1887

Unintentional formation and emission of the persistent organic pollutants HCB and PCBs in the Nordic countries

Documentation of existing information regarding sources and emissions to air, water and soil, with focus on reporting obligations according to the Stockholm Convention, the UNECE POP protocol, and PRTR registers

image of Unintentional formation and emission of the persistent organic pollutants HCB and PCBs in the Nordic countries

In recent years reporting requirements regarding emissions and releases of unintentionally formed persistent organic pollutants (POPs) have been laid on parties to international agreements and members of the EU. Such obligations include those under the Stockholm Convention on Persistent Organic Pollutants, the UNECE POP and PRTR protocols and the EU PRTR regulation. The aim of this project has been to assess, whether existing knowledge and data are adequate for the Nordic countries to be able to estimate the emissions eventually to be reported. The project reveals that there is a substantial lack of knowledge related to potential sources in the Nordic countries. It also suggests that even though many of the main potential sources are the same, the relative importance of them differs between countries.

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Conclusion

This study has pointed to a number of likely sources to unintentional releases of HCB and PCBs in the Nordic countries and possible emission magnitudes, and has thereby brought the counries a step closer to being able to report on emissions. However, it has also revealed that with the knowledge available today, a complete assessment of the emissions is not possible and will require further knowledge, including filling the identified gaps.

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