Provided here are reference documents for your convenience.

Various documents published by UKHSA and predecessor organisations

NDAWG Reports
NDAWG short-term release sub-group produced general guidance for assessing doses from short-term releases to atmosphere to inform the process of determining the need for shortterm limits or notification levels. Included in this guidance were key parameter assumptions for realistic and cautious assessments of short-term releases to atmosphere

NDAWG Guidance
The series of NDAWG guidance notes is intended to give practical guidance on specific aspects of the assessment of radiation doses covered by the principles document. The aim is to provide short overviews to encourage harmonisation and consistency in dose assessments.