News - Risk Assessment
28. August 2026
Ecotox Centre at the Scientifica science festival
Last weekend, Alexandra Kroll supported Empa and provided the public with information on PFAS and their impact on the environment.
Read more25. August 2026
Pesticides: Overview of limit values in Switzerland and the EU
A new info sheet from the Ecotox Centre provides an overview of the currently applicable limit values for pesticides in water bodies and in drinking water in Switzerland and in the EU. Other topics covered include monitoring and the feedback loop between monitoring and authorisation.
Read more25. June 2026
Mixture toxicity assessment of pesticides in soils: new publication
Our new review article synthesises the scientific evidence for mixture toxicity in soils and identifies major data gaps and conceptual shortcomings in the current risk assessment practice in soil. It proposes an approach for the risk assessment of mixtures in soil that considers each individual trophic level separately.
Read more02. June 2026
Inconsistent risk assessment of chemicals compromises water protection in Europe
A new study highlights significant room for improvement in European chemicals regulation. The environmental risk assessment for a single substance can vary considerably depending on the regulatory context. This has direct implications for water protection.
Read more26. May 2026
A look back at SETAC 2026 in Maastricht
We are looking back to an exciting week at SETAC 2026 in Maastricht. It was a great place to share our latest findings with colleagues, discuss our work, and gain fresh inspiration through stimulating exchanges.
Read more19. May 2026
Swiss birds of prey widely contaminated with rodenticides
The Ecotox Centre has analysed Swiss birds of prey for residues of rodenticides. The results are worrying: 92% of the buzzards and kestrels examined were contaminated with these persistent substances. Whilst direct deaths from poisoning were rare, the high level of sublethal contamination raises questions about the long-term health of our native birds of prey.
Read more12. May 2026
How Dangerous Are Contaminated Military Sites?
Soils at contaminated military sites contain numerous chemicals of ecotoxicological concern. A case study shows that an assessment based solely on chemical analyses falls short and cannot adequately predict toxicity. Additional bioassays and bioavailability measurements are necessary to comprehensively assess soil quality.
Read more08. May 2026
Oekotoxzentrum in SRF Einstein on the risks of PFAS
Risk specialist Alexandra Kroll talks to Katrin Hönegger from SRF Einstein about the significance of current PFAS contamination and assesses the situation.
Read more22. April 2026
Course: One Health - Concept, case studies, challenges and implementation, 23. June 2026
Together with the Swiss Centre for Applied Human Toxicology (SCAHT), we are organising the continuing education course "One Health – Concept, case studies, challenges and implementation". The course can also be attended online.
Read more11. February 2026
Ecotox Centre in SRF Kassensturz programme on drain cleaners
Cornelia Kienle advised SRF Kassensturz on the evaluation of drain cleaners. These products contain many aggressive substances.
Read more
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