As used in this chapter:
(1) “Attack” means any action or series of actions causing, or which may cause, substantial damage or injury to persons or property by any means, including through biological, chemical, radiological, or nuclear means or through the use of other weapons, technologies, or processes.
(2) “Emergency event” means an impending or existing attack, act of terrorism, disease, accident, or other natural or man-made disaster that does 1 or more of the following:
a. Threatens the life, health, or safety of the public.
b. Has, or has the potential to, damage or destroy property or disrupt service, commerce, or other economic activities.
c. Makes the continuation of normal government operations difficult or impossible.
(3) “Regular judge” means the individual holding an office under this chapter before the emergency event.
(4) “Special emergency judge” means an individual designated under this chapter to exercise the powers and discharge the duties of an office held by another individual who is unavailable until a successor is qualified and appointed as may be provided by the Delaware Constitution or other law of this State or until the other individual who is unavailable is able to resume the exercise of the powers and discharge the duties of the office.
(5) “Unavailable” means either that a vacancy in an office under this chapter exists or that the regular judge is absent or unable to exercise the powers and discharge the duties of the office.