Which agency is primarily responsible for regulating chemical safety in the United States?

The Environmental Protection Agency (EPA) is the primary agency responsible for regulating chemical safety in the United States. This agency manages a wide range of environmental issues, including the assessment and regulation of chemical substances under laws such as the Toxic Substances Control Act (TSCA). The EPA aims to protect human health and the environment by ensuring that chemicals are adequately evaluated for safety and that proper regulations are put in place to manage risks associated with their use.

While the other agencies listed have important roles related to chemical safety—such as OSHA focusing on workplace safety, the FDA regulating food and drug safety, and the Chemical Safety Board investigating chemical accidents—the EPA's broad scope and regulatory authority specifically target chemical safety on a national level. This comprehensive approach allows the EPA to enforce rules that mitigate exposure to hazardous substances and ensure safe environmental practices.