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A 1 I 3 rj vy4J 1- }tII 7 I 5 I 30 January 2004 AGE-NC Project No 00-0769 t Page 5of7 - I , A 11 + HU-3 ` Ground water samples from"C',' wells, MW-4C through MW-9C, were collected from HU-3 f ' I I TPH-g was detected in all ground water samples except MW-8C and MW-9C at concentrations ranging from 130 }tg/L (MW-5C) to 1,200 µg/L (MW-4C) (Figure 9) , ' BTEX compounds were,detected in all ground water samples except MW-8C and MW-9C The , lowest and highest concentrations were found in MW-7C and MW-4C, ranging from 10 µg/L to 210 pg/L of benzene,7 2 gg/L to 190 gg/L oftoluene,3 0,}ig/L to 25 }ig/L of ethylbenzene and 112 ltg/L to 119 µg/L of total xylenes, respectively ` The fuel oxygenate 1,2-DCA was detected in HU-3 samples MW-4C and MW-5C at concentrations of 8 3 µg/L and 2 2'gL, respectively MTBE was detected in the sample from MW-4C at a concentration of 32 gg/L' f , HU-4 � I ' Ground water samples from"D" wells, MW-4D through MW-9D, were collected from HU-4 TPH-g was detected in all the samples collected, except MW-8D and MW-91) at concentrations ranging from 120 µg/L(MW-6D) to 9,400 µg/L (MW-7D) (Figure 10) " 1BTEX compounds "Were detected in all,samples except MW-8D and MW-91) at concentrations ranging'from 36 gg/L (MW-5D) to 1,400 µg/L (MW-4D) of benzene, 27 �g/L (MW-6D) to 840 �tg/L(MW-7D)oftoluene,3 7 ltg/L(MW-6D)to 150 gg/L (MW-7D)of ethylbenzene and 16 6µg/L ' (MW-6D) to 730 ag/L (MW-7D) of total xylenes ; The fuel oxygenates )1,2-DCA and MTBE were detected in the HU-4 sample from MW-4D at concentrations of 40µg/L and 100 gg/L,respectively 1,2 DCA was also detected m,the sample from r ? "MW-7D ata concentration of 23 lig/L rl f I v xd HU-5 I! I 1 � 41 I it I i ''f I Groundwater samples from"E"wells, MW-4E and,MW-SE, were collected from HU-5 r a I I 4 TPH-'g was detected in samples MW-4E and MW-5E at concentrations of 170 µg/L and 630 µg/L, respectively (Figure lA1) ' ' a I Advanced GeoEnvironmental,Inc ` ' I + , I I � 1 r S i 1