HJ 520-2009
Codes for wastewater categories (English Version)
- Standard No.
- HJ 520-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Environmental Protection
- Latest
- HJ 520-2009
- Scope
- This standard stipulates wastewater categories and corresponding codes based on the needs of environmental management, environmental statistics, environmental monitoring, environmental impact assessment, declaration and registration of discharged pollutants, and various water body environmental quality standards and water pollutant discharge standards. . This standard applies to the management of wastewater information collection, exchange, processing, use and environmental information system construction.
HJ 520-2009 Referenced Document
- GB 21904-2008 Discharge standard of water pollutants for pharmaceutical industry Chemical synthesis products category
- GB/T 10113 Definition of common terms used in classification and coding
- GB/T 4754-2002 Industrial classification for national economic activities
- GB/T 7027 Basic principles and methods for information classifying and coding
- GBJ 125-1989 Standard for basic terms used in design of water supply and sewerage engineering
- HJ/T 416-2007 Environmental information terminology
- HJ/T 417-2007 Environmental information classification and code
HJ 520-2009 history
- 2009 HJ 520-2009 Codes for wastewater categories
