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! i i Table 1 CURRENT FLUID LEVELS AND SELECTED ANALYTICAL RESULTS March 24,2005 Former 76 Station 6981 Date TOC Depth to LPH Ground- Change to TPH-G TPPH Benzene Toluene Ethyl- Total MTBE MTBE Comments Sampled Elevation Water Thickness water Elevation 8260E benzene Xylenes 8021B 8260E Elevation (feet) (feet) (feet) (feet) (feet) (µg/1) W/1) (pg/1) (µg/1) (µg/1) (µg/1) (ug/1) (µg11) MW-1 (Screen Interval to feet 510-55 0) 03/24/05 1107 3343 000 -2236 141 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- 18 MW-2 (Screen Interval in feet 510-550) 03/24/05 11 56 3487 000 -23 31 140 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<l 0 ND<0 50 MW-4 (Screen Interval in feet 510-550) 03/24/05 1163 34 11 000 -2248 149 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 - ND<0 50 MW-5 (Screen Interval in feet 50 0-55 0) 03/24/05 1152 34 13 000 -2261 142 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<1 0 -- ND<0 50 MW-6 (Screen Interval in feet 49 0-69 0) 03/24/05 1143 3391 000 -2248 139 ND<50 -- ND<0 50 054 ND<0 50 ND<1 0 - ND<0 50 MW-7 (Screen Interval to feet 49 0-69 0) 03/24/05 1182 3469 000 -22 87 1 36 ND<50 -- ND<0 50 067 ND<0 50 ND<1 0 -- ND<0 50 MW-8 (Screen Interval to feet 49 0-69 0) 03/24/05 1038 3250 000 -22 12 141 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- ND<0 50 MW-9 (Screen Interval in feet 500-700) 03/24/05 1 l 76 34 10 000 -2234 140 ND<50 - ND<0 50 ND<0 50 ND<0 50 ND MW-11 (Screen Interval in feet 540-720) 03/24/05 1123 3444 000 -23 21 149 ND<50 -- ND<0 50 ND<O 50 ND<0 50 ND<l 0 ND<0 50 Bent casing,grab sample collected MW-14 (Screen Interval in feet 18 0-38 0) 03/24/05 1159 3459 000 -2300 135 ND<50 -- ND<0 50 ND<0 50 ND<0 50 ND<l 0 -- 053 MW-15 (Screen Interval in feet 18 0-38 0) 03/24/05 1137 34 75 000 -23 38 1 40 ND<50 -- ND<0 50 ND<O 50 ND<0 50 ND<1 0 -- 0 82 MW-16 (Screen Interval in feet 18 0-38 0) 03/24/05 1220 3500 000 -2280 1 35 120 18 ND<0 50 3 8 56 -- 18 6981 Page 1 of 2