Latest blog posts
The Fathead minnow Extended One Generation Reproduction Test (FEOGRT): A design for regulatory application
May 1, 2026 by Grace Panter
Be the first to read our latest publication. Grace Panter and Becky Brown, with colleagues from AstraZeneca, Experimental Pathology Laboratories Inc., Smithers Wareham and Corteva AgriScience have just…
Prize-winning poster at the Chemistry in the Oil Industry (CITOI) symposium
April 28, 2026 by Lucy Kennelly
Last week, I presented a poster at the Chemistry in the Oil Industry ‘Shaping the Future of Energy’ symposium on 21-22 April, organised by the Royal…
wca at SETAC Europe 36th Annual Meeting
April 23, 2026 by Iain Wilson
wca are long standing partners of SETAC Europe. As in previous years, we have a major presence at the 36th Annual SETAC Europe Meeting to be held in Maastricht.
The Development of a Bioavailability Model for Uranium
April 21, 2026 by Lucy Kennelly
wca are collaborating with the University of Saskatchewan, the Finnish Environment Institute (SYKE), Australia’s Department of Climate Change, Energy, the Environment and Water (DCCEEW), the UK Centre for Hydrology and…
wca co-authors of one of IEAM’s top 3 Exceptional Papers of 2025
April 20, 2026 by Graham Merrington
Adam, Iain and Graham are authors on one of Integrated Environmental Assessment and Management’s (IEAM) top 3 Exceptional Papers of 2025. The article “Bioavailability…
Sessions accepted at SETAC North America 47th Annual Meeting
April 15, 2026 by Graham Merrington
wca have had two sessions accepted for the SETAC North America 47th Annual Meeting being held from the 2nd to the 5th November in Montreal, Quebec:…
Outcome of the public consultation on the ATRm for UK REACH
April 13, 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 May to July of 2024,…
UK guidance on pharmaceutical environmental risk assessment
April 8, 2026 by Olivia Tran
The UK’s Medicines and Healthcare products Regulatory Agency (MHRA) has finally provided guidance on environmental risk assessments (ERA) for medicines following its departure from the EU. Its…
RSC Workshop on Evaluating the Reliability and Relevance of Environmental Exposure Data
March 31, 2026 by Adam Peters
Adam, Graham, and Olivia recently presented at a short workshop organised by the Royal Society of Chemistry’s Environmental Chemistry Group on Evaluating the Reliability…
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…