 UK Government Decontamination Service

The UK Government Decontamination Service (sometimes written without the "UK" prefix or abbreviated to GDS) is an organisation within the UK Government that provides advice and guidance to help the UK resist and recover from any deliberate or accidental release of chemical, biological, radiological or nuclear materials (CBRN) or from major accidental releases of hazardous materials (HAZMAT).GDS was established as an executive agency of the Department for Environment, Food and Rural Affairs (DEFRA) and since 1 April 2009 has been a constituent part of The Food and Environment Research Agency, a newly formed executive agency of the Department for Environment, Food and Rural Affairs (DEFRA).