Tracer Technology Group

National Projects

Perfluorocarbon gas tracers provide excellent benchmarks for testing atmospheric dispersion models. Most long-range experiments have been conducted under very controlled conditions (preselected meteorological conditions), leading to the question of how that might be biasing the statistical evaluation of the dispersion models. This problem was addressed in the Across North America Tracer Experiment (ANATEX) in which two different inert perfluorocyclohexane gases (PTCH and oPDCH) were released for three hours from two different locations, Glasgow, Montana (GGW - 48.4N, 106.5W) and St. Cloud, Minnesota (STC - 45.6N, 94.2W) every 2 days with about 75 samplers located at weather stations over the whole eastern half of the U.S. The experiment last three months, from January 5th through March 29th of 1987. more... 

Last Modified: May 14, 2008
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One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE’s Office of Science by Brookhaven Science Associates, a limited-liability company founded by Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

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