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Environmental Health Division
Licensing for Radon Mitigation Professionals
The Minnesota Radon Licensing Act has licensure, work practice, continuing education and reporting requirements for radon mitigation.
To find radon licensing, select Radon Licensing System.
Who needs a license?
Anyone who designs or installs a radon mitigation system in an existing building that they do not own or lease. The license allows mitigation professionals to provide on-site supervision of unlicensed radon mitigation technicians.
All mitigation professionals that are employed or contracted by a business must work under a licensed mitigation company. A sole proprietor radon mitigation professional, who does not employ or contract with a licensed radon mitigation professional, is not required to obtain a mitigation company license.
A radon mitigation professional license is a dual measurement and mitigation license. No additional license is needed to conduct measurement activities.
What do you need to get licensed?
Training and Exam
To be eligible for a mitigation professional license, all applicants must:
- Complete an approved radon measurement course
- Pass an approved radon measurement examination (the course completion exam at the end of an online course is not sufficient)
- Complete an approved radon mitigation course
- Pass an approved radon mitigation examination (the course completion exam at the end of an online course is not sufficient)
(If you take an in person class, they may offer the NRPP or NRSB exam after the course)
Important information for those using AARST-NRPP for training and exams: In order to qualify for a Radon Mitigation Professional license, you must complete an approved Radon Measurement Professional (RMP) and pass the RMP exam. This training and exam has been deemed equivalent by AARST-NRPP to their original radon measurement certification. The Radon Measurement Field Technician training and exam is a lower tier of training and exam and not sufficient to qualify for an MDH Radon Measurement Professional license.
In addition, to qualify for a Radon Mitigation Professional license you must complete an approved Radon Mitigation Specialist (RMS) and pass the RMS exam. This training and exam has been deemed equivalent by AARST-NRPP to their original radon mitigation certification. The Radon Mitigation Installer training and exam is a lower tier of training and exam and not sufficient to qualify for an MDH Radon Mitigation Professional license.
Approved Testing Devices
Licensed professionals must submit a list of continuous monitors and passive devices that they use to measure radon. Continuous monitors used must be approved by either the NRPP or the NRSB. Passive radon devices must be analyzed by licensed radon laboratories.
Quality Assurance (QA) Plan
Licensed Radon Professionals are required to submit a QA plan for measurement based on United States Environmental Protection Agency National Radon Proficiency Program Guidance on Quality Assurance. MDH has developed a QA plan template. While you are not required to use the MDH template, it has been developed to make the process as simple as possible. At this time, none of the CRM or passive device manufacturer’s templates meet the necessary requirements. You may modify your existing plan, modify a manufacturer’s plan or start from the MDH template.
- MDH Standard QA Plan (PDF)
- MDH QA Plan Adoption Form (PDF)
- QA Plan Control Log and Charts (Excel)
- Radon Test Report (PDF)
- Radon Test Notification Form English (PDF)
- Radon Test Notification Form Spanish (PDF)
Note: If you wish to be a radon mitigation professional, but will not be placing or retrieving radon test devices, then a shorter QA plan will be acceptable. MDH will still need to know which approved radon laboratory will supply your test kits and how you will comply with section 10.2 of the Soil Gas Mitigation Standards. The ANSI/AARST Soil Gas Mitigation Standards for Existing Homes section 10.2 requires a post-mitigation radon test be conducted and who can conduct the post-mitigation measurements.
Application and Cost
Application are completed online through the radon licensing system. Documents are to be uploaded through the radon licensing system. No paper applications will be accepted. Applicants must submit:
- A completed online application form through the radon licensing system
- Proof they have completed the two required training courses and passed the two exams
- A list of measurement devices they plan to use or may use
- A copy of their QA plan for measurement
- A non-refundable fee of $250 payable by e-check, credit card, or debit card
Radon system tags and post-mitigation checklist
All mitigation systems installed by professionals must have a MDH issued tag. Licensed mitigation companies or sole proprietor can purchase tags. A mitigation professional must complete a post-mitigation checklist upon completion of the system installation, using the form available by MDH, prior to attaching the system tag. The system tag must be attached by a licensed mitigation professional in the interior of building, next to the system pressure gauge, in a visible location and on the date of project completion.
Mitigation work completed by a radon mitigation professional must be reported to MDH by a licensed radon company or a licensed sole proprietor mitigation professional. These reports are due quarterly (January 30, April 30, July 30, October 30) and must be submitted online through the radon licensing system. The specific data to be submitted are described in the Licensing for Radon Mitigation Company and Sole Proprietor.
Measurement work completed by a radon mitigation professional must also be reported. The specific data to be submitted are described in the Licensing for Radon Measurement Professionals. Pre- and post-mitigation radon concentration results conducted or collected as part of the mitigation work are to be reported as part of the company’s mitigation reporting.
Continuing education and renewal
All Minnesota radon professional licenses are valid for 1 year from the date of issuance. Professionals must apply to renew their license at least 30 days before the license expires.
In order to renew a mitigation license, individuals are required to complete 12 hours of continuing education approved by MDH. Classes approved by NRPP or NRSB are automatically accepted. If a class is not listed as approved by MDH, NRPP or NRSB, you can contact MDH to request approval for the course.
The Indoor Air Unit offers Minnesota specific radon classes online at the MDH Learning Center. All classes are free and are available to take at your convenience. You will need to create a username and password to enroll in courses at MDH Learning Center. Certificates and a record of classes taken will be available on the website under your username. For assistance with getting started, finding, and enrolling in classes, refer to the MDH Learning Center Quick Reference Guide (PDF).
Standards of conduct and work practices
Radon mitigation professionals must follow standards of conduct and work practices:
- Operate according to the QA Plan approved under the license
- Use measurement devices approved by NRPP or NRSB
- Notify the commissioner of any change to the license within 30 days
- Maintain proof of license while on a project site
- Use only radon laboratories licensed by MDH
- Maintain radon test and calibration records for 3 years
- Not interfere with MDH inspection or audit
- Comply with ANSI/AARST protocols for conducting radon measurement in homes, multifamily buildings and schools/large commercial buildings
- Comply with ANSI/AARST protocols for conducting radon mitigation in homes, multifamily buildings and schools/large commercial buildings
- Make available, to MDH, records, equipment, addresses, property owners, residents, and employees
- Follow Minnesota Department of Labor and Industry (DLI) requirements regarding electrical work. DLI Radon Bulletin has information on Electrical licensing and inspections for radon fan installations (PDF). For questions regarding electrical licensing or inspection, contact the Department of Labor and Industry at email@example.com or 651-284-5026
Operation Maintenance and Monitoring (OM&M) Plan
A long-term OM&M plan is required to be included with every radon mitigation system installation. This plan package is for the building owner or occupant and contains important information on how the radon mitigation system operates, how to maintain the system, and how to monitor it to make sure it continues to operate correctly. Below is a customizable word template and a ready to use fillable PDF. You are not required to use these documents, but whatever OM&M plan you leave for the homeowner, it needs to meet the requirements of the radon mitigation standard.
Customizable word template
Ready to use fillable PDF
You can watch a 21 minute video going over the document which helps to explain what is in the plan and why.
OM&M Plan: Appendix A: Calculating Energy Costs for Mitigation Systems (PDF)
If you have any questions, please email firstname.lastname@example.org.