Working Group
Hazardous Waste
The Working Group on Hazardous Waste (WGHW) focuses on the management of hazardous wastes from both industrial and household sources, and the remediation of hazardous waste sites resulting from unacceptable hazardous waste management practices.
Latest news
Why household hazardous waste matters for the circular economy
Household hazardous waste may represent only a small share of municipal waste, but its impact is significant. Everyday...
Live from Baku: Tackling Plastic Waste, Open Burning and Food Waste
Plastic waste remains a complicated environmental challenge, and at COP29, the Azerbaijan Pavilion hosted an inspiring...
Why join Hazardous Waste Working Group?
If you want to join a global inspiring group of experts and committed for:
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A toxic free environment.
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Chemicals & Wastes approach in compliance with SDG12 (Sustainable Production and Consumption).
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Devote time to technical and regulatory issues still to be solved all around the world.
- Share your knowledge and learn from working-group members.
Upcoming events

Priscilla Pareuil
Chair
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Priscilla Pareuil is an expert in hazardous waste management with over eighteen years of experience and a PhD in environmental chemistry. Since 2022, she has been serving as Industrial Director at SUEZ IWS. She also chairs the Hazardous Waste Commission within FNADE (Fédération Nationale des Activités de la Dépollution et de l’Environnement) in France, where she actively represents and advocates for stakeholders in the hazardous waste sector. At the European level, she contributes through the EUCOPRO association, supporting cross-border collaboration on hazardous waste policy and best practices.

Gabriel Chifflier
Vice Chair
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Born in France and holding dual French and Spanish nationality, Gabriel has worked in the hazardous waste sector since 1998. He specialises in global remediation projects, particularly in regions lacking specialised infrastructure or where advanced technologies can offer more effective solutions, such as waste recovery and resource transformation. Throughout his career, he has acquired extensive operational and technical expertise across all types of hazardous waste treatments.
Gabriel spent the first 15 years of his career at the Dutch company ATM B.V., which operates the world’s largest hazardous waste treatment center. In 2013, he joined the VEOLIA Group as International Sales & Marketing Manager for BATREC Industrie AG and Veolia Field Services. In October 2019, he was appointed Hazardous & Hospital Waste Director for VEOLIA Iberia & Latam. Over his 28-year career, he has successfully delivered projects across Europe, the Middle East, Africa, Latin America, Southeast Asia, and Australia.
Contact coordinator
ISWA General Secretariat is happy to answer your questions. Fill out the form and we will get back to you as soon as possible.


