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I23 December 2005 I AGE-NC Project No 00-0769 Page 6 of 8 3 2 4 Hydrogeologic Unit 4 r -4D through MW-9D were collected from HU-4 160 feet Ground water samples from D wells MW g to 175 feet bsg) TPH-g was detected in all ground water samples except MW-81) and MW-9D at concentrations ranging from 300 µg/1 (MW-5D)to 53,000 µg11 (MW-4D) (Figure 10) BTEX compounds were detected in all samples except MW-81) and MW-913, the maximum I concentrations were detected in sample MW-4C at 31,000 µg11 benzene, 15,000 µg/l toluene, 330 gg/l ethylbenzene and 2,070 µg11 total xylenes ' The fuel additives 1,2-DCA and TAME were detected in samples MW-4D and MW-6D, at maximum concentrations of 42 µg11 and 70 µg/l, respectively ' 3 2 5 Hydrogeologic Unit 5 Ground water samples from"E"wells MW-4E and MW-5E were collected from HU-5(193 feet to 198 feet bsg) TPH-g was detected at in the samples collected from wells MW-4E and MW-5E at concentrations of 6,500 µg/l and 290 µg/l, respectively (Figure 11) ' BTEX compounds were detected in wells MW-4E and MW-5E,the maximum concentrations were detected in sample MW-4E at 1,800 µg/l benzene, 2,700 µg/1 toluene, 91 µg/1 ethylbenzene and ' 490 µg/1 total xylenes n , The fuel additives 1,2-DCA and TAME were detected in' sample MW-4E at concentrations of 64 ' µg/l and 37 µg/l, respectively No other constituents of concern were detected at or above laboratory`reporting limits in the ground ' water samples collected during the third quarter sampling event Analytical results of ground water samples are summarized in Tables 2 and 3 The laboratory reports (CTEL Project No CT214- 0509061 and CT214-0509070), quality assurance/quality control (QA/QC) reports, and chain of A ' custody forms are provided in Appendix C Documents confirming the upload of laboratory electronic deliverable format (EDF) files and depth to water measurements to GeoTracker are included in Appendix D ' Advanced GeoEnvironmental,Inc 1' r h