The "Code for Environmental Protection Design of the Iron and Steel Industry" is now approved as a national standard, numbered GB50406-2017, and will come into force on January 1, 2018. Among them, Articles 4.1.3, 5.4.4, and 5.5.15 are mandatory provisions and must be strictly implemented. The original national standard "Code for Environmental Protection Design of Iron and Steel Industry" GB50406-2007 will be abolished at the same time. This specification is published and distributed by China Planning Publishing House organized by the Institute of Standards and Quotas of our ministry. Ministry of Housing and Urban-Rural Development of the People's Republic of China May 27, 2017
GB 50406-2017 history
2017GB 50406-2017 Design code for environmental protection of iron and steel industry
2007GB 50406-2007 Code for design of environmental protection of iron and steel industry