The National Physical Laboratory (NPL), situated in London near Heathrow Airport, is the UK's national standards laboratory for many different types of measurement, including those associated with radiation protection.

The Neutron Metrology Group runs services for calibrating and characterising neutron instruments to high precision, and also has a research programme for improving the quality and usefulness of neutron measurements.

This presentation describes some recent developments in neutron metrology and dosimetry at NPL.

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