Apr 6, 2012

Analysis of Cancer Risks in Populations near Nuclear Facilities

The question of whether there are cancer risks associated with living near a nuclear facility is of great interest to the public, especially those living closest to the facilities. Airborne and waterborne emissions of radioactive materials from the facilities’ normal operations (called effluents) can expose nearby populations to ionizing radiation, which could elevate the risk of cancer in the exposed populations. The first phase of a two-phase project, this report identifies scientific approaches for carrying out an assessment of cancer risks for populations near the 104 nuclear reactors and 13 fuel cycle facilities that the U.S. Nuclear Regulatory Commission licenses across the United States, as well as for people who have lived close to former sites.
Studies of health effects in populations (epidemiologic studies) could provide clues for a potential association between living near nuclear power plants and other nuclear facilities and risk of cancer. However, such studies are challenging because of incomplete data on occurrences of cancer and cancer deaths in geographic areas of interest (i.e., smaller than the county level), incomplete information on radioactive releases from nuclear facilities during early years of operation, and other factors. Moreover, because radioactive releases are generally low, any risks would be expected to be small and difficult to detect with statistical certainty. This report identifies two health study designs deemed suitable for assessing cancer risks in populations near nuclear facilities, having both scientific merit and the ability to address some public concerns. A pilot study would be needed to determine whether either or both of the two recommended study designs are feasible to implement on a large scale and to assess the required time and resources. Communicating with and involving the public and other stakeholders is an essential element in the study process.

The question of whether there are cancer risks associated with living near a nuclear facility is of great interest to the public, especially those living closest to the facilities. Airborne and waterborne emissions of radioactive materials from the facilities’ normal operations (called effluents) can expose nearby populations to ionizing radiation, which could elevate the risk of cancer in the exposed populations. The first phase of a two-phase project, this report identifies scientific approaches for carrying out an assessment of cancer risks for populations near the 104 nuclear reactors and 13 fuel cycle facilities that the U.S. Nuclear Regulatory Commission licenses across the United States, as well as for people who have lived close to former sites. 

Studies of health effects in populations (epidemiologic studies) could provide clues for a potential association between living near nuclear power plants and other nuclear facilities and risk of cancer. However, such studies are challenging because of incomplete data on occurrences of cancer and cancer deaths in geographic areas of interest (i.e., smaller than the county level), incomplete information on radioactive releases from nuclear facilities during early years of operation, and other factors. Moreover, because radioactive releases are generally low, any risks would be expected to be small and difficult to detect with statistical certainty. This report identifies two health study designs deemed suitable for assessing cancer risks in populations near nuclear facilities, having both scientific merit and the ability to address some public concerns. A pilot study would be needed to determine whether either or both of the two recommended study designs are feasible to implement on a large scale and to assess the required time and resources. Communicating with and involving the public and other stakeholders is an essential element in the study process.

Please read more from source:
http://www.scribd.com/doc/87204515/Analysis-of-Cancer-Risks-in-Populations-near-Nuclear-Facilities