{"url_path":"/register/2026-09-21/2026-19217","section_key":"summary","section_title":"Draft Interim Staff Guidance: Material Compatibility for Non-Light Water-Reactors","topic":"register","document":{"doc_type":"Notice","doc_date":"2026-09-21","source_url":"https://www.federalregister.gov/documents/2026/09/21/2026-19217/draft-interim-staff-guidance-material-compatibility-for-non-light-water-reactors","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"Nuclear Regulatory Commission"},"word_count":141,"has_tables":false,"body_markdown":null}