UNE-EN ISO 16639:2019 Surveillance of the activity concentrations of airborne radioactive substances in the workplace of nuclear facilities (ISO 16639:2017) (Endorsed by Asociación Española de Normalización in July of 2019.)
2019UNE-EN ISO 16639:2019 Surveillance of the activity concentrations of airborne radioactive substances in the workplace of nuclear facilities (ISO 16639:2017) (Endorsed by Asociación Española de Normalización in July of 2019.)