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Monitoring the dispersal of contaminants by wildlife at nuclear weapons production and waste storage facilities
Authors:Michael L Morrison  K Shawn Smallwood  Jan Beyea
Institution:(1) Department of Biological Sciences, California State University, Sacramento, CA 95819, USA
Abstract:Professor of wildlife biology in the department of biological sciences, California State University. Dr K. Shawn Smallwood is a systems ecologist and may be contacted at 109 Luz Place, Davis, CA 95616, USA. Dr Jan Beyea is a physical scientist with Consulting in the Public Interest, 53 Clinton Street, Lambertville, NJ 08530, USA. The US Government produced and acquired approximately 111 t of plutonium in support of its nuclear weapons programme. Verified reports of the loss of nuclear material into the environment, including loss by animals, has raised questions regarding the monitoring programmes in place on the nuclear facilities. Given these concerns regarding the fate of stored nuclear waste, the authors conducted a review of the wildlife monitoring programme used at nuclear weapons and storage facilities by (1) reviewing the key facets of the monitoring used at the facilities, (2) evaluating published and unpublished data from the facilities and (3) incorporating data from personal site visits. The study concentrated on the Department of Energy's Hanford Reservation in rural south–central Washington and the Rocky Flats Plant in central Colorado. Based on the review, it is concluded that an improved and rigorous environmental surveillance and monitoring programme is needed at both locations. The site surveys identified frequent instances of intrusion into burial sites by animals, most of which had gone unreported by Hanford and Rocky Flats personnel. It was apparent that a significant source of potential contamination was not being adequately monitored at the nuclear waste sites. It is recommended that the development of a systematic, well-planned programme of monitoring animal intrusion on burial sites be considered, coupled with improved training for responsible personnel.
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