National Standard No. 2019-11 of the State Health Commission

Now, we are releasing four health and hygiene standards, including "Code for Personal Monitoring of Occupational External Radiation," with the following codes and titles:

Mandatory National Occupational Health Standards

GBZ 128—2019 Occupational Radiation Exposure Individual Monitoring Standard (replacing GBZ 128—2016)

GBZ 139—2019 Radioactive Protection Requirements for Rare Earth Production Facilities (Replaces GBZ 139—2002)

Mandatory Health Industry Standards

WS 667-2019 Robotic Arm RadiationTreatEquipment Quality Control Inspection Standards

III. Recommended Hygiene Industry Standards

Radiation Protection Requirements for Radon in Public Underground Buildings and Geothermal Water Applications (WS/T 668—2019), replacing GBZ 116—2002 and GBZ 124—2002.

These standards will take effect as of April 1, 2020, and GBZ 128-2016, GBZ 139-2002, GBZ 116-2002, and 124-2002 will be simultaneously invalidated.

Notice is hereby given.

National Health Commission of the People's Republic of China

September 27, 2019