Pollutant release and transfer register

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A pollutant release and transfer register (PRTR) is a system for collecting and disseminating information about environmental releases and transfers of hazardous substances from industrial and other facilities.

PRTRs were established in several countries after the 1984 Bhopal Disaster and the 1992 United Nations Conference on Environment and Development in Rio de Janeiro, which affirmed communities' and workers' right to know about toxic chemicals and other substances of concern.