(1) "Certification" means a formal document acknowledging that an individual has reached the minimum level of formal training and education, required under federal regulations and guidance provided through the State Hazardous Materials Emergency Response Commission, to perform his or her normally assigned duties for hazardous and toxic materials emergency response;

(2) "Emergency responder" means a person or persons enrolled in organizations which are entities of state or local government, or acting in behalf of state or local government, including, but not limited to, professional or volunteer law enforcement, firefighting, emergency medical, emergency services, or other public emergency response personnel who respond to the scene of a disaster with an assigned role in public safety and emergency services;

(3) "Emergency response and recovery" means those actions required at the scene of a disaster or emergency, as described in the Arkansas Emergency Services Act of 1973, § 12-75-101 et seq., for public safety, health, and welfare;

(4) "Hazardous and toxic materials" or "HAZMAT" means:

(A) Extremely hazardous substances under 42 U.S.C. § 11002, hazardous chemicals under 42 U.S.C. §§ 11021 and 11022, and toxic chemicals under 42 U.S.C. § 11023; and

(B) Such other hazardous and toxic substances as may later be designated by federal regulatory agencies; and

(5) "State Emergency Response Commission" or "SERC" refers to the State Hazardous Materials Emergency Response Commission as specified in this chapter.