Certifying Radon Professionals for Over 20 Years!
NRSB radon certification is formal recognition of professional excellence based on qualifications, high ethical standards, and continuing education in radon services.
The NRSB provides recognizable conformance to quality and confidence in the radon industry.
New & Noteworthy
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. Click here for standards list.

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!
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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.
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Find a Professional
Find a NRSB certified professional in your area.
Our database is updated frequently.
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When fulfilling your CEU’s make sure you take
courses that are NRSB approved. View 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
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. Â Below is …
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