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Guidelines on best available techniques and best environmental practices for the production and use of perfluorooctane sulfonic acid (PFOS) and related chemicals listed under the Stockholm Convention

Scope: The Convention prohibits the use of perfluorooctane sulfonic acid (PFOS), its salts, perfluorooctane sulfonyl fluoride (PFOS‐F) except in certain applications or as intermediate in the production of chemicals used in these applications. Production of PFOS, its salts and PFOS‐F is allowed only for use in these applications and the production of chemicals used in these applications. Parties that produce and/or use PFOS have to register with the secretariat of the Convention and should take into account guidance on best available techniques (BAT) and best environmental practices (BEP). Furthermore, in 2011, the COP adopted a decision that encourages Parties to implement recommendations on risk reduction for PFOS, its salts and PFOS‐F, that relate to the different stages in the life cycle of PFOS and processes and materials containing PFOS. The objectives of this guidance document is to assist Parties in developing strategies for applying of BAT and BEP for the production and use of PFOS and for implementing the recommendations of the COP on risk reduction for PFOS.


Main target audience: Staff responsible for developing management plans for the application