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CRD Live Online Workshop: Introduction to Operator, Resident, Bystander and Worker Exposure Risk Assessment for Plant Protection Products using the 2022 EFSA Exposure Guidance

Live Online


Under Regulation (EC) No 1107/2009, concerning the placing of plant protection products on the market, applicants are required to demonstrate acceptable risk from plant protection products to operators, resident, bystanders and workers.

This workshop will be delivered over two morning sessions and aims to take participants through non-dietary exposure risk assessment for GB and NI plant protection product authorisations, identifying the approaches that applicants need to follow using the 2022 European Food Safety Authority (EFSA) Exposure Guidance.  This guidance was implemented for NI assessments from 1 January 2023 and has been adopted for GB assessments from 1 Janaury 2024.

The course will cover:

The course will be a mixture of presentations and worked examples and will be delivered by HSE regulatory scientists directly involved in this area of the authorisation process.

  • Principles of the non-dietary exposure assessment
  • Introduction to the 2014 and 2022 EFSA Exposure Guidance
  • Summary of significant changes to the exposure guidance
  • Operator exposure risk assessment
  • Resident and bystander exposure risk assessment
  • Worker exposure risk assessment
  • Introduction to the online EFSA OPEX Model
  • Worked examples of operator, bystander, resident and worker exposure assessments
  • Recommendations for designing, conducting and assessing higher tier field studies

Download the programme for the day here

Who should attend?

Technical and regulatory staff involved in the production and submission of non-dietary human health risk assessments and associated data to HSE.

Live Online Course Information

All you will need is an internet-connected computer, laptop, or tablet, plus a webcam and microphone. We do not recommend using a smartphone. Before you book, please check that you meet the Zoom System Requirements and run a diagnostic test to ensure the software is compatible with your firewall settings. If this does not work, try adjusting your settings or contact your IT department about permitting the website.



Please note that all courses must be paid for via credit card at the time of booking.

Some of our training courses can also be delivered in-company, please contact us to discuss your requirements.

Telephone: +44 (0)203 028 3704

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