International and Other Federal Government Environmental Radiation Monitoring Networks

You will find links below to other federal and international government environmental radiation monitoring networks. The data provided on these websites is not validated or verified by EPA. 

The following links exit the site

Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) 
CTBTO has a network of radionuclide monitoring stations across the world that detect radionuclide particles and noble gases like xenon.

Canadian Monitoring System
Canada's Fixed Point Surveillance (FPS) network monitors public doses from radioactive materials in air.

SURFRAD Network (National Ocean and Atmospheric Administration - NOAA)
The SURFRAD Network monitors surface radiation at eight locations in the continental United States.

EPR Information Exchange
The IAEA website provides information for the EPR Information Management System (EPRIMS) and the International Radiation Monitoring Information System (IRMIS).