What is RadNet?
The nationwide RadNet system monitors the nation’s air, drinking water, precipitation, and pasteurized milk to determine levels of radiation in the environment. RadNet sample analyses and monitoring results provide baseline data on background levels of radiation in the environment and can detect increased radiation from radiological incidents.
On this Site
- About RadNet
Read about how RadNet gathers and processes data and learn about its history.
- All RadNet Data
Find links to near-real-time air monitoring data, sample analysis results, and data summaries.
- Monitoring Radiological Incidents
Learn how RadNet and its predecessor systems have established a baseline of environmental radiation and responded to incidents.
- Frequent Questions
Find answers to questions about RadNet monitoring and radiation in the environment
- A to Z Index
Find all pages by title.
Right: A RadNet monitor operator prepares to collect the air filter from a fixed air monitor and send it to EPA's National Analytical Radiation Environmental Laboratory (NAREL)for analysis.
Just Added Data
- Where can I find information on radiation screening of imports?
- How do I know my food is safe?
- How does EPA decide where to set up air monitors and take samples?
- How does EPA use RadNet data?
Members of the Public
Members of the Press
More Radiation-Related Information
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