; (3) directing the establishment and continued operation of divisions or other offices within the Agency, in order to carry out the responsibilities of the Agency under this Act, and to satisfy the requirements of other applicable law; (4) coordinating and overseeing the operation of all administrative, enforcement, and research activities of the Agency; (5) adopting and using a seal; (6) determining the character of and the necessity for the obligations and expenditures of the Agency; (7) appointing and supervising of personnel employed by the Agency; (8) distributing business among personnel appointed and supervised by the Director and among administrative units of the Agency; (9) using and expending of funds; (10) implementing this Act through rules, orders, guidance, interpretations, statements of policy, investigations, and enforcement actions