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Post-Doctoral Position Chemical Physicist/Physical Chemist with experience in the use of laser-based spectroscopic methods for measurement of gaseous species. The candidate will work in an applied program that couples Resonantly Enhanced Multi-Photon Ionization (REMPI) with time-of-flight mass spectrometry (TOFMS). The candidate will work with the leading international groups developing the REMPI analytical method and designing and building an instrument for use at the US Environmental Protection Agency (EPA). Candidate will apply this REMPI instrument for detection of trace halogenated air toxics as part of a comprehensive program at the EPA's combustion research facility in Research Triangle Park, NC, investigating the formation mechanisms of these pollutants. The deadline for the EPA post-doc program is May 28, 1999, and is only open to US citizens. Salary is $48,000/year. More information can be obtained at: http://www.epa.gov/ORD/NRMRL/nrmrlpost.html A second position is available in the DoE sponsored (ORISE) for EPA, and is open to both US citizens and foreign nationals (here the deadline is flexible). Again the salary is $48,000/year. Information on this program can be obtained by contacting: Postgraduate Research Program/NRMRL/APPCD (position NRMRL 98-2) Att: Pat Pressly, Science and Engineering Education Oak Ridge Institute for Science and Education PO Box 117, Mail Stop 36 Oak Ridge, TN 37831-0117 (423)576-5654, fax: (423)241-5220, email:[log in to unmask] For both positions, the candidate must have completed the doctoral degree prior to employment; although, the candidate may apply before the degree is awarded. It would be optimal for the post-doctoral candidate to begin work September/October, 1999, although later arrivals would also suffice. This timing will allow the candidate to work with the REMPI developer as they put together the instrument, allowing the candidate to better understand how the REMPI/TOFMS system works. Background The U.S. EPA's Office of Research and Development, National Risk Management Research Laboratory (Research Triangle Park, NC) conducts research on formation mechanisms, quantification methods, and prevention of hazardous air pollutants, particularly halogenated organics such as chlorinated dibenzodioxins/dibenzofurans, biphenyls, and napthalenes. Recently, NRMRL has been awarded a grant to study the application of REMPI/TOFMS techniques toward development of a real time "dioxin" monitor. This grant program, combined with a DOE-funded program to develop the instrumental science behind REMPI/TOFMS, constitutes a large federally-funded effort whose goal is to develop this method of hazardous air pollutant detection for source characterization, understanding of pollutant formation mechanisms, and pollution prevention. As part of this program, a REMPI/TOFMS system will be built for use at EPA's combustion research facility. The post-doctoral laser spectroscopist is necessary to operate the REMPI/TOFMS system and develop its application for trace halogen detection. Candidate will work with a team of researchers investigating hazardous air pollutant formation on in-house facilities including waste combustors, industrial boilers, solid fuel combustors, rotary kilns, and laboratory reactors. Information Further information can be obtained by contacting Dr. Brian Gullett, (919)541-1534, [log in to unmask] Brian K. Gullett, Ph.D. U.S. Environmental Protection Agency National Risk Management Research Laboratory Air Pollution Technology Branch (MD-65) Research Triangle Park, NC 27711 [log in to unmask] XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Jay B. Jeffries Molecular Physics Laboratory SRI International 333 Ravenswood Ave. Menlo Park, CA 94025 voice 650-859-6341 fax 650-859-6196 [log in to unmask]