This standard is designed to monitor workers exposed to the risk of internal contamination by radioactive materials.
KS A ISO 20553:2009 history
2019KS A ISO 20553-2019 Radiation protection-Monitoring of workers occupationally exposed to a risk of internal contamination with radioactive material
2009KS A ISO 20553:2009 Radiation protection-Monitoring of workers occupationally exposed to a risk of internal contamination with radioactive material