The department in performing its duties under this chapter may:

(1) Conduct studies and coordinate research programs pertaining to extremely hazardous waste management;

(2) Render technical assistance to generators of dangerous and extremely hazardous wastes and to state and local agencies in the planning and operation of hazardous waste programs;

(3) Encourage and provide technical assistance to waste generators to form and operate a "waste exchange" for the purpose of finding users for dangerous and extremely hazardous wastes that would otherwise be disposed of: PROVIDED, That such technical assistance shall not violate the confidentiality of manufacturing processes; and

(4) Provide for appropriate surveillance and monitoring of extremely hazardous waste disposal practices in the state.