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ALL CERTI Entry Level Courses ApprovedRadon services and certifications are regulated in the state of California. If you intend to conduct your radon business here it is recommended that you contact the state radon contact to make sure you are complying with the state requirements.
- California Department of Public Health
- https://www.cdph.ca.gov/Programs/CEH/DRSEM/Pages/EMB/Radon/Radon.aspx
