bio-met v6.0 launched
March 9, 2026 by Iain Wilson
The updated bio-met bioavailability tool (v6.0) is now live! bio-met is a ‘user-friendly’ bioavailability tool for cobalt, copper, lead, nickel and zinc based on the Biotic Ligand Models (BLM) for…
HSE response to consultation on changes to GB CLP
March 3, 2026 by Rhiannon Smith
Over the summer of 2025, the Health and Safety Executive (HSE) held a consultation on reforms to chemical legislation in Great Britain (GB), which had been retained from the equivalent…
Clarification on some aspects of the European Medicine Agency’s revised ERA guidance
February 6, 2026 by Olivia Tran
The European Medicines Agency (EMA) held a webinar on the revised guideline for the environmental risk assessment (ERA) of human pharmaceuticals in October 2025, and a summary…
Threshold levels for endocrine disrupting chemicals using ecotoxicology data
February 5, 2026 by Becky Brown
We are pleased to be able to share a report that wca prepared on behalf of the Environment Agency (EA) on deriving threshold levels for endocrine disrupting…
UK REACH and the UK Government Environmental Improvement Plan
January 15, 2026 by Rhiannon Smith
Following Brexit, the EU chemical regulation (REACH – Registration, Evaluation, Authorisation, and Restriction of Chemicals) was mirrored in the UK as UK REACH. The information requirements for UK REACH and…
Recent experience in implementing the European Medicine Agency’s revised ERA guidance
January 13, 2026 by Olivia Tran
wca have been working with pharmaceutical innovators and generics companies on environmental risk assessments (ERA) since the European Medicines Agency (EMA) published their original guidance on conducting ERAs in 2006.
Closer alignment between UK and EU REACH?
January 7, 2026 by Rhiannon Smith
Following Brexit, the EU chemical regulation (REACH – Registration, Evaluation, Authorisation, and Restriction of Chemicals) was mirrored in the UK as UK REACH. In the spring of 2024, the then-UK…
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…
From our blog
March 9, 2026 by Iain Wilson
March 3, 2026 by Rhiannon Smith