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PRESS RELEASE

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Jointly issued by UNEP and OCHA

UNEP/OCHA report on cyanide spill released today recommends reassessment of environmental risks of mining scheme

Geneva/Nairobi - April 19, 2000: According to the UNEP/OCHA Report being released today, the breach occurring on 30 January 2000 in a retention dam at the Aurul S.A. gold and silver producing plant, an Australian and Romanian owned company, was probably caused by a combination of inherent design deficiencies in the process, inadequate operating conditions and bad weather. Approximately 50-100 tonnes of cyanide including heavy metals went into the Lapus, Somes, Tisza and Danube river catchment area in Romania, Hungary and the Federal Republic of Yugoslavia.

One of the Report's major recommendations calls for re-assessment of the relationship between environmental "benefits and risks" of the Aurul S.A. company and, in particular a full risk assessment study of the entire system of remining old tailings.

Says, UNEP's Executive Director, Mr. Klaus Topfer, " UNEP is now assuming a leadership role to help review design and operational codes relating to the mining industry in order to ensure that this industry contributes in a positive way to sustainable national development while minimizing risks to local populations and the environment".

The immediate risk to human health is estimated minimal by the Report because adequate actions to safeguard drinking water were taken in the three countries.

The Report, however, considers chronic health impacts possible from long-term pollution by heavy metals especially as the spill occurred in an area already contaminated with heavy metals from a long history of mining and metal processing. The chronic pollution risk in the region therefore remains, the Report states, due to its number of poorly maintained and operated plants and flotation ponds containing cyanide and/or heavy metals, many of which continue to leak. Moreover the Report suggests pollution of surface and ground water, as well as soils, from leakage or acute accidents, is likely to repeat itself.

The Report makes important recommendations with regard to avoiding or minimizing the risk of future accidents.

  • It suggests a revision of existing contingency plans to ensure an immediate warning and response as the existing ones proved insufficient and lacking in promptness. As the plant had been classified, according to Romanian government permits, as being of "regular" risk, no special monitoring or contingency planning had been required. Furthermore, the Report suggests that such a revision be carried out with relevant partners under what is foreseen in line with Article 8 annex VII to the Convention on the Transboundary Effects of Industrial Accidents. In this context, the Report also recommends Romania's accession to that Convention.

  • The Report notes the inadequacy of information on risks involved in mining and other industrial activities upstream. The need to improve awareness-raising and information to the local population in the settlements along the affected rivers is emphasized in the Report. The early warning system established under the Danube River protection Convention, the Report found however, responded adequately in alerting neighbouring countries with the relevant authorities allowing timely actions and measures to monitor the pollution movement, to share information with the other countries concerned and to mitigate and reduce the risks and impact of the spill. The Report also refers to unnecessary concerns and potential economic losses that could be avoided through the optimization of information flows to local communities, NGOs and interest groups, as well as between central, district and local authorities.

With regard to the acute effects typical to cyanide, the Report confirms that these occurred for long stretches of the Tisza river before it flows into the Danube.

  • Effects included killing of fish and of phyto- and zooplankton on the passing of the pollution plume. There was no possibility for the UNEP/OCHA expert mission to verify the total estimated amount of fish killed in the Tisza, reported upon differently in each affected country. Aquatic micro-organisms however were found to have recovered rapidly after the pollution wave had passed. No major fish kills were reported however from the Danube. 

The expert mission held many meetings with country laboratories and national EPA authorities and found these to be of high reliability and quality. Discrepancies in results of measurements of concentrations amongst the countries, the Report explains, can be due to variations in sampling intervals used between Romania, Hungary and Yugoslavia and the lack of commonly agreed sets of baseline indicators for water and sediment quality monitoring which could improve and harmonize their monitoring systems.

Another recommendation by the expert mission is a further investigation into the chemistry and toxic effects of cyanide and on the formation and stability of heavy metal cyanide complexes in the aquatic system. The Report recommends further study of the heavy metals in sediments followed by a comparison of the present status with available data on concentrations before the spill for a reliable assessment of the long-term risks of the spill.

