8/1) <br /> MW-10 continued <br /> 10/26/94 1044 4877 000 -3833 -109 ND<50 — NDN 5 ND<O 5 ND<O 5 ND<0 5 — — <br /> 01/75/95 1044 4611 000 -3567 2 66 ND<50 -- ND<0 5 062 ND<O 5 082 — -- <br /> 04/26/95 1044 4178 000 -3134 433 ND<50 — ND<O 5 ND<O 5 ND<O 5 NDN 5 -- — <br /> 07/26/95 1044 4262 000 -3218 -084 ND<50 — 065 21 ND<O 5 25 -- -- <br /> 10/25/95 1044 4344 0 00 -3300 -082 ND<50 — ND<0.5 063 ND<O 5 072 -- -- <br /> 01/24(96 1044 4079 000 -3035 265 ND<50 -- ND<U 5 ND<O 5 NDN 5 NDN 5 — — <br /> 04125/96 1044 3632 000 -25 88 — ND<50 -- NDN 5 ND<O 5 ND<O 5 ND<O 5 ND<40 — Destroyed <br /> I <br /> MW-11 (Scram Interval In feet•54 0-72.0) <br /> 10/02/92 -- — -- — — ND<50 — NDN 5 ND<O 5 ND<0 5 ND<O 5 — — <br /> 01/13/93 -- — -- — -- ND<50 — NIXO 5 ND<O 5 ND<O 5 NDN 5 — — <br /> 04/26/93 1123 5083 000 -3960 — ND<50 — ND<O 5 NDN 5 NDN 5 NDN 5 — — <br /> 07/26/93 1123 52.00 000 -4077 -117 ND<50 -- ND<O 5 ND<O 5 NDN 5 NDN 5 — — <br /> 10/20/93 1123 52.42 000 -4119 -042 ND<50 -- ND<O 5 ND<O 5 ND<O 5 Nl)<O 5 -- — <br /> 01/17/94 1123 4980 000 -3857 262 340 — 71 47 19 84 -- -- <br /> 02/28/94 1123 4865 000 -3742 115 ND<50 -- ND<O 5 ND<0 5 ND<O 5 ND<O 5 — -- <br /> 04/25/94 1123 4766 000 -3643 099 ND<50 — ND<O 5 1 ND<O 5 13 — — <br /> 07/25/94 1123 50.21 000 -3898 -255 ND<50 -- ND<O 5 057 NDN 5 12 -- — <br /> 10/26/94 11-23 5141 000 -4018 -120 ND<50 — ND<O 5 1 1 ND<O 5 12 — -- <br /> 01/25/95 11-23 4857 000 -3734 2 84 ND<50 -- ND<O 5 064 ND<O 5 0 89 -- — <br /> 04/26/95 11.23 4423 000 -3300 434 ND<50 -- ND<O 5 ND<0.5 ND<O 5 ND<O 5 -- -- <br /> 07/26/95 11.23 4524 000 -34 01 -101 ND<50 -- 091 27 ND<O 5 27 — <br /> 10/25/95 11.23 4605 000 -3482 -081 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 01/24/96 11.23 4312 000 -3189 293 ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 -- -- <br /> 04/25/96 1123 3955 000 -2732 -- ND<50 — ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<40 — <br /> 6981 Page 21 of 35 <br />