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Chemical Analytical Methods and Results Nine groundwater samples were analyzed using EPA Methods 503018015, 602 and 8260 f or Total Petroleum Hydrocarbons as Gasoline (TPHG), Benzene, Toluene, EthyEbenzene and Xylene (BTEX) and fuel oxygenates including Methyl-tert-butyl-ether (MTBE) The analytical results of the groundwater samples are attached and listed with historic data below (see Table 2), Table 2 Groundwater Chemical Data Well Date TPHG Benzene Toluene Ethylbenzene Xylene Fuel Ox NoSampled ----------------------------- u g/I ------------------------------- MW-1 3128196 NO NO ND ND ND NA MW-1 6/27/96 280 0 7 0 6 2 4 91 NA MW-1 12/19/96 NO NO ND ND ND ND MW-1 3/10/97 ND NO ND ND ND ND MW-1 6/30197 NO ND ND NO ND NO MW-1 8120197 NO ND NO ND NO ND MW-1 12/12/97 ND ND NO ND ND NO MW-1 3/31198 150 16 9 5 5 3 36 ND MW-1 6/30/98 ND ND ND ND ND ND MW-1 9/29/98 ND NO ND ND ND ND MW-1 1/14/99 NO ND ND ND ND NO MW-1 4/29/99 ND NO 1 1 NO 1 6 ND . MW-2 3/28/96 12,000 80 50 7 7 20 NA MW-2 6/27196 4,900 72 4 8 21 25 NA MW-2 12/19/96 4,400 99 8 6 25 26 ND MW-2 3/10/97 4,000 5 5 21 13 12 ND MW-2 6/30/97 3,500 39 1 3 11 15 ND MW-2 8/20/97 4,700 1 1 05 10 17 ND MW-2 12/12/97 760 63 38 1 1 0 180 ND MW-2 3/31198 3,600 20 11 340 270 NO MW-2 6/30/98 3,900 56 20 220 200 ND MW-2 9/29/98 1,400 20 8 4 50 33 ND MW-2 1/14/99 1,900 22 11 86 47 ND MW-2 4/29/99 2,100 180 240 120 480 19@ MW-3 3/28/96 2,500 21 12 12 24 NA MW-3 6/27/96 3,100 13 7 0 87 19 NA MW-3 12/19/96 2,900 12 8 4 81 16 NO MW-3 3/10197 1,500 10 39 50 91 ND MW-3 6/30/97 970 2 7 0 6 4 2 62 NO MW-3 8/20/97 1,000 35 1 4 31 45 ND MW-3 12/12/97 350 33 42 48 170 ND MW-3 3/31/98 470 22 150 13 39 ND MW-3 6130198 490 110 11 31 69 NO MW-3 9/29/98 280 65 58 14 20 NO MW-3 6/14199 440 110 13 31 53 ND MW-3 4129/99 640 59 100 30 120 NO Page 5