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CRD: Live Online Training Event - Surface Water Exposure via Drainflow

Live Online


This half-day live online training event will focus on environmental exposure of surface waters via drainflow. It will present attendees with an overview of drainflow and the associated environmental fate assessments required to meet regulatory requirements in the UK.  Key issues that applicants must consider when preparing active substance or product submissions will be highlighted.

The event will comprise a mixture of presentations and live run throughs of models using worked examples covering active substances, metabolites, mixed active products, and conclude with an open question and answer session.  The training will be delivered by HSE regulatory specialists and will help attendees improve the quality of their submissions and understand how these will be reviewed by the GB regulator.


The course will cover:

  • Introduction to drainflow
  • Key endpoints - the EFSA conclusion and GB Competent Authority conclusion, data gaps and critical areas of concern
  • First tier drainflow - step-by-step guide and worked examples
  • Higher tier drainflow - step-by-step guide using MACRO 5 and worked examples
  • Presentation of higher tier MACRO modelling results and introduction to ecotoxicology criteria
  • Metabolites
  • The use of the risk envelope approach
  • Mixed active products
  • Common problems with applications

Download the programme for the day here

Who should attend?

This course will be specifically designed for those with at least a basic working knowledge of environmental fate and behaviour who want to develop their expertise in this specific area further.

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.


£335 (plus VAT) per person.

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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