• Advancing the science of regulatory assessments for complex substances - Delina Lyon, Concawe

  • Mar 24 2025
  • Length: 1 hr and 15 mins
  • Podcast

Advancing the science of regulatory assessments for complex substances - Delina Lyon, Concawe

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  • Summary

  • 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


    Concawe website

    Persistence Assessment Tool (PAT)

    PETROTOX tool - Concawe

    PETRORISK tool - Concawe
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