To promote the implementation of 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 and the law of the People's Republic of China on the protection of marine environment, Spin This standard is formulated for the development of dyeing and finishing industry production technology and pollution control technology, and for preventing and controlling water pollution. This standard is in accordance with textile dyeing and finishing enterprises. Wastewater discharge The maximum allowable discharge concentration and displacement of water pollutants in textile dyeing and finishing industry are specified. This standard applies to textile dyeing and finishing. Industrial Enterprise The discharge management, as well as the environmental impact assessment, design, completion acceptance of the construction project and the discharge management after completion. This standard does not apply to waste water produced by processes such as wool washing, hemp degumming, cocoon cooking and chemical fibre raw material cooking.