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E MPDS UN6981 12 August 21 1996 Page 6of14 • Table 2 Summary of Laboratory Analyses Water Ground Water Ekvadon TPP as Ethyl- well# Date (feet) Gasalme Benzene Toluene Benzene Xylenes MTBE MW-4 7/24/96 -2692 <50 <05 <05 <05 <05 60 4/25/96 -2661 SAMPLED SEMI-ANNUALLY 1/25/96§ -31 19 <50 14 <05 <05 <0 5 -- 10/25-26195 -3404 SAMPLED SEMI-ANNUALLY 7/27/95 -33 19 130 1 5 1 7 <0 5 2 1 -- 4/26-27/95 250 24 071 <05 1 5 -- 1/25-26/95 240 24 <05 <0 5 094 -- 10/26-27194 650 20 22 <1 0 46 -- 7/25-26/94 850 74 24 <0 5 6 1 -- 4/25-26/94 2,200 200 50 <10 72 -- 1/17-18/94 3,800 160 47 23 110 -- 10/20/93 3,600• 490 <20 <20 <20 -- 7/26/93 5,700 800 16 22 < 12 5 -- 4/26/93 11,000 1,400 <50 <50 <50 -- 1/13/93 WELL WAS DRY 10/21-22/92 WELL WAS DRY 7/30/92 WELL WAS DRY 4/16/92 WELL WAS DRY 11/14/91 WELL WAS DRY 9/30/91 WELL WAS DRY 7/18/91 WELL WAS DRY 4/2/91 WELL WAS DRY 1/28/91 WELL WAS DRY 12/27/90 WELL WAS DRY 11/19/90 WELL WAS DRY 10/18/90 WELL WAS DRY 2/21/90 2,600 27 10 1 2 15 -- MW-5 7/24/96 -2692 <50 <0 5 <05 <0 5 <0 5 69 [691# 4/25/96 -2655 SAMPLED SEMI-ANNUALLY 1/25/96§ -3135 86 69 0 85 <0 5 084 -- 10/25-26/95 -34 16 SAMPLED SEMI-ANNUALLY 7/27/95 -33 27 150 21 24 <1 0 1 9 -- 4/26-27/95 2,900 650 12 23 16 -- 1/25-26/95 5,000 3,700 27 <0 5 44 -- 10/26-27/94 13,000 10,000 790 <20 270 -- 7/25-26/94 NOT SAMPLED -CONSTRUCTION BEGAN AFTER MONITORING 4/25-26/94 16,000 12,000 92 31 70 -- 1/17-18/94 23,000 13,000 100 <50 75 -- 10/20/93 21,000 15,000 120 <50 68 -- 7/26/93 43,000 19,000 240 <125 <125 -- 4/26/93 60,000 28,000 <250 <250 <250 -- 1/13/93 WELL WAS DRY 10/21-22/92 WELL WAS DRY