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Accession Number PB2013-104879
Title Toxicological Profile for Radon.
Publication Date May 2012
Media Count 283p
Personal Author N/A
Abstract This public health statement tells you about radon and the effects of exposure to it. The Environmental Protection Agency (EPA) identifies the most serious hazardous waste sites in the nation. These sites are then placed on the National Priorities List (NPL) and are targeted for long-term federal clean-up activities. The presence of radon at any site could be a consequence of its natural occurrence in the environment; its production from substances in anthropogenic hazardous waste; or both. These sites may be sources of exposure and exposure to this substance may be harmful. When a substance is released from a large area, such as an industrial plant, or from a container, such as a drum or bottle, it enters the environment. This release does not always lead to exposure. You are exposed to a substance when you come in contact with it. You may be exposed by breathing, eating, or drinking the substance, or by skin contact. External exposure to radiation may occur from natural or man-made sources. Radon is a naturally-occurring radioactive gas that changes into other radioactive substances, called progeny. Since radon and its progeny are present together in rock, soil, water, air, and construction materials, you will be exposed to the low-level radiation they give off just by being near them. Naturally occurring sources of radiation include radon and other radioactive elements in air, water, soil, or building materials, as well as cosmic radiation from space. Man-made radioactive materials are found in consumer products, industrial equipment, nuclear medicine patients, and to a smaller extent from atomic bomb fallout, hospital waste, and nuclear reactors. The results of the 1992 EPA National Residential Radon Survey estimated that 1 in 15 homes had an elevated radon level (i.e., a level at or above the EPA action level of 4 picocuries per liter of air). At the time, an estimated 5.8 million homes had an elevated radon level. The source of radon in homes is from naturally occurring (geologic) sources.
Keywords Biological markers
Carcinogenicity tests
CAS No. 14835-02-0
CAS No. 14859-67-7
CAS No. 22481-48-7
Environmental exposure pathway
Environmental pollutants
Immune system
Mutagenicity tests
Nervous system
Occupational exposure
Public health

Source Agency Department H.E.W. Office of Toxic Substance and Disease
NTIS Subject Category 68G - Environmental Health & Safety
57U - Public Health & Industrial Medicine
57Y - Toxicology
57V - Radiobiology
Corporate Author Agency for Toxic Substances and Disease Registry, Atlanta, GA.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1315
Contract Number N/A

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