The Report calls furthermore for an urgent immediate action as a basis for long-term drinking water improvements. These include: a hydro-geological survey as a base for new water resources prospecting and development (in the Baia Mare area and along the Somes river); installation of ground water monitoring by local authorities including private wells; an inventory of existing private wells in Romania, Hungary and Yugoslavia; an inventory, in Romania, of polluted areas, which endanger groundwater, surface and drinking water and the preparation of emergency water supplies, and finally, a health survey for population in affected areas and monitoring of diseases caused by pollution of water.

Finally, the UN report strongly advocates the need for a broad, cross-border, longer-term environmental rehabilitation and management plan and sustainable development strategy both for the Maramures region in Romania but also amongst the riparian states for the entire catchment area of the Tisza river - a strategy which would address, inter alia, the mining and related industries, other economic activities such as tourism and fishing which suffered losses after the spill, biological diversity requirements, and social needs and imperatives.

In the Report, UNEP offers its support and collaboration, together with the UN Economic Commission for Europe (UNECE), to develop the proposal made recently, to develop a protocol on liability and compensation, to the UN/ECE Convention on Transboundary Watercourses and International Lakes and to the UN/ECE Convention on the Transboundary Effects of Industrial Accidents, in order to help settle, through an international regime, the question of liability and compensation for similar incidents and its consequences.

UNEP's Division of Technology, Industry and Economics, is currently working with key stakeholders to address questions regarding the mining industry in areas such as emergency preparedness and response (APELL programme) at mine sites; the revised design and operating codes for cyanide processes at mines; the development of new international standards for fail-safe concepts in tailings dams; a review of permitting and inspection procedures of hazardous mining installations; training workshops for national inspectorates in risk assessments and enforcement, and the publication of a "best practice water management at mines" guide and case studies.

Background note:

The full report assessing the 30 January cyanide spill in the Romanian mining area of Baia Mare, is the result of the United Nations Environment Programme (UNEP) and UN Office for Coordination of Humanitarian Affairs (OCHA) Joint Mission together with the UNDAC (UN Disaster Assessment Coordination) branch of OCHA, from 23 February to 3 March 2000 in Romania, Hungary and the Federal Republic of Yugoslavia to assess the pollution caused to the Tisza and Danube rivers system after the cyanide spill of liquid and suspended waste following a breach in a tailings retention dam from the Aurul Company S.A. in Baia Mare, in the North Eastern region of Romania.

UNEP and the OCHA/UNDAC were approached by the governments of Romania, Hungary and the Federal Republic of Yugoslavia, to assist in providing a rapid, independent and objective description of the spill, the situation and events causing it, and its impact on the environment.

The United Nations Environment Programme (UNEP) and the Office for the Coordination of Humanitarian Affairs (OCHA) have established close cooperation to address environmental emergencies, collaborating through a joint unit which was established in 1994 within the Disaster Response Branch of OCHA, Geneva. UNEP and OCHA utilized this mechanism to respond to the request from the three governments on the spill emergency.

This mission was supported by a number of governments and included representatives of the European Commission (EC), the UN Economic Commission for Europe (UN/ECE) and the World Health organization (WHO). Valuable additional support and advice was received from the UNDP office in Bucharest, and other relevant United Nations agencies and international organizations, including the International Commission for the Protection of the Danube River (ICDPR), the Worldwide Fund for Nature (WWF) and the Regional Environment Centre (REC).

The mission’s task was also aimed at supporting the provision of advice to respective national authorities on response activities and better accident prevention and preparedness. The mission was an urgent fact-finding and assessment mission comprising field visits to selected locations, supplemented by meetings with relevant national authorities, experts, representatives of non-governmental groups and the population.

The aim of the UNEP/OCHA report is to assist the governments in their efforts to mitigate the consequences of the Baia Mare accident, and provide an input to the broader framework of international cooperation with regard to a longer-term rehabilitation programme of this region in Europe. The report is not intended as a full overview of the emergency and all related implications but should be seen as marking the beginning and providing a contribution to a process of investigation and review by, inter alia, the Baia Mare Task Force set up by the European Commission.

For further information:

In Geneva: Anders Renlund, UNEP Press Officer, Tel: 917 82 72, email: renlunda@unep.ch, or Donato Kiniger-Passigli, OCHA Press Officer, Tel: 917 2653, email: kiniger-passigli@un.org

In Nairobi: Robert Bisset, Office of the Spokesman, Tel: +2542/623 084, fax: 623 692 or email: robert.bisset@unep.org 

Press Release 2000