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Basic Information

EPA's existing chemicals programs address pollution prevention, risk assessment, hazard and exposure assessment and characterization, and risk management for chemicals substances and mixtures on the TSCA Inventory. The Agency uses statutory authorities including the Toxic Substances Control Act (TSCA), Pollution Prevention Act (PPA), and the Formaldehyde Standards for Composite Wood Products Act as well as voluntary activities in its implementation of these programs.

TSCA gives EPA authority to take specific measures to assess chemical substances and mixtures, and protect against unreasonable risks to human health and the environment from existing chemicals. Specifically, TSCA directs EPA to:

The PPA established the national policy that pollution should be prevented or reduced at the source whenever feasible.

On September 29, 2009, EPA Administrator Lisa Jackson announced that EPA is putting in place a comprehensive approach to enhancing the Agency’s current chemicals management program under TSCA.

EPA collects and assesses information on chemical substances and manages chemical substance risks. EPA also participates in international activities on chemical substances, coordinates closely with related EPA activities , and provides chemical substance information to the public.


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