{"id":"C2004L01900","name":"Environment Protection (Nuclear Codes) Regulations","slug":"environment-protection-nuclear-codes-regulations","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":"346 of 1981","makingDate":null,"administeringDepartment":null,"currentVersion":{"id":25533,"registerId":"commonwealth-C2004L01900-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Environment Protection (Nuclear Codes) Regulations","content":"![Commonwealth Coat of Arms of Australia](image.001.jpeg)\n\nStatutory Rules 1981 No. 3461\n\nEnvironment Protection (Nuclear Codes) Regulations\n\nI, THE GOVERNOR-GENERAL of the Commonwealth of Australia, acting with the advice of the Federal Executive Council, hereby make the following Regulations under the Environment Protection (Nuclear Codes) Act 1978.\n\nDated 26 November 1981.\n\nZELMAN COWEN\n\nGovernor-General\n\nBy His Excellency’s Command,\n\n![C2004L01900.jpg](image.002.jpeg)\n\nMinister of State for Home Affairs and Environment\n\nCitation\n\n1. These Regulations may be cited as the Environment Protection (Nuclear Codes) Regulations.\n\nInterpretation\n\n2. In these Regulations, “the Act” means the Environment Protection (Nuclear Codes) Act 1978.\n\nRadioactive substances\n\n3. For the purposes of the definition of “prescribed substance” in section 4 of the Act, a substance the radioactivity of which exceeds 74,000 becquerels per kilogram of the substance, being a substance other than uranium, thorium, or an element having an atomic number greater than 92, is declared to be a radioactive substance.\n\nNOTE\n\n1\\. Notified in the Commonwealth of Australia Gazette on 3 December 1981.\n\nPrinted by Authority by the Commonwealth Government Printer\n\nS.R. No. 332/81 Cat. No. —Recommended retail price 20c 13/16.10.1981","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":3217},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is the original 1981 regulation establishing the initial threshold for prescribed substances, and it remains tightly focused on this specific definitional purpose without expansion into broader regulatory matters."},"complexity_factors":["Only three operative sections with minimal text","Single quantitative threshold (74,000 becquerels per kilogram)","One cross-reference to parent Act's definition section","Technical scientific terminology requiring domain knowledge (becquerels, atomic numbers)"],"plain_english_summary":"These regulations set 74,000 becquerels per kilogram as the radioactivity threshold for classifying a material as a \"prescribed substance\" under the Environment Protection (Nuclear Codes) Act 1978, bringing it into the Act’s safety, handling and compliance regime. The threshold excludes uranium, thorium and transuranic elements and mainly affects users of medical isotopes, industrial gauges and contaminated soils outside the nuclear fuel cycle."}},"importantCases":[],"_links":{"self":"/api/acts/environment-protection-nuclear-codes-regulations","history":"/api/acts/environment-protection-nuclear-codes-regulations/history","analysis":"/api/acts/environment-protection-nuclear-codes-regulations/analysis","conflicts":"/api/acts/environment-protection-nuclear-codes-regulations/conflicts","importantCases":"/api/acts/environment-protection-nuclear-codes-regulations/important-cases","documents":"/api/acts/environment-protection-nuclear-codes-regulations/documents"}}