This standard is formulated in a bid to implement laws and regulations including the Environmental Protection Law of the People’s Republic of China, the Law of the People’s Republic of China on the Prevention and Control of Water Pollution, the Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution and Marine Environment Protection Law of the People’s Republic of China, protect the environment, prevent pollution and promote the advancement of production techniques and pollution treatment technologies for secondary copper, aluminum, lead and Zink industry. The standard stipulates the ceiling value for the discharge of water and air pollutants and requirements on monitoring of secondary nonferrous metal (including copper, aluminum, lead and Zink) manufacturing enterprises and special discharge limits of water and air pollutants for key areas. This standard is issued for the first time.
