Accreditation to ISO guide 43 part 1- Organization of proficiency test exercise.
Simon JEROME, NPL (United Kingdom)

Uncertainty by using creatinine normalization of spot urine samples to 24 hour collection for assessment of exposure to uranium.
Rachel MARCO, NRC, NEGEV (Israel)

Results of the 2007 IRSN intercomparison of lung monitoring systems for actinides measurements.
Mohamed ZARYAH, IRSN (France)