Which of the following is NOT an EAP level?

The correct choice highlights that the designation of "Level 3" must not repeat within the context of the question regarding EAP (Emergency Action Plan) levels. In the framework for classifying emergency levels, there are specific definitions assigned to different levels to streamline decision-making and response strategies in the event of various failure conditions.

Level 1 is categorized as a non-failure emergency condition, indicating that there are no immediate threats that require action, and it is merely a precautionary stance. Level 2 suggests that a potential failure situation is developing, meaning proactive measures may be necessary to prevent a more serious incident. On the other hand, Level 3, as recognized in safety and engineering contexts, refers to a complete catastrophic failure.

By referring to "Level 3 - Failure imminent or has occurred," it introduces an ambiguity by not aligning with the established definitions within EAP levels. The duplication of "Level 3" in this context means it cannot correctly classify a different scenario that falls under this established nomenclature. Thus, acknowledging the specific criteria set for each level underlines the importance of clarity in classification for effective emergency response and safety management.