NRSB certified radon professionals
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 in addition 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.
Radon Measurement
Certification for Radon Measurement Specialists and Technicians
Radon Mitigation
Certification for Radon Mitigation Specialists
Radon Laboratories
Accreditation for Radon Laboratories
Radon Chambers
Accreditation for Radon Chambers
Certifications
Below are different types of certifications the NRSB offers. Click on a title to reveal the description. The list includes Radon Measurement Specialist (RMS), Radon Measurement Technician (RMT), Radon Mitigation Specialist (RRS), Accreditation for Laboratories (ARL) and Chambers (CHM or TRC).
$125/1 year or $200/two years
Radon Measurement Technicians are people who have been trained and certified in the fundamentals of radon testing.
$125/1 year or $200/two years
Certification by the National Radon Safety Board as a Radon Measurement Specialist requires demonstration of knowledge which goes...
$125/1 year or $200/two years
The NRSB requirements for certification as a Radon Mitigation Specialist (RRS) are essentially the same as those established by the...
To be accredited by the National Radon Safety Board, laboratories will be required to demonstrate that they have thorough quality...
The purpose of accrediting radon chambers is to establish criteria to assure that measurement devices are capable of performing predictably...
Continuing Education Credits
NRSB is Providing Certification Services for Radon Professionals
How to Get Certified
Learn more about how to get certified by the NRSB. Certification is the seal of excellence!
Renew your certification.
It's very simple! Only EC courses approved by the NRSB will be accepted.
When fulfilling your CEU’s make sure you take courses that are NRSB approved
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 and Noteworthy
NRSB Exam Study Guide NOW Available!
After receiving several requests for an exam study guide, the National Radon Safety Board is happy to announce the release of the NRSB Certification Exams Study Guide. This is available on our website at no charge to all: https://nrsb.org/wp-content/uploads/2026/06/NRSB-Certification-Exams-Study-Guide-8April2026.pdf Please pass this along to colleagues, friends or employees that plan on taking one or more…
New Certificate-Holders Only Portal
The National Radon Safety Board (NRSB) is pleased to announce the new “Certificate Holders Only” portal. If you are currently an NRSB-certified Professional, you have free access to the portal and the information within it. The information/documents within the portal are divided into 3 categories – Resources & Tools. Additional Learning; and Business Success. We…
NRSB Speaks Spanish!
The NRSB is excited to introduce the Spanish version of our website! We are working with several of our course providers, who are in the process of translating their initial Measurement & Mitigation courses into Spanish, and by the end of August we will also have translated our three professional certification exams into Spanish. The…