2025 Annual Report
Annual Report
January 2026 news from the Sec Gen
News

January 2026 news from the Sec Gen

Dear colleagues and friends, As we begin a new year, I would like to thank you for your continued engagement and trust in ECETOC. 2026 promises to be an exciting and dynamic year, and I am pleased...
ECETOC launches Secondee Programme
News

ECETOC launches Secondee Programme

Looking for an extra challenge? A next step to help develop your career? Consider applying for our Secondee Programme! ECETOC is looking for early-career scientists currently working at a member co...
HSSD Tool

HSSD Tool

This software was developed by a consortium of partners to facilitate the uptake of novel approaches to estimate aquatic threshold concentrations (e.g. the concentration at which 5% of the species are exposed above their EC50, HC5).
The Human Exposure Assessment Tools Database (heatDB)

The Human Exposure Assessment Tools Database (heatDB)

heatdb is a public directory of exposure data sources as well as available tools for exposure
NanoApp

NanoApp

ECETOC’s NanoApp is a tool designed to define the boundaries of sets of similar nanoforms and to generate a justification for the REACH registration.
Targeted Risk Assessment (TRA)

Targeted Risk Assessment (TRA)

The Targeted Risk Assessment (TRA) estimates exposures to workers, consumers and the environment that arise during a series of events.
Chronic fish case studies towards an IATA

Chronic fish case studies towards an IATA

Why? Hazard and safety assessments for the pelagic compartment often rely on in vivo studies using a single fish species, raising ethical concerns and uncertainty in terms of extrapolation....
Estimating the environmental release of Synthetic Polymeric Microparticles from Products

Estimating the environmental release of Synthetic Polymeric Microparticles from Products

Why? REACH restriction: SPM use restricted; emissions reporting required by May 2027. Gap: No analytical methods available to measure SPM emissions. Solution: Draft SPERC-based approac...
Case Studies on Reliability and Relevance Considerations during Validation of NAMs

Case Studies on Reliability and Relevance Considerations during Validation of NAMs

Why? Validation of NAMs is often overlooked despite its importance for regulatory use. Traditional validation methods are less suitable for NAMs, which focus on key events rather than apical...
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Task Forces

Guidance on interpreting endocrine disrupting effects within the constraints of REACH and the revised 91/414 directive

Guidance on interpreting endocrine disrupting effects within the constraints of REACH and the revised 91/414 directive

The finding of this Task force were published as Technical Report No. 106 (published June 2009). Background REACH has indicated that substances (e.g. intermediates, raw materials and formulation i...
Development of guidance for assessing the impact of mixtures of chemicals in the aquatic environment

Development of guidance for assessing the impact of mixtures of chemicals in the aquatic environment

Environmental Sciences Manager Malyka Galay Burgos Administrative Assistant Christine Yannakas The findings of the task force were published in October 2011 as ECETOC Technical Report No.111; "Dev...
Understanding the relationship between extraction technique and bioavailability

Understanding the relationship between extraction technique and bioavailability

Completed task force: The task force published its findings in June 2013 as Technical Report no.117: Understanding the relationship between extraction technique and bioavailability Environmental Sc...
ERA of ionisable compounds

ERA of ionisable compounds

Chemicals Programme Manager Henk Vrijhof Administrative Assistant: Sonia Pulinckx Background The release of “ionisable compounds' (where behaviour depends on pH, ionic strength, etc) into the...
Development of interim guidance for the inclusion of non-extractable residues (NER) in the risk assessment of chemicals

Development of interim guidance for the inclusion of non-extractable residues (NER) in the risk assessment of chemicals

Completed task force: The task force published its findings in June 2013 as Technical Report no.118; Development of interim guidance for the inclusion of non-extractable residues (NER) in the risk a...
Low-dose interactions

Low-dose interactions

Health Sciences Manager Christa Hennes Administrative Assistant Christine Yannakas The task force published its findings in July 2012 as Technical Report No. 115; "Effects of Chemical Co-exposures...
Potency in carcinogenicity and reproductive toxicity classification

Potency in carcinogenicity and reproductive toxicity classification

Potency in carcinogenicity and reproductive toxicity classification Classification should give guidance on the potential hazards of chemicals. Once the nature of the hazard is known, potency is the...
Guidance for classification of reproductive toxicants under GHS

