Regulate use of e-cigarettes via age, sales and marketing restrictions, expanded smoke-free air policies in public and private worksites and designated spaces, etc.
Prevent radon from entering occupied buildings and reduce existing indoor air radon levels via soil depressurization, home or room pressurization, heat recovery ventilation, etc.
Set the number, type, proximity, and density of tobacco retailers, especially near homes and schools, via state or local zoning, licensing restrictions, or other regulations