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0 0 Table 1 CURRENT FLUID LEVELS AND SELECTED ANALYTICAL RESULTS September 20,2004 Former 76 Station 6981. Date TOC Depth to LPH Ground- Change in TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water Elevation 8260B benzene Xylenes 8021B 8260B Elevation (feet) (feet) (feet) (feet) (feet) (µ8l1) (µg/I) (µ91l) (µ9/1) (µgn) (µg11) (119/1) {µ81l) MW-1 (Screen Interval in feet 51.0-550) 09/20/04 1107 3537 000 -2430 -280 ND<50 — ND<O 50 ND<150 ND<O 50 ND<l 0 -- ND<O 50 MW-2 (Screen Interval in feet 51.0-55.0) 09/20/04 1156 36 93 0 00 -2537 -292 83 -- 44 ND<O 50 ND<O 50 ND<1 0 -- 063 MW4 (Screen Interval in feet 510-55.0) 09/20/04 1163 3612 000 -2449 -286 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 i MW-5 (Screen Interval in feet 500-550) 09/20/04 1152 3614 000 -2462 -287 ND<50 -- ND<O 50 ND<O 50 ND<O 50 ND<l 0 -- ND<O 50 MW-6 (Screen Interval in feet.49 0-69 0) 09/20/04 1143 3593 000 -2450 -287 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<l 0 — ND<O 50 I MW-7 (Screen Interval In feet.49 0.69 0) 09/20/04 1182 3672 000 -2490 -295 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<10 -- ND<O 50 MW-8 (Screen Interval in feet 49 0-69 0) 09/20/04 1038 3442 000 -2404 -275 ND<50 — ND<O 50 ND<O 50 ND<O 50 ND<10 — ND<O 50 MW-9 (Screen Interval in feet:50 0-70 0) 09/20/04 1176 3608 000 -2432 -287 ND<50 — ND<0.50 ND<O 50 ND<O 50 ND<1 0 -- 18 MW-1 l (Screen Interval 1n feet:54 0-72 0) 09/20/04 1123 3671 000 -2548 -304 -- -- -- — -- -- -- unable to sample casing bent MW-14 (Screen Interval to feet:18.0-38 0) 09/20/04 1159 — -- -- — -- -- -- — — — -- — Dry well MW-15 (Screen Interval In feet. 18 0-38.0) 09/20/04 1137 — — — -- -- -- -- -- -- — -- -- Dry well MW-16 (Screen Interval In feet 18 0-38.0) 09/20/04 1220 -- — — -- -- -- -- -- — — -- -- Dry well PT'W-1 (Screen Interval in feet 52 5-725) awl Page 1 of 2