As radiation from Japan approaches the US, the EPA monitoring network is getting attention
“The U.S. Environmental Protection Agency established RadNet (previously known as ERAMS) by consolidating a number of existing radiation monitoring networks. The RadNet program was initially responsible for monitoring radiation associated with nuclear weapons testing, but the program was later expanded to include monitoring radiation emergencies, following trends in environmental radioactivity levels, and providing data for dose calculations. During the years since it began, RadNet has developed an important environmental radiation database containing almost thirty years of data. These data have been accessed and studied to provide information about releases of radioactivity to the environment, from weapons tests and nuclear accidents to natural releases such as fires around a DOE site.”
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