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I n <br /> 30 November 2005 <br /> AGE-NC Project No 00-6769, <br />' Page 6 of 8 <br /> , <br /> h <br />' BTEX compounds were detected in all'samples except MW-8D and MW-9D at concentrations <br /> ranging from 24,000 µg/l (MW-4D)to 38 µg/l (MW-7D) benzene, 5,500 µg/l (MW-4D)to 21 µg/l " <br /> (MW-7D)toluene,300 41(MW-4D)to 18 µg/l(MW-5D)ethylbenzene,and 2,400 gg/l(MW-4D) <br /> 'to 40 µg/l (MW-7D) total xylenes <br /> The fuel additive 1,2-DCA was detected in samples collected from MW-4D and MW-61), at <br /> concentrations of 410 µg/1 and 9 6 µg/l,respectively TAME was detected in MW-413 and MW-6D a' <br />' at concentrations of 240 gg/l and 6 3 µg/1, respectively <br /> 3 2 5 Hydrogeologic Unit 5 , <br /> a s, <br />' Ground water samples from"E"wells MW-4E and MW-5E were collected from HU-5 (193,feet to <br /> 19,8 feet bsg) <br />' TPH-g was detected at in the samples collected from wells MW-4E and MW-5E at concentrations <br /> of 2,600 µg11 and 1,000 pg/l, respectively (Figure 11) <br /> BTEX compounds were detected in wells MW-4E and MW-5E at maximum concentrations of <br /> 430 µg/1 benzene (MW-4E), 310 µg/l toluene (MW-4E), 46 gg/l ethylbenzene (MW-4E) and <br /> 277 gg/l total xylenes (MW-4E) <br /> F t <br /> The fuel additive 1,2-DCA was detected in samples collected from MW-4E and MW-5E at <br />' maximum concentrations of 16 gg/l(MW4E) TAME was detected in MW-4E at a concentration J <br /> of 9 0 µg/l <br /> No other constituents of concern were detected at or above laboratory reporting limits in the ground ; <br /> water samples collected during the second quarter sampling event Analytical results of ground water <br /> `samples are summarized in Tables 2 and 3 The laboratory reports (CTEL Project No CT214- <br /> 0505209 and CT214-0505195), quality assurance/quality control (QA/QC) reports, and chain of <br />' custody forms are provided in Appendix C Documents confirming the upload of laboratory <br /> electronic deliverable format (EDF) files and depth to water 'measurements to GeoTracker are ` <br />' included in Appendix D <br />' 4.0. SUMMARY AND CONCLUSIONS <br /> c k <br /> ' 4 � <br /> Based on data collected during the May 2005 ground water monitoring event, AGE concludes <br /> 1 ` <br /> • During the May'2005 monitoring event,ground water elevation at the site ranged from 12 52 <br /> , <br />' Advanced GeoEnvironmental,Inc <br /> f <br />