In carrying out the provisions of this article, the Governor, the chairmen of the regional councils and the executive officers or governing bodies of the political subdivisions of the state are directed to utilize the services, equipment, supplies and facilities of existing departments, offices and agencies of the state and of the political subdivisions to the maximum extent practicable, and the officers and personnel of all such departments, offices and agencies are directed to cooperate with and extend such services and facilities to the Governor and to emergency service organizations of the state upon request.