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• 0 <br /> Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Through December 2004 <br /> Former 76 Station 6981 <br /> Date TOC Depth to LPH Ground- Change TPH-G TPPH Benzene Toluene Etbyl- Total MTBE MTBE Comments <br /> Sampled Elevatton Water Thtclatess water in 8260B benzene Xylencs 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (fcet) (feet) (µg/l) (µg/1) (µg/1) (µ81l) (µg11) (µg11) (µg11) (pgd) <br /> MW-9 continued <br /> 10/25/99 1176 2882 — -1706 — ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01127/00 1176 2846 — -1670 036 ND<50 -- NIXO 50 16 ND<O 50 22 ND<2 5 ND<2 0 <br /> 06/26/00 1176 2560 — -13 84 286 ND<50 0 — ND<o 500 NCxo 500 N0<0 500 N&*0 500 NDC5 0 204 <br /> 09rMOO 1176 28 17 -- -1641 -257 ND<50 — 19 23 ND<O 50 23 35 34 <br /> 12/26/00 1176 2819 -- -1643 -002 ND<50 0 — ND<D 500 ND<O 500 ND<O 500 ND<O 500 ND<5 0 235 <br /> 03/07/01 1176 2791 -- -16 15 028 Nl <50 0 - ND<O 500 ND<O 500 ND<O 500 ND<O 500 ND<5 0 32 <br /> 06/26/01 1176 2882 -- -1706 -091 ND<50 -- ND<O 50 ND<O 50 ND<O 50 NDN 50 ND<5 0 NDC10 <br /> 09/1210I 1176 3072 -- -1896 -190 ND<50 -- 094 NDN 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 12/12/01 1176 3108 — -1932 -036 ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<1 0 <br /> 03/20/02 1176 2986 _ -1810 122 ND<50 -- ND<O 50 ND<O 50 ND<O 50 NDN 50 NDC5 0 ND<2 0 <br /> 06/06/02 1176 3031 -1855 -045 -- ND<50 ND<O 50 NDN 50 ND<O 50 ND<1 0 — ND<2 0 <br /> 09/30/02 1176 3264 -- -2088 -233 — 160 55 82 45 20 -- ND<2 0 <br /> 12/30/02 1176 3285 -- -2109 -021 -- — -- -- — — -- ._ <br /> 03/29/03 1176 3141 -- -1965 144 -- ND<50 ND<O 50 NDN 50 ND<O 50 ND<1 0 — ND<2 0 <br /> 06/25/03 1176 31 66 -- -1990 -025 — ND<50 ND<0 50 ND<O 50 ND<O 50 NIXI 0 — ND<2 0 <br /> 09/24/03 1176 3396 000 -2220 -230 -- ND<50 ND<O 50 054 ND<O 50 ND<1 0 -- ND<2 0 <br /> 12/30/03 1176 3354 000 -2178 042 — 77 ND<O 50 13 ND<O 50 19 -- ND<2 0 <br /> 03/09/04 1176 3255 000 -2079 099 -- ND<50 ND<O 50 NDN 50 ND<0 50 12 -- ND<2 0 <br /> 06/16/04 1176 3321 000 -2145 -066 -- 60 ND<O 50 064 ND<O 50 ND<1 0 -- ND<O 50 <br /> 09/20/04 1176 3608 000 -2432 -287 ND<50 -- ND<O 50 ND<0 50 ND<O 50 ND<l 0 — 18 <br /> 12/30/04 1176 3550 000 -2374 058 ND<50 -- ND<O 50 ND<O 50 ND<0 50 ND<1 0 — 1 1 <br /> MW-10 (Screen Interval m feet DNA) <br /> 10/21/92 — — -- — -- ND<50 -- ND<0 5 NIXO 5 NDN 5 NIXO 5 -- -- <br /> 01/13/93 — — -- _- ND<50 -- ND<0 5 ND<O 5 ND<O 5 ND<O 5 -- — <br /> seat Page 20 of 35 <br /> I <br />