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Lean Trays

This initiative is designed to significantly cut both the carbon footprint and financial costs linked to surgical instrument decontamination by implementing lean surgical trays across all clinical specialties in Scotland. Clinical teams will review and remove rarely used instruments, so that trays to include only what is truly necessary. This simple yet powerful change will reduce the number and size of trays required for each procedure, directly lowering the environmental and operational burden.


Key benefits include:

  • Fewer instruments per tray, which will free up capacity within decontamination units.
  • Less packaging and sterilisation material required.
  • Reduced need to purchase new instruments to replace unused, deteriorating ones.


Overall, this will:

  • Cut the carbon emissions associated with surgical services.
  • Boost efficiency in surgical preparation and decontamination workflows.
  • Deliver significant cost savings through lower processing and handling requirements.
  • Streamline surgical team workflows, minimising setup times and improving patient care delivery

Read the published article here.

Measurement – HVAC Seminar

In February 2025, CfSD brought together colleagues from NHS Assure, ARHAI, and NSS for a national “Myth Busting” seminar. This highly practical session tackled common misconceptions about safely switching off Heating, Ventilation, and Air Conditioning (HVAC) systems in operating theatres when not in use, which can result in significant energy, carbon, and cost savings.

The seminar also featured an insightful presentation from NHS Greater Glasgow and Clyde, who shared their real-world experience of implementing this approach. They outlined the governance required and the importance of engaging multiple stakeholders to ensure safe and effective adoption. The session concluded with an interactive Q&A panel, allowing attendees to explore practical solutions and next steps.

The event was a resounding success, attracting over 100 participants from across Scotland and generating strong engagement and positive feedback.