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Professional Association

The American Association of Radon Scientists and Technologists (AARST) is a nonprofit, professional organization whose members are dedicated to the highest standard of excellence and ethical performance of radon measurement, radon mitigation and transfer of radon information for the benefit of members, consumers and the public at large. Learn More

Become An AARST Member

Service professionals, scientists, researchers and public officials have all joined forces with the shared goal of reducing radon and saving lives.

Certifications and Services

The National Radon Proficiency Program (NRPP) is recognized as the nation’s leading certification program for radon professionals. NRPP Certification is an ongoing effort that requires bi-annual documentation of competence, expertise and performance to demonstrate skill, knowledge and professionalism. Always hire an NRPP Certified Radon Measurement or Mitigation Professional... Learn More.

Find an NRPP Certified Pro

Currently, NRPP has nearly 3000 certified professionals qualified in measurement, mitigation, and as radon laboratories.