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^�7 V b ..•'3 ° . `i -a s, .,,.6:"-••7 rh—xy J <br /> ^J <br /> vt <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/l <br /> MW-1 3/28/96 NO NO NO NO NO NA <br /> MW-1 6127196 280 0 7 06 2 4 91 NA <br /> MW-1 12/19/96 NO NO NO NO NO NO <br /> MW-1 3110197 NO NO NO NO NO NO <br /> MW-1 6/30197 NO NO NO NO NO ND <br /> MW-1 8120197 NO NO NO ND ND NO <br /> MW-1 12/12/97 NO NO NO NO NO NO <br /> MW-1 3131198 150 16 95 5 3 36 NO <br /> MW-1 6130198 NO NO NO NO NO NO <br /> MW-1 9129198 NO ND NO NO NO NO <br /> MW-1 1/14/99 NO NO NO NO NO NO <br /> MW-2 3/28/96 12,000 8 0 50 7 7 20 NA <br /> MW-2 6/27196 4,900 7 2 4 8 21 25 NA <br /> MW-2 12/19/96 4,400 9 9 86 25 26 NO <br /> MW-2 3/10197 4,000 55 21 13 12 NO <br /> MW-2 6/30/97 3,500 39 13 11 15 NO <br /> MW-2 8/20197 4,700 1 1 05 10 17 NO <br /> MW-2 12/12/97 760 63 38 110 180 NO <br /> MW-2 3/31198 3,600 20 11 340 270 NO <br /> MW-2 6/30198 3,900 56 20 220 200 NO <br /> MW-2 9/29198 1,400 20 84 50 33 NO <br /> MW-2 1114199 1,900 22 11 86 47 NO <br /> MW-3 3/28196 2,500 21 12 12 24 NA <br /> MW-3 6/27/96 3,100 13 7 0 8 7 19 NA <br /> MW-3 12/19/96 2,900 12 84 81 16 NO <br /> MW-3 3/10197 1,500 10 39 5 0 91 NO <br /> MW-3 6/30197 970 27 0 6 4 2 62 NO <br /> MW-3 8/20197 1,000 35 14 31 4 5 ND <br /> MW-3 12/12/97 350 33 42 48 170 NO <br /> MW-3 3/31/98 470 22 150 13 39 NO <br /> MW-3 6130198 — 490 110 --11 31 69 ND -- - <br /> MW-3 9129198 280 65 58 14 20 NO <br /> MW-3 1114199 440 110 13 31 53 NO <br />