Article 5 Exclusion of radioactive waste from sections 6 and 7 of the Act

waste which, if it were not waste, would be a solid exempted substance substantially insoluble in water or an exempted article made wholly or partly from, or incorporating, such a substance;

liquid waste consisting of water in which are suspended particles of a solid substance which, immediately before it became waste, was a solid exempted substance substantially insoluble in water, being waste which is radioactive waste solely because of the presence of those particles;

waste which, if it were not waste, would be radioactive material (other than an exempted substance) consisting of a solid substance substantially insoluble in water, being waste arising solely from the use of an exempted substance (and no other radioactive material) in the preparation of an alloy falling within paragraph (a) (iii) of the last preceding Article;

a solid substance, or an article, which is radioactive waste solely because it has been contaminated in the course of the keeping or use of a solid exempted substance of the kind referred to in paragraph (a) of this Article or an exempted article of the kind referred to in that paragraph, or by contact with or proximity to other waste falling within any of the preceding paragraphs or this paragraph,