The Convention on the Transboundary Effects of Industrial Accidents was adopted in Helsinki on 17 March 1992 by the Senior Advisers to ECE Governments on Environmental and Water Problems, at their Resumed Fifth Session. It was opened for signature in Helsinki that day and the next, then at United Nations Headquarters in New York until 18 September 1992. Three equally authentic languages: English, French and Russian. Depositary: the UN Secretary-General. UNTS No. 36605, volume 2105. The same session adopted the Convention on transboundary waters, a distinct instrument.

Article 1: an industrial accident is an uncontrolled development in an activity involving hazardous substances, in an installation or, within Article 2, in transport; a hazardous activity is one in which such substances are present at or above Annex I thresholds and which is capable of causing transboundary effects. Effects include people, flora, fauna, soil, water, air, property and cultural heritage. Party of origin and affected Party. Article 2 covers prevention, preparedness, response, mutual assistance, research and exchanges of information and technology. It does not apply to nuclear accidents, military installations, dam failures (except effects of an industrial accident caused by such a failure), land transport other than emergency response and on-site transport, genetically modified organisms, marine activities or spills at sea.

Article 3: Parties prevent accidents so far as possible, reduce their frequency and severity and mitigate their effects; the operator must take all measures necessary for safe performance; Parties take legislative, regulatory, administrative and financial measures. Article 4: identification of hazardous activities and notification of affected Parties; disputes may go to an inquiry commission under Annex II; Annex III procedures apply; a transboundary environmental impact assessment that evaluates industrial-accident effects may satisfy the relevant requirements. Articles 6–7: prevention and siting policies, without reproducing substance lists. This is not an emergency-operations handbook.

Article 8: on-site contingency plans, operator duties, and off-site plans; Parties inform each other and, where appropriate, draw up joint plans. Article 9: information to the public in areas capable of being affected, and equivalent access to procedures. Article 10: compatible notification systems; in an accident or imminent threat capable of transboundary effects, the Party of origin notifies without delay. Articles 11–12: response and mutual assistance. Article 17: competent authorities and points of contact kept operational at all times for notifications and assistance.

Article 18: the Conference of the Parties, first meeting not later than one year after entry into force — Brussels, 22–24 November 2000. Article 30: entry into force on the ninetieth day after the sixteenth instrument — 19 April 2000; an instrument deposited by a regional economic integration organization is not counted in addition to those of its member States. The Kiev Protocol on civil liability of 21 May 2003 is a later joint instrument with the water convention. The 2015 Annex I amendments are not part of the original text.

Cover: Finlandia Hall in Helsinki, a landmark of the city’s diplomatic conferences; UNTC records only Helsinki, not the hall. Wikimedia Commons, free licence.

Sources consulted: Convention on the Transboundary Effects of Industrial Accidents; Convention on the Transboundary Effects of Industrial Accidents (certified true copy).