Preliminary Study on Risk Identification and Assessment Framework for Fusion Radioactive Waste Management

Table 1

Typical external event scenarios.

External factor	Event category	Scenario
Human activity	Inadvertent human intrusion	Near surface: agriculture, stockbreeding, construction, etc.
		Intermediate depth: drilling, mining, archaeology, geothermal energy extraction, etc.
	Malicious intrusion	Terroristic attack, etc.
Natural process and event	Nonhuman intrusion	Animal intrusion, plant intrusion
	Natural disaster	Earthquake, volcanic activity, glaciation, etc.