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c <br /> Chemical Analytical Methods and Results <br /> • Nine groundwater samples were analyzed using EPA Methods 503018015, 602 and 8260 for Total <br /> Petroleum Hydrocarbons as Gasoline (TPHG), Benzene, Toluene, Ethylbenzene and Xylene (BTEX) and <br /> fuel oxygenates including Methyl-tert-butyl-ether (MTBE) The analytical results of the groundwater <br /> samples are attached and listed with historic data below (see Table 2), <br /> Table 2 Groundwater Chemical Data <br /> Well Date TPHG Benzene Toluene Ethylbenzene Xylene Fuel Ox <br /> No Sampled ug/I <br /> MW-1 3/28/96 ND NO ND ND ND NA <br /> MW-11 6127/96 280 0 7 0 6 24 91 NA <br /> MW-1 12/19/96 ND ND ND ND ND NO <br /> MW-1 3110/97 NO ND ND ND ND NO <br /> MW-1 6/30/97 ND ND ND ND ND ND <br /> MW-1 8/20197 NO NO ND ND ND ND <br /> MW-1 12/12/97 ND ND NO NO ND NO <br /> MW-1 3/31198 150 16 9 5 53 36 ND <br /> MW-11 6/30/98 ND ND ND ND NO ND <br /> MW-1 9/29/98 ND ND ND ND ND NO <br /> MW-2 3/28/96 12,000 8 0 5 0 7 7 20 NA <br /> MW-2 6/27/96 4,900 7 2 4 8 21 25 NA <br /> MW-2 12/19/96 4,400 99 8 6 25 26 ND <br /> MW-2 3/10/97 4,000 5 5 2 1 13 12 ND <br /> MW-2 6/30/97 3,500 3 9 1 3 11 15 NO <br /> MW-2 8/20/97 4,700 1 1 05 10 17 NO <br /> MW-2 12/12/97 760 63 38 110 180 ND <br /> MW-2 3/31/98 3,600 20 11 340 270 ND <br /> MW-2 6/30/98 3,900 56 20 220 200 NO <br /> MW-2 9/29/98 1,400 20 84 50 33 ND <br /> MW-3 3128196 2 500 21 12 12 24 NA <br /> MW-3 6/27/96 3,100 13 7 0 87 19 NA <br /> MW-3 12/19/96 2,900 12 8 4 81 16 NO <br /> MW-3 3110197 1,500 10 3 9 50 9 1 ND <br /> MW-3 6/30/97 970 2 7 06 42 62 ND <br /> MW-3 8/20/97 1,000 35 14 31 4 5 NO <br /> MW-3 12/12/97 350 33 42 48 170 ND <br /> MW-3 3131198 470 22 150 13 39 ND <br /> MW-3 6/30/98 490 110 11 31 69 NO <br /> MW-3 9129198 280 65 58 14 20 ND <br /> Page 4 <br />