sec.91Sealed radioactive substances used in teaching— Act , s 210

### sec.91 Sealed radioactive substances used in teaching— Act , s 210 This section applies to a sealed radioactive substance containing a radionuclide mentioned in column 1 of the following table if the activity of the radionuclide is not more than the activity mentioned in column 2 of the table opposite the radionuclide— Column 1 Column 2 Radionuclide Activity (kBq) cobalt-60 200 strontium-90 80 caesium-137 200 radium-226 20 americium-241 40 For section 210 of the Act , the sealed radioactive substance is exempt from section 13 of the Act if it is being used for teaching students about the characteristics and properties of radiation or radiation sources. (sec.91-ssec.1) This section applies to a sealed radioactive substance containing a radionuclide mentioned in column 1 of the following table if the activity of the radionuclide is not more than the activity mentioned in column 2 of the table opposite the radionuclide— Column 1 Column 2 Radionuclide Activity (kBq) cobalt-60 200 strontium-90 80 caesium-137 200 radium-226 20 americium-241 40 (sec.91-ssec.2) For section 210 of the Act , the sealed radioactive substance is exempt from section 13 of the Act if it is being used for teaching students about the characteristics and properties of radiation or radiation sources.