This standard specifies the test methods for the limit of radionuclides of building materials and the specific activity of natural radionuclides radium-226, thorium-232 and potassium-40. This standard applies to inorganic non-metallic building materials that have requirements for the limit of radionuclides.
GB 6566-2010 history
2010GB 6566-2010 Limits of radionuclides in building materials
2001GB 6566-2001 Limit of radionuclides in building materials
2000GB 6566-2000 Radiation Hygienic Protection Standards for Building Materials (replacing GB6566-1986)