Enforcement Rules of the Nuclear Materials and Radioactive Waste Management Act Article 2

The uranium and thorium minerals referred to in Subparagraph 1 of Article 4 of this Act are classified as follows:1.Uranium minerals, thorium minerals or uranium-thorium mixed minerals, with a weight percentage of uranium and thorium not less than 0.05%.2.Uranium, thorium or mixtures of the two in any physical or chemical forms, with a weight percentage of uranium and thorium not less than 0.05%.
中文原文 放射性物料管理法施行細則第2條
本法第四條第一款所定鈾、釷等礦物,其分類如下:
一、鈾礦物、釷礦物或鈾釷混合之礦物,其含有鈾、釷之成分重量比在百分之○.○五以上者。
二、任何物理或化學形式之鈾、釷或二者之混合物,其含有鈾、釷之成分重量比在百分之○.○五以上者。

English translation for reference only; the Chinese text prevails. Not legal advice.