means radioactive material which is outside a nuclear installation as defined in the Nuclear Energy Act, 1993, and is not a material which forms part of or is used or intended to be used in the nuclear fuel cycle, and--
| a) | has an activity concentration of more than 100 becquerels per gram and a total activity of more than 4 000 becquerels; or |
| b) | has an activity concentration of 100 becquerels or less per gram or a total activity of 4 000 becquerels or less and which the Minister has by notice in the Gazette declared to be a Group IV hazardous substance, |
and which is used or intended to be used for medical, scientific, agricultural, commercial or industrial purposes, and any radioactive waste arising from such radioactive material.