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t f ' 23 December 2005 � AGE-NC Project No 95-0103 tPage 4 of 7 _ 29,000 micrograms per liter(µg/1)in EW-3 One or more BTEX compounds were detected ' in each of the ground water samples Maximum concentrations were as follows -15,000µg11 benzene (VE-1), 37 µg/l toluene (EW-1), 750 µg11 ethylbenzene (VW-6), and 1,340 µg11 ' total xylenes (VW-6) • TPH-g was not detected in the ground water samples from monitoring wells MW-2 and MW-4 ' MTBE was detected in one ground water sample, collected from well VE-1 at a concentration of 57 µg/1 ' Fuel additives 1,2-DCA and TAME were detected in samples from VE-1,VW-6,and MW-3 at maximum concentrations of 240 lig/l and 300 µg/1, respectively, in VE-1 DIPE was detected in samples from VE-1 and VW-6 at concentrations of 27 gg/1 and 11 pg/l, ' respectively • No other analytes of concern were detected in any of the ground water samples . 3 2 2 25 October 2005 • TPH-g was detected in eight ground water samples, at a maximum concentration of 16,000 pg/1 in EW-3 One or more BTEX compounds were detected in eight of the ground water samples Maximum concentrations were as follows 11,000 µg/1 benzene (VE-1), 36 µg/l toluene(EW-3), 640 µg/1 ethylbenzene(EW-3),and 701 4g/l total xylenes(EW-3) • TPH-g was not detected in the ground water samples from monitoring wells MW-2 and r MW-5 ' 0 MTBE was detected in ground water samples collected from MW-1, MW-3, VE-1, and VE-6, at a maximum concentration of 160 µg/1 in MW-3 Fuel additive 1,2-DCA was detected in samples from MW-1,MW-4,VE-1,EW-2,and EW- 3 at a maximum concentration of 54 gg/l in VE-1 TAME was detected in samples from MW-1, VE-1,VE-6, EW-2, and EW-3 at a maximum concentration of 75 µg/1 in VE-1 ' D1PE was detected in samples from VE-1 and EW-1, EW-2, and EW-3 at a maximum concentration of 34 }tg/l in EW-2 ' No other analytes of concerti were detected in any of the ground water samples Advanced GeoEnvironmental,Inc