The Act is enacted to control air pollution, maintain the living environment and public health and enhance the quality of life. The control regions shall be divided into the three classes: 1.Class 1 control regions: Class 1 control regions refer to such areas as national parks and nature protection and conservation areas that are delineated in accordance with the law. 2.Class 2 control regions: Class 2 control regions refer to the areas that meet air quality standards, with the exception of Class 1 control regions. 3.Class 3 control regions: Class 3 control regions refer to the areas that do not meet air quality standards, with the exception of Class 1 control regions. The central competent authority in consultation with relevant agencies shall determine the air quality standards and shall review them at least every four years. The central competent authority shall draw up an air pollution control scheme and shall review it every four years. Competent authorities at the level of special municipality, county and city shall determine air pollution control plans and submit them to the central competent authority for approval, and shall review and amend the plans every four years.
китайская провинция Тайвань · 1975-05-23