Mr. Thomas has had specific training in health physics and internal dosimetry concepts and calculation techniques. Currently he is a research engineer at SENES Oak Ridge, Inc. having responsibilities in the areas of dosimetry, risk assessment, uncertainty analysis, and model development. Mr. Thomas has more than 10 years experience in performing quantitative uncertainty analyses.
Mr. Thomas is currently working with the National Cancer Institute (NCI) to update the 1985 Radioepidemiological Tables. This project involves the development of the Interactive RadioEpidemiological Program (known as IREP) to be used by the Department of Veteran Affairs to determine eligibility for compensation from military exposures to radionuclides. Mr. Thomas was responsible for writing the web-based computer code to be used by the National Institute of Occupational Safety and Health (NIOSH) and the Department of Labor (DOL) to be used in conjunction with the Energy Employees Occupational Illness Compensation Program Act of 2000. This computer code, NIOSH-IREP, will determine whether a sick nuclear worker would be eligible for compensation.
Mr. Thomas is also providing support to the University of Utah to assist in the reconstruction of the models and assumptions used to calculate individual thyroid doses in the "Cohort Study of Thyroid Disease and Radioactive Fallout from the Nevada Test Site. The entire calculation will be reprogrammed, based on the intent of the authors of the study.
Mr. Thomas was involved in a project with Lawrence Berkeley National Laboratory (LBNL) dealing with concerns over tritium releases to the atmosphere from the National Tritium Labeling Facility. Mr. Thomas was involved in modelling atmospheric releases at the LBNL site using the CALPUFF modeling system.
He participated in the Oak Ridge Dose Reconstruction Project, a large-scale project dealing with health risk and radiation dose estimation for members of the public exposed to historical releases of radionuclides from the Oak Ridge Reservation (ORR) at Oak Ridge, Tennessee. In this project, his responsibilities included the development of user-friendly models to quantify the uncertainties in the dose and risk estimates. Mr. Thomas performed quantitative uncertainty analyses for the Lower Watts Bar Reservoir in Oak Ridge, Tennessee; the Clinch River/Poplar Creek systems in Oak Ridge, Tennessee; and the Columbia River in Washington State.
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E-mail Mr. Thomas at: firstname.lastname@example.org