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Radon Professional
Become a Certified Professional

NRSB provides certification for Measurement, Mitigation
and Laboratory & Chamber Accreditation

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All NRSB Approved CE courses
Continuing Education Credits

Find all the CE courses approved by NRSB

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Looking for a Certified professional?
Search for Certified Professionals

You can search our database
for NRSB certified professionals in your area.

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Certifying radon professionals for over 20 years!

NRSB certification is formal recognition of professional excellence based on qualifications, high ethical standards, and continuing education in radon services.

In today’s competitive environment, industry training providers and industry professionals need to be recognized for their knowledge and expertise.

We believe that the quality of the nation’s radon programs depends upon confidence in the integrity of its’ certification process. The National Radon Safety Board (NRSB) stands alone in its’ ability to provide this confidence.

The NRSB provides recognizable conformance to quality and confidence in the radon industry.

Above: These are paid advertisements. NRSB does not take any responsibility for representation or the views of their advertising agents.

NRSB is Providing Certification Services for Radon Professionals

For Professionals

How To Get Certified
Learn more about getting certified with the NRSB.
Certification is the mark of excellence!
Learn More »

Renew Your Certification
Its simple!
NRSB approved CE courses will only be accepted.
Check here for information on renewing »

For Consumers

Frequently Asked Questions
Have questions about radon?
Check out this page to find the answers.
Get Answers »

Find a Professional
Find a NRSB certified professional in your area.
Our database is updated frequently.
Search Now »

When fulfilling your CEU’s make sure you take
courses that are NRSB approvedView the courses here »

Check our site for upcoming events, conferences, symposiums and more! These events may count as CE credits. Don’t miss out on networking and education.

New & Noteworthy


January is National Radon Action Month.  The goal is to increase the public’s awareness of radon, promote radon testing and mitigation, and advance the use of radon-resistant new construction practices. Annual EPA, Radon Stakeholders Meetings EPA Region VII, Des Moines, Iowa March 7th, 2023 EPA Region VIII, Westminster, Colorado April 20th, 2023

NRSB Recognized Radon Standards

The NRSB recognizes all ANSI/AARST radon standards as an alternative to the previously recognized radon standards established by the EPA and ASTM. An NRSB certificate holder must follow the standards recognized by the state in which they are conducting business and their QA plan must list the standards that are being followed.   Below is…

New NRSB Approved Courses

The following courses were recently approved by the NRSB: CENTER FOR ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC. (CERTI)Initial Course: Radon Mitigation Technology: 24 Credits RAD ELEC, INC.CE Course: Rad Elec Recon Device Training: 4 credits MURC – KANSAS STATE UNIVERSITYCE Course: Optimal Mitigation & Advanced Diagnostics (Classroom): 16 credits