Ionizing Radiation Protection Act Article 4
Exceptions for Natural RadiationThe provisions of the Act do not apply to naturally occurring radioactive material, background radiation, and their exposure herein. Provided there is a threat to public safety, the Competent Authority may take them under its jurisdiction by the procedure of announcement and the regulations shall be laid down by the Competent Authority.
中文原文 游離輻射防護法第4條
天然放射性物質、背景輻射及其所造成之曝露，不適用本法之規定。
但有影響公眾安全之虞者，主管機關得經公告之程序，將其納入管理；其辦法，由主管機關定之。
但有影響公眾安全之虞者，主管機關得經公告之程序，將其納入管理；其辦法，由主管機關定之。