Read or download this US government comprehensive resource on conducting radiation surveys and investigations at potentially contaminated sites.

Information about past releases and dispersion of radionuclides in the biosphere.

The Radiation Safety Information Computational Center (RSICC) is a Specialized Information Analysis Center (SIAC) authorized to collect, analyze, maintain, and distribute computer software and data sets in the areas of radiation transport and safety.

Simple to understand and user-friendly introduction to basic radiation concepts and health risk assessments.

Discussion, study materials, and employment information for workers in the nuclear power industry, primarily geared towards Health Physics Technician / Radiological Control Technicians (RCT).

Canadian Radiobiologist, Dr. Ron Mitchel, describes the latest scientific research showing how low doses of radiation can prevent cancer and birth defects.

Private, nonprofit Japanese foundation, supported by the U.S. and Japan governments, that conducts research and studies on the effects of radiation exposure on humans with a view toward contributing to the maintenance of the health and welfare of atomic-bomb survivors and to the enhancement of the health of all people. Laboratories in Hiroshima and Nagasaki.

Provides resources, training information, faqs and online safety manual.

Features maps which show general trends in the amount of solar radiation received in the United States and its territories. Viewable by data type, by month, or by instrument orientation.

Journal of the Health Physics Society. Provides abstracts and information about online subscription, services and author submission materials.