השוואת שיטות

	סיווג פסולת רדיואקטיבית	ניתוח בטיחות קריטית
תחום	פיזיקה גרעינית	פיזיקה גרעינית
משפחה	Process / pipeline	Process / pipeline
שנת המקור	1960	1938
הוגה השיטה	International Atomic Energy Agency (IAEA)	Otto Hahn, Fritz Strassmann
סוג	regulatory classification framework	safety assessment methodology
מקור מכונן	International Atomic Energy Agency (2009). Classification of Radioactive Waste. IAEA Safety Standards Series No. GSG-1.	American National Standards Institute (2019). Nuclear Criticality Safety in Operations with Fissionable Material Outside Reactors. ANSI/ANS-8.1-19.40.
כינויים	waste categorization, hazard stratification, material disposition	nuclear safety assessment, chain reaction analysis, fissile material control
קשורות	5	5
תקציר	Radioactive waste classification is a systematic framework for categorizing radioactive materials based on activity, heat generation, and long-term hazard potential, developed by the IAEA. It stratifies waste into classes (exempt, very low-level, low-level, intermediate-level, high-level) to determine appropriate management pathways—from near-surface disposal to deep geological repositories—ensuring environmental protection and regulatory compliance.	Criticality safety analysis is a systematic evaluation of fissile material systems to ensure nuclear chain reactions remain controlled, originating from Hahn and Strassmann's 1938 discovery of nuclear fission. It determines safe limits on fissile mass, concentration, geometry, and spacing using neutron transport calculations and experimental validation to prevent uncontrolled nuclear excursions in storage, processing, and transportation.