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Radon Laws, Rules and Standards

The Minnesota Radon Licensing Act (Minnesota Statutes 144.4961) was passed by the legislature and signed into law in May 2015. This act gives Minnesota Department of Health (MDH) the authority to write rules and enforce laws related to the radon industry in the state.

Professionals and companies that measure for radon, mitigate for radon or perform radon analysis in the State of Minnesota are required to be licensed and use system tags.

Statutes

144.4961 Minnesota Radon Licensing Act

Rules

4620.7000 Purpose
4620.7050 Applicability
4620.7100 Definitions
4620.7200 Radon Measurement Professional License 
4620.7250 Radon Mitigation Company License
4620.7300 Radon Mitigation Professional License
4620.7350 Radon Analysis Laboratory License
4620.7400 Standards of Conduct
4620.7500 Incorporation by Reference; Required Work Practices for Radon Measurement and Mitigation and Measurement Devices 
4620.7600 Radon System Tag Requirements
4620.7700 Approval of Initial Training and Continuing Education Courses
4620.7800 Reporting Requirements
4620.7900 Inspections and Enforcement
4620.7950 Variance to Radon Licensing Rules

Standards

• Protocol for Conducting Measurements of Radon and Radon Decay Products in Homes 
• Protocol for Conducting Measurements of Radon and Radon Decay Products in Multifamily, School, Commercial and Mixed-Use Buildings 
• Soil Gas Standards for Existing Multifamily, School, Commercial and Mixed-Use Buildings 
• Soil Gas Mitigation Standards for Existing Homes