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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 /> I <br /> Date TOC Depth to LPH Ground- Change TPM-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments <br /> Sampled Elevation Water Tluclaiess water In 8260E benzene Xylenes 8021B 8260B <br /> Elevation Elevation <br /> (feet) (feet) (feet) (feet) (feet) (µg/1) WA) (µg/1) (µg/1) (µg11) (µ9/1) (µg11) (µg/l) <br /> VW-1 continued <br /> 10/14/98 -- 2900 000 -- -- ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/25/99 2819 000 — — ND<50 -- ND<D 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 25 <br /> 04/19/99 -- 2576 000 — — ND<50 - ND<O 50 ND<O 50 ND<O 50 ND<O 50 52 3 <br /> 07/15/99 — 2709 000 — — ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 10/25/99 — 2875 000 — — ND<50 — ND<0 50 ND<O 50 ND<O 50 ND<O 50 ND<2 5 ND<2 0 <br /> 01/27/00 — 2829 000 — — ND<50 — 095 ND<O 50 ND<O 50 063 10 46 <br /> 06/26/00 — 2547 000 — -- ND<50 0 — ND<O 500 113 ND<O 58d 128 ND<5 0 2.77 <br /> 09/22/00 1090 2743 000 -1653 — ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 87 69 <br /> 12126/00 1090 2743 000 -1653 000 ND<50 0 — Nnco$00 r13<0 50D ND O 500 NIKO 500 ND<5 0 ND<2 0 <br /> 03/07/01 1090 2718 000 -1628 025 ND<50 0 — NnaO 500 NDCO 50D ND-10 500 NOS*500 ND<5 0 ND<2 0 <br /> 06/26/01 1090 2806 000 -1716 -088 ND<50 — ND<O 50 ND<O 50 ND--'O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 09/12/01 1090 3001 000 -1911 -195 NDc50 — ND<O 50 ND<O 50 ND<0 50 Nl<O 50 ND<5 0 ND<2 0 <br /> 12112/01 1090 3032 000 -1942 -031 ND<50 — ND<O 50 ND<O 50 ND<0 50 ND<O 50 ND<5 0 ND<I 0 <br /> 03/20/02 1090 2910 000 -1820 122 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<O 50 ND<5 0 ND<2 0 <br /> 06/06/02 1090 2952 000 -1862 -042 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<10 — ND<2 0 <br /> 09/30/02 1090 3200 000 -2110 -248 -- 430 20 24 16 61 — ND<2 0 <br /> 12/30/02 1090 3154 000 -2064 046 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<10 - ND<2 0 <br /> 03/29/03 1090 3063 000 -1973 091 -- ND<50 ND<O 50 ND<O 50 ND<O 50 ND<10 ND<2 0 <br /> 06/25/03 1090 3089 000 -1999 -026 -- ND<50 ND<0 50 ND<0 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 09/24/03 1090 3327 000 -2237 -238 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 12/30/03 1090 3276 000 -2186 051 — NIK50 ND<O 50 ND<O 50 ND<O 50 ND<l 0 — ND<2 0 <br /> 03/09/04 1090 3195 000 -2095 091 — ND<50 ND<O 50 ND<O 50 ND<O 50 ND<1 0 — ND<2 0 <br /> 06/16/04 1090 3246 000 -2156 -0 61 — ND<50 N1:<0 50 NIKO 50 NIXO 50 ND<10 -- ND<O 50 <br /> 09/20/04 1090 39.29 000 -2839 -683 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<i 0 -- ND<O 50 <br /> seal Page 29 of 35 <br /> I <br />