Guidance for classification of reproductive toxicants under GHS

Health Sciences Manager Christa Hennes Administrative Assistant Christine Yannakas Background The Globally Harmonised System of Classification and Labelling of Chemicals (GHS) has been introduc...
Chemical risk assessment – ecosystem services

Chemical risk assessment – ecosystem services

Background Assessing the risks of chemicals to man and the environment is based on the concept of comparing exposure to chemicals with their respective hazardous properties. However, there are diff...
Sufficiency of aquatic hazard information for environmental risk assessment

Sufficiency of aquatic hazard information for environmental risk assessment

Background Currently, there is no clear consensus concerning whether available information on the aquatic hazard of substances is sufficient for determining whether or not an environmental risk ass...
Thresholds in respiratory sensitisation

Thresholds in respiratory sensitisation

Task Force Manager Alan Poole Administrative Assistant Christine Yannakas Background Respiratory sensitisation gains increasing importance in EU regulations as an endpoint driving restrictive m...
Grouping of nanomaterials

Grouping of nanomaterials

Background and Outcome Nanomaterials and nanotechnology-enabled products have to be safe. It is imperative that they do not harm humans or the environment. As more and more nanotechnology-enable...
PBT criteria (Annex XIII of REACH)

PBT criteria (Annex XIII of REACH)

Outcome: August 2014 The task force has published its findings as ECETOC Special Report 18: Information to be considered in a weight-of-evidence-based PBT/vPvB assessment of chemicals (Annex XIII o...
Assessment and evaluation of risks resulting from dermal exposure to chemicals

Assessment and evaluation of risks resulting from dermal exposure to chemicals

Completed task force: The task force published its findings in March 2013 as Technical Report no.119: Evaluation of systemic health effects following dermal exposure to chemicals Health Sciences Ma...
Activity-Based Relationships for Aquatic Ecotoxicology Data: Use of the Activity Approach to Strengthen MoA Predictions

Activity-Based Relationships for Aquatic Ecotoxicology Data: Use of the Activity Approach to Strengthen MoA Predictions

Environmental Sciences Manager: Malyka Galay Burgos Administrative Assistant Sonia Pulinckx Background Two ECETOC Task Forces on the risk assessment of PBTs have produced recommendations to ena...
Guidance on interpreting endocrine disrupting effects within the constraints of REACH and the revised 91/414 directive

Guidance on interpreting endocrine disrupting effects within the constraints of REACH and the revised 91/414 directive

The finding of this Task force were published as Technical Report No. 106 (published June 2009). Background REACH has indicated that substances (e.g. intermediates, raw materials and formulation i...
Guidance for classification of reproductive toxicants under GHS

Guidance for classification of reproductive toxicants under GHS

Health Sciences Manager Christa Hennes Administrative Assistant Christine Yannakas Background The Globally Harmonised System of Classification and Labelling of Chemicals (GHS) has been introduc...
Exploring novel ways of using SSD to establish PNECs for industrial chemicals

Exploring novel ways of using SSD to establish PNECs for industrial chemicals

Environmental Sciences Manager Malyka Galay Burgos Background An ECETOC workshop on "Probabilistic Approaches for Marine Hazard Assessment" was held in Oslo, June 2008. The main outcomes are doc...
Mode of Action and Identification of Adverse vs. Non-adverse Effects

Mode of Action and Identification of Adverse vs. Non-adverse Effects

Task Force Manager Alan Poole Administrative Assistant Christine Yannakas Background The scientifically sound discrimination between adverse and non-adverse effects has always been a key elem...
Chemical risk assessment – ecosystem services

Chemical risk assessment – ecosystem services

Environmental Sciences Manager Malyka Galay Burgos Administrative Assistant Sonia Pulinckx Background Assessing the risks of chemicals to man and the environment is based on the concept of comp...
Guidance for Effective Use of Human Exposure Data in Risk Assessment of Chemicals

Guidance for Effective Use of Human Exposure Data in Risk Assessment of Chemicals

Background The structures and processes by which risks are assessed and managed should themselves be risk-informed. This requires that full and proper account needs to be taken of the human exposur...