Latest blog posts
Comment on “Why there is no evidence that pyridine killed the English crabs”
November 13, 2025 by Adam Peters
Adam has recently published a comment on a paper addressing the lack of evidence for pyridine being the cause of a mass mortality…
Effects of Metal Mixtures on Benthic Macroinvertebrate Communities in the Field
November 7, 2025 by Adam Peters
Adam has recently published a paper analysing the effects of metal mixtures on benthic macroinvertebrate communities in the field. The study looked at four metals, copper,…
Vitellogenin workshop report
October 14, 2025 by Becky Brown
In May 2024, wca participated in a workshop on fish vitellogenin (VTG) assessment and a report of the workshop has just been published in the journal Integrated…
Workshop on Evaluating the Reliability and Relevance of Environmental Exposure Data
October 8, 2025 by Iain Wilson
UPDATE OCTOBER 2025: Meeting Postponed Until Spring 2026 The RSC Environmental Chemistry Group are holding a workshop, organised by Adam Peters, on Evaluating the…
Environment Agency report – Hazard screening and UK risk prioritisation for tyre additives
July 24, 2025 by Ed Stutt
The Environment Agency has published a report authored by wca scientists that reviewed chemical additives in tyres and identified the substances that should be prioritised for further assessment. wca, working…
REACH Revision 2025: What It Means for Chemicals Regulation in the EU
May 23, 2025 by Sylwia Kosmala-Grzechnik
The EU is preparing for a significant revision of REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals), its chemicals legislation. The European Commission published its…
SETAC Vienna 2025; Day 2 and 3
May 15, 2025 by Sylwia Kosmala-Grzechnik
It has been an extremely busy two days for the wca team at the SETAC Europe 35th Annual Meeting in Vienna. As well as numerous pre-arranged and ad-hoc meetings with…
SETAC Vienna; Day 1
May 12, 2025 by Ed Stutt
wca staff are enjoying the start of SETAC Europe 2025 in Vienna, despite some of us having one or two travel issues getting here and our posters ending up on…
Website updates ahead of SETAC Vienna
May 9, 2025 by Becky Brown
As we look forward to some high quality science at SETAC in Vienna we have been reflecting on our own scientific outputs over the last few years, and consider that…
New UK REACH Fees Effective from 1 April 2025
May 6, 2025 by Sylwia Kosmala-Grzechnik
The UK government made significant changes to the fees under the UK REACH regulation, which came into force on 1 April 2025. These changes are outlined in the recently published…
wca at SETAC Europe 35th Annual Meeting
April 22, 2025 by Iain Wilson
wca are long standing partners of SETAC Europe. As in previous years, we have a major presence at the 35th Annual SETAC Europe Meeting to be held…
Svemin EnviroSummit 2025
April 15, 2025 by Graham Merrington
Graham was invited by Svemin, The Swedish Association for Mines, Mineral and Metal Producers, to present an update on recent work on the…
Bioavailability and risk assessment of metals in freshwaters: is global regulatory implementation keeping pace with scientific developments?
February 26, 2025 by Graham Merrington
Graham, Adam and Iain have worked with colleagues across the world to develop a ‘road map’ for the regulatory implementation of metal bioavailability detailed in a recent…
Brief Communication on the current situation with the acute and chronic EQS for nickel
January 29, 2025 by Iain Wilson
With colleagues at NiPERA, Iain, Adam and Graham have published a Brief Communication on the current situation with the short and…
Clarification on timelines for the new CLP hazard classes
December 19, 2024 by Rhiannon Smith
New hazard criteria were introduced under the Classification Labelling and Packaging (CLP) Regulation in April 2023 for Persistent, Bioaccumulative and Toxic (PBT) / very Persistent, very Bioaccumulative (vPvB), Persistent,…
Strategies to meet new CLP requirements for classification for Endocrine Disruption
November 22, 2024 by Becky Brown
New hazard classes have been introduced under Classification and Labelling (CLP) regulations to cover endocrine disruption (ED), Persistence, Bioaccumulation and Toxicity (PBT) and Persistence, Mobility and Toxicity (PMT) and, last…
Approaches to meet the new Pharmaceutical Environmental Risk Assessment Guidance
November 20, 2024 by Becky Brown
New guidance for the European Medicine Agencies (EMA) pharmaceutical environmental risk assessment (ERA) were published in February 2024, effective from September 2024. The new ERA guidance leads…
Development of guidance for monitoring frequency of chemical substances under the WFD
November 15, 2024 by Lucy Kennelly
Recently, I attended a two-day workshop in Zurich to take part in the development of new guidance on monitoring frequency for chemical substances under the Water…
Capacity building workshop to support environmental ED assessment under UK chemicals regulation
October 30, 2024 by Grace Panter
In October, Grace Panter and Becky Brown participated in a “Capacity building workshop to support environmental endocrine disrupter assessment under UK chemicals regulation” co-organised by the…
Insights from the “Chemical Reactions: UK Chemicals Conference”
October 14, 2024 by Sylwia Kosmala-Grzechnik
I recently had the opportunity to attend the “Chemical Reactions: UK Chemicals Conference“, organized by Chemicals Industries Association (CIA), Steptoe and Ramboll in Manchester. The event…