American Association of Radon Scientists and Technologists:  AARST
American Lung Association  (ALA) Connecticut Chapter:  American Lung Association 
  • Test kits may also be purchased from The American Lung Association of NE by calling 1-800-LUNG-USA
US Environmental Protection Agency:
Radon Proficiency Programs-search for a nationally certified radon professional:
  • National Radon Proficiency Program AARST-NRPP
  • National Radon Safety Board NRSB

National Radon Program Services at Kansas State University (KSU): 

National Safety Council:  National Safety Council

Rutgers University Eastern Regional Radon Training Center: Rutgers University

U.S. Geological Survey: