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...
Task Force
11.06.2014

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 introduced into the EU legislative framework under CLP Regulation No. 1272/2008. It is replacing the current guidelines under the Directives 67/548/EEC and 1999/45/EC. Regulatory authorities worldwide are beginning to use the GHS criteria and it is already being noticed that their interpretation varies in different parts of the world.

ECETOC recently published guidance for the classification of chemicals with regard to the endpoint of carcinogenicity, which incorporated the concept of potency. This guidance has been well received. Building on the approach for carcinogenicity, it is recommendable to develop guidance for the application of the GHS criteria to reproductive toxicity, whilst recognising the differences between reproductive toxicity and carcinogenicity. Many chemicals which have not yet been assessed for their potential in this area will be tested under REACH, and cut-off criteria currently applied to agrochemicals may be applied to other categories of chemicals. It is important that industry has a clear position to contribute to the way chemicals are classified for reproductive toxicity.

Related publication

Article: Guidance for the classification of carcinogens under the globally harmonised system of classification and labelling of chemicals (GHS). March 2010. McGregor D, Boobis A, Binaglia M, Botham P, Hoffstadt L, Hubbard S, Petry T, Riley A, Schwartz D, Hennes EC. Critical Reviews in Toxicology 40, 3, 245-285. - doi:10.3109/10408440903384717 corrigendum note to above article: doi:10.3109/10408444.2010.511521