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Radon is a radioactive, colorless, tasteless, and odorless gas found naturally occurring in the environment. Radon is the second-leading cause of lung cancer in the United States after smoking. Elevated indoor air levels in homes and buildings are the primary source for radon exposure. Radon can easily escape from its origins in the rocks and soil where it can further undergo a process that creates compounds that are hazardous to health.

To protect the public, many states have developed laws and regulations governing radon disclosure, radon certification and mitigation. Some states have also developed mandatory radon testing provisions in schools and homes in certain contexts.

This dataset explores the provisions that the states developed in regard to radon and the potential public health impact from elevated radon levels. It includes laws from all 50 states and the District of Columbia in effect December 1, 2016.

Curator

Elizabeth Ann Glass Geltman, JD, LLM

Associate Professor, CUNY School of Public Health


Did you know?

As of January 2017, 37 states require disclosure of radon during real estate transactions.


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Map Legend: State Included in research.