Frequent Questions about RadNet
View frequently asked questions about the RadNet monitoring network by topic.
- About RadNet
- Near-Real-Time Air Monitoring
- Air Filter Testing
- Precipitation Testing
- Drinking Water Testing
- Where are RadNet monitoring locations?
- How does the EPA monitor the air for radiation?
- What is RadNet?
- How did the EPA decide where to install fixed air monitors?
- What units does EPA use to report laboratory analysis results (drinking water, air filter and precipitation)?
- Where can I view RadNet monitoring data and sampling analysis/laboratory results?
Near-Real-Time Air Monitoring
- What do the different gamma channel ranges illustrate? What does each range represent?
- How often are RadNet’s near-real-time air monitoring data updated on the EPA website?
- Why do I see higher levels of radiation at some monitor locations?
- What happens if air monitors report radiation levels outside of normal background levels?
- What is a normal background exposure rate?
- How does gamma gross count rate relate to exposure rate?
- When will my RadNet station get exposure rate measurement capability?
- What is gamma gross count rate?
- Why are there fluctuations in near-real-time air data at a single monitoring location?
- Why aren't the results for my location up to date? Why are there gaps in data?
- Why did the EPA decide to add exposure rate measurement capability?
- What is the relationship between exposure rate and dose rate?
- What federal, state, or local standards exist that address radiation in precipitation?
- How does precipitation affect radiation levels in the environment?
- How does the EPA sample precipitation for radionuclides?
- Where can I find the analytical results from precipitation samples?
- Why does the EPA test precipitation for radionuclides?
Drinking Water Testing
- How does the EPA sample drinking water for radionuclides?
- Where can I find the analytical results from drinking water samples?
- Where can I find more information about radionuclides in drinking water?
- Why does the EPA test drinking water for radionuclides?
- What federal standards exist that address radiation in drinking water?