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Enum: INESLevelEnum

International Nuclear and Radiological Event Scale (INES) levels

URI: valuesets:INESLevelEnum

Permissible Values

Value Meaning Description
LEVEL_0 None Events without safety significance
LEVEL_1 None Anomaly beyond authorized operating regime
LEVEL_2 None Incident with significant defenses remaining
LEVEL_3 None Serious incident with some defense degradation
LEVEL_4 None Accident with minor off-site releases
LEVEL_5 None Accident with limited off-site releases
LEVEL_6 None Serious accident with significant releases
LEVEL_7 None Major accident with widespread health and environmental effects

Slots

Name Description
ines_level International Nuclear Event Scale level

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: INESLevelEnum
description: International Nuclear and Radiological Event Scale (INES) levels
from_schema: https://w3id.org/linkml/valuesets
rank: 1000
permissible_values:
  LEVEL_0:
    text: LEVEL_0
    description: Events without safety significance
    annotations:
      scale_position:
        tag: scale_position
        value: below scale
      safety_significance:
        tag: safety_significance
        value: no safety significance
      public_impact:
        tag: public_impact
        value: none
      examples:
        tag: examples
        value: minor technical issues
    title: Level 0 - Below Scale/Deviation
  LEVEL_1:
    text: LEVEL_1
    description: Anomaly beyond authorized operating regime
    annotations:
      scale_position:
        tag: scale_position
        value: incidents
      safety_significance:
        tag: safety_significance
        value: minor
      public_impact:
        tag: public_impact
        value: none
      examples:
        tag: examples
        value: minor contamination, minor safety system failure
    title: Level 1 - Anomaly
  LEVEL_2:
    text: LEVEL_2
    description: Incident with significant defenses remaining
    annotations:
      scale_position:
        tag: scale_position
        value: incidents
      safety_significance:
        tag: safety_significance
        value: minor
      public_impact:
        tag: public_impact
        value: none
      radiation_dose:
        tag: radiation_dose
        value: <10 mSv to workers
    title: Level 2 - Incident
  LEVEL_3:
    text: LEVEL_3
    description: Serious incident with some defense degradation
    annotations:
      scale_position:
        tag: scale_position
        value: incidents
      safety_significance:
        tag: safety_significance
        value: minor
      public_impact:
        tag: public_impact
        value: very minor
      radiation_dose:
        tag: radiation_dose
        value: <100 mSv to workers
      examples:
        tag: examples
        value: near accident, serious contamination
    title: Level 3 - Serious Incident
  LEVEL_4:
    text: LEVEL_4
    description: Accident with minor off-site releases
    annotations:
      scale_position:
        tag: scale_position
        value: accidents
      safety_significance:
        tag: safety_significance
        value: moderate
      public_impact:
        tag: public_impact
        value: minor local impact
      evacuation:
        tag: evacuation
        value: not required
      examples:
        tag: examples
        value: partial core damage
    title: Level 4 - Accident with Local Consequences
  LEVEL_5:
    text: LEVEL_5
    description: Accident with limited off-site releases
    annotations:
      scale_position:
        tag: scale_position
        value: accidents
      safety_significance:
        tag: safety_significance
        value: moderate to major
      public_impact:
        tag: public_impact
        value: limited wider impact
      protective_actions:
        tag: protective_actions
        value: limited evacuation
      examples:
        tag: examples
        value: Three Mile Island (1979)
    title: Level 5 - Accident with Wider Consequences
  LEVEL_6:
    text: LEVEL_6
    description: Serious accident with significant releases
    annotations:
      scale_position:
        tag: scale_position
        value: accidents
      safety_significance:
        tag: safety_significance
        value: major
      public_impact:
        tag: public_impact
        value: significant
      protective_actions:
        tag: protective_actions
        value: extensive evacuation and countermeasures
    title: Level 6 - Serious Accident
  LEVEL_7:
    text: LEVEL_7
    description: Major accident with widespread health and environmental effects
    annotations:
      scale_position:
        tag: scale_position
        value: accidents
      safety_significance:
        tag: safety_significance
        value: major
      public_impact:
        tag: public_impact
        value: widespread
      examples:
        tag: examples
        value: Chernobyl (1986), Fukushima (2011)
      consequences:
        tag: consequences
        value: long-term environmental contamination
    title: Level 7 - Major Accident