Clean Air Act 1991.
The Act provides for control of air pollution through licensing of polluting plants and other measures to prevent and reduce air pollution. There is established a body called the Environmental Authority under section 3. No person shall commence or continue the construction of a controlled plant, except a moveable plant, unless there is a construction permit in force for the purpose. Controlled plant" means a plant described in the First Schedule. A person shall not commence or continue the operation of a controlled plant unless there is an operating licence in force for the purpose. Permits and licences shall be issued by the Authority. The Authority may grant an operating licence subject to such terms and conditions as it may think fit