Chemical Journeys
Welcome to Chemical Journeys. Explore the science and story of chemicals in the environment through conversations with people working in this area.
Chemical Journeys
Advancing regulatory assessments for complex substances - Delina Lyon, Concawe
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Chris Hughes
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Season 1
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Episode 10
In this episode I speak with Delina Lyon, Science Executive for Environment at Concawe.
Del and I dive deep into the regulatory assessment of complex substances. This issue still presents a wicked challenge for industry and regulators alike, and Concawe's work is right at the forefront of this.
Our conversation covers:
- What is Concawe?
- Del's role at Concawe
- Environmental assessment of petroleum substances under REACH
- Del's early career and switch from academia to industry
- Reflections on the science-policy interface
- Developments in regulatory testing and assessment
- Conflicts of interest and the role of industry scientists
- The wicked problem of complex substances (UVCBs)
- Challenges with biodegradation testing
- Weight of evidence and the Persistence Assessment Tool (PAT)
- The hydrocarbon block method and related tools PETROTOX and PETRORISK
- Persistence, bioaccumulation and toxicity (PBT) assessments and the new PMT concept