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Table 2 <br /> HISTORIC FLUID LEVELS AND SELECTED ANALYTICAL RESULTS <br /> February 1990 Tbrough 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 Tludmess water in 8260E benzene Xylenes 8021E 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (1►€/l) (uFll) (RPS) (1L9/1) (Awl) (W) (90) CUM) <br /> MW-9 continued <br /> 04/26/95 1176 4344 -- -1168 488 ND<50 — 12 41 ND<O 5 33 -- <br /> 07/26/95 1176 4461 -- -3285 -117 ND<50 — ND<O 5 14 NDN 5 12 -- — <br /> lOY25/95 1176 4554 — -3378 -093 ND60 — ND<0 5 ND<O 5 ND<O 5 ND<O 5 — — <br /> 01/24/96 1176 42 74 — -3098 280 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 — -- <br /> 04/25/96 1176 3778 — -2602 — ND<50 — NIKO 5 ND<O 5 ND<O 5 ND<O 5 ND<40 -- <br /> 07/24/96 1176 3829 — -2653 -051 ND<50 — ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 0 — <br /> 10/23/96 1176 40 l8 — -2842 -189 ND<50 -- NDN 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 -- <br /> 01/20/97 1176 3617 — -2441 401 ND<50 ND<O 5 ND<0-5 NDN 5 ND<O 5 ND<5 0 -- <br /> 07l16/97 1176 3394 — -2209 — ND<50 — ND<O 5 ND<O 5 NDN 5 ND<O 5 ND<5 0 -- <br /> 10/15/97 1176 3575 -- -2399 -191 ND<50 -- ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 0 ND<2 0 <br /> 12/08/97 1176 3578 — -2402 -003 <br /> 03/05/98 1176 3080 -- 49 04 498 ND<50 — ND<O 50 ND<O 50 ND<O 50 NDN 50 ND<2 5 ND<2 0 <br /> 05127/98 1176 2767 — -1591 — ND<50 •- ND<O 50 NDN 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 07/21/98 1176 2791 — -1615 -024 ND<50 ND<O 50 NDN 50 ND<O 50 ND<O 50 ND<2 5 ND<2-0 <br /> 10/14/98 1176 2899 — -1723 -109 ND<50 ND<O 50 ND<0 50 NDN 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/25/99 1176 2822 — -1646 077 ND<50 — NDN 50 NDN 50 ND<O 50 ND<0 50 ND<2 5 ND<2 0 <br /> 04/19/99 1176 2573 — -1397 249 ND<50 — ND<O 50 NDN 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 07/I5/99 1176 2713 -- -1537 -140 ND<50 — NDN 50 ND<O 50 ND<0 50 ND<O 50 ND<2 5 ND<2 0 <br /> 10/25/99 1176 2892 -- -1706 — ND<50 — NDN 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/27/00 1176 2846 -- -1670 0 36 ND<50 — NDN 50 16 ND<O 50 22 ND<2 5 ND<2 0 <br /> 06126/00 1176 2560 -- -1384 2 86 ND<50 0 — ND<0 500 ND<0 500 ND<0-500 ND<0 500 ND<5 0 204 <br /> 09/22/00 1176 2817 -- -1641 -2 57 ND<50 — 19 23 ND<O 50 23 35 34 <br /> 12/26/00 1176 2819 - -1643 -002 ND<50 0 — NDw 500 rm<a$00 ND<0 500 ND<0 500 ND<5 0 235 <br /> 03/07/01 1176 2791 -- -16 I5 028 ND<50 0 — mxa 500 ND<0 500 ND<O 500 ND<O 500 ND<5 0 32 <br /> asst Page 19 of 35 <br />