A8 Historical Accidents: TMI, Chernobyl and Fukushima

Topic

Beyond the natural events, technical failures, and unintentional human errors covered in the preceding sections, nuclear safety literature also recognizes—as a distinct risk category—the possibility of deliberate acts aimed at compromising the security of a facility, including external attack scenarios considered in industry risk analyses.

This catalog does not elaborate on the mechanisms, specific vulnerabilities, or physical protection measures associated with this category, other than acknowledging its existence as part of the broader nuclear security landscape reflected in the sector's public literature. A detailed treatment falls outside the conceptual scope of a catalog focused on reactor physics and normal or anomalous operations; instead, it belongs to the specialized discipline of nuclear facility physical protection.

For this reason, unlike all the preceding ones, this module does not conclude by revisiting a specific causal mechanism; it simply notes the existence of this risk category and states that this catalog is—deliberately—not the place to address it in detail.

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