HJ 522-2009 (HJ522-2009)

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Related Standard	Status	PDF
HJ 522-2009	English	209	Add to Cart	3 days [Need to translate]	Codes for surface-water environmental function zone categories	HJ 522-2009	Valid	HJ 522-2009

HJ 522-2009
Codes for surface-water environmental function zone categories
National Environmental Protection Standard of the People's Republic
Surface water environment functional area category code (trial)
Released.2009-12-30
2010-04-01 Implementation
Ministry of Environmental Protection released
Ministry of Environmental Protection
announcement
No. 75 of.2009
In order to implement the Environmental Protection Law of the People's Republic of China and promote the construction of environmental information, we now approve the Wastewater Category Code (Trial).
The six standards are national environmental protection standards and are released.
The standard name and number are as follows.
1. Wastewater Category Code (Trial) (HJ 520-2009);
2. Code of Wastewater Discharge (Trial) (HJ 521-2009);
Fourth, "Drainage Discharge Direction Code" (HJ 523-2009);
V. "Air Pollution Name Code" (HJ 524-2009);
6. "Water Pollutant Name Code" (HJ 525-2009).
The above standards have been implemented since April 1,.2010 and published by the China Environmental Science Press. The standard content can be found on the website of the Ministry of Environmental Protection.
Special announcement.
December 30,.2009
Content
Foreword..iv
1 Scope..1
2 Normative references..1
3 Terms and Definitions.1
4 Classification methods..1
5 classification code..1
6 Surface water environment functional area category and code..2
Foreword
In order to implement the "Environmental Protection Law of the People's Republic of China", prevent and control environmental pollution, improve environmental quality, and promote environmental informationization,
Establish and improve the environmental information standard system, provide technical support for environmental information processing and exchange, and standardize the surface water environment functional area category standard
Knowledge, develop this standard.
This standard is the first release.
This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection.
This standard was drafted. Information Center of the Ministry of Environmental Protection, Anhui Environmental Information Center.
This standard was approved by the Ministry of Environmental Protection on December 31,.2009.
This standard has been implemented since April 1,.2010.
This standard is explained by the Ministry of Environmental Protection.
Iv
Surface water environment ribbon category code
1 Scope of application
This standard specifies the categories and codes of surface water environment functional zones.
The water environment functional zone category code object in this standard is the rivers, lakes, canals, channels, reservoirs, etc. within the territory of the People’s Republic of China.
There are surface waters that use functions.
This standard applies to the management of surface water environment information collection, exchange, processing, use and environmental information system construction.
2 Normative references
The contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this standard.
GB 3838 Surface Water