This standard specifies the limitation for maximal allowable emission concentration of particulates, sulfur dioxide, nitrogen oxides and mercury and its compounds in boiler flue gas and the limitation of flue gas blackness.
This standard is applicable to the coal-fired, oil-fired and gas-fired steam boiler with the production output of unit set of 65t/h or below, the hot water boiler and organic heat carrier boiler with various volumes as well as the layer burning boilers and spreader stoker boiler with various volumes.
The boilers which use coal briquette, coal water slurry, coal gangue, petroleum coke, oil shale, biomass briquette-fuel etc. are performed by reference to the emission control requirements for coal-fired boiler in this standard.
This standard is not applicable to the boiler using domestic wastes and hazardous wastes as the fuel.
This standard is applicable to the air pollutants emission management of the in-use boiler as well as the air pollutants emission management after environmental impact assessment of boiler building project, environment protection facility design, environmental protection acceptance completion and putting into production.
This standard is applicable to pollutant emission behaviors allowed by law; the site selection of the pollution source set newly and the management of the current pollution source in the special protected zone shall be executed according to the relevant provisions in such laws, regulations and rules as Law on Prevention of Air Pollution of the People's Republic of China, Law of the People's Republic of China on Prevention and Control of Water Pollution, Marine Environment Protection Law of the People's Republic of China, Law of the People's Republic of China on Prevention of Environmental Pollution Caused by Solid Waste, Law of the People's Republic of China on Prevention and Control of Radioactive Pollution and Law of the People's Republic of China on Environmental Impact Assessment.