Annual (such as "annual exercise")Occurring or recurring once within a specified, one year period, as defined by the laboratory, plant, or site.Document metadataFieldValueDefinition 1Occurring or recurring once within a specified, one year period, as defined by the laboratory, plant, or site.CategoriesAdministration, Environment, Information and Analysis, Safety, SecurityTerm OPINA - National Nuclear Security AdministrationDefinition typeDefinitionRelatedSourcesSource 1:DOE O 151.1E, Comprehensive Emergency Management SystemSomething wrong with this record? Tell us