This standard specifies the limits and test methods for the specific activity of natural radionuclides radium-226, thorium-232 and lithium-40 in building materials. This standard applies to inorganic non-metallic building materials used in the construction of various buildings, including building materials mixed with industrial waste.
GB 6566-2001 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)
GB 6566-2001 Limit of radionuclides in building materials has been changed from GB 6763-2000 Requirements for the control of radioactive substances in building material products and industrial waste residues used in building materials (?).