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I V s = H f } I ! 1 � I t s t + , 07 January 2004 AGE-NC Project No 00-0769 ' Page 5 of 7 r r µg/L (MW-7C) to 44 µg/L(MW-4C) ethylbenzene and 7 7 pg/L (MW-6C) to 307 gg/L(MW-4C) , ' total xylenes The fuel'oxygenate 1,2-DCA was detected in HU-3 sample MW-4C at a concentration of 11 gg/L I HU-4 Ground water'samples from"D"wells, MW-4D through MW-9D, were collected from HU-4 " TiPH-g was detected In samples MW-4D,MW-5D and MW-6D at concentrations of 1,400µg/L,$30 F I µg/L and 490 gg/L, respectively(Figure 10) BTEX compounds were detected in all samples except MW-8D and MW-9D at concentrations ranging from,8 1 pg/L (MW-5D) to 680 µg/L (MW-4D) benzene, 5 4 µg/L(MW-7D) to'250 µg/L ' (MW-4D)toluene,2 2 gg/L(MW-7D)to 8 2 µg/L(MW-4D)ethylbenzene and 7 0 gg/L(MW-7D) to 42 µg/L (MW-5D) total xylenes ' The fuel oxygenate 1,2-DCA was detected In HU-4 samples MW-4D and MW-6D at concentrations of 61 µg/L and 2 4 Itg/L, respectively { HU-5 ' Ground water samples from "E"wells, MW-4E sand MW-5E, were collected from HU-5' S' ' TPH-g was detected In samples MW-4E and MW-5E at concentrations of 3,600 gg/L and 910 µg/L, ' respectively (Figure 11) F 1 1 1 1 I F 1l ' • I 1 ' BTEX compounds were detected in samples MW=4E and MW-5E at concentrations of,1,300 Pg/L and 11' µg/L benzene, 1,600 µg/L and'39 µg/L toluene, 210 µg/L and,15 µg/L ethylbenzene and - 1,540 ug/L and 99 �tg/L total xylenes, respectively I The fuelpxygenate 1,2-DCAwas detected In the HU-5 sample MW-4E at a concentration of 64µg/L < 1,! No other constituents of concern were detected above laboratory reporting limits in the water samples collected during the first quarter sampling' event Analytical results of ground water monitoring well samples are summarized In Tables 2 through 5 The laboratory reports (CTEL Project No CT214-0302134 and CT214-0302135) and chain-ofcustody forms are presented in Appendix C Advanced GeoEnvironmental,Inc 1 I 1 I I