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snapshot survey of the presence of perfluoroalkyl substances in products, Articles, and the Environment in Ecuador

Engineering 2024年第6期37卷 49-61页

作者： Heidelore Fiedler Luis Vega-Bustillos Jenny Arias-pastrano lander vinicio pérez-ald.s Jose Castro-Díaz MTM Research Centre School of Science and TechnologyÖrebro UniversityÖrebro 70182Sweden Undersecretariat of Environmental Quality Ministry of EnvironmentWater and Ecological Transition of EcuadorQuito 170525Ecuador Department of Environmental Chemistry The Technical University of AmbatoHuachi CampusAmbato 180207Ecuador Alternativavision Ambiental Cia.Ltda. Mexico 03100Mexico

The stockholm Convention on persistent Organic pollutants(pOps)is a legally binding instrument for 186 parties(status:April 2023).Accordingly,among other responsibilities,countries are obliged to report the production,import,or export of the pOps listed in Annexes A,B,or C;provide information to registers;maintain inventories;and monitor the presence of pOps in the *** the broader context of international chemicals and waste management,producer responsibilities,harmonized reporting,and compliance with national and international regulations,Ecuador has addressed the newly listed group of perfluorinated alkyl substances(pFAs)in its national implementation plan and sent selected products from its national market for pFAs *** products analyzed came from the initially listed fields of specific exemptions and acceptable purposes,including:fire-fighting foams;photographic aids;greasers/degreasers;various kinds of paper/packaging;textiles;and leather,coatings,cleaners,metal plating,and *** results showed that the three pFAs presently listed in the stockholm Convention could be quantified in only a few samples;additional pFAs,not yet listed in the Convention also had low detection *** the number of samples was limited,the samples covered a large spectrum of sample matrices,making it possible to conclude that—once these products become waste and are regulated under the Basel Convention—they would not constitute a disposal ***,verification of the presence of pFAs in products on the market is expected to pose an analytical challenge for both,developed and developing countries.

关键词： Emerging or newly listed pOps stockholm Convention products and articles pFAs analysis Developing countries

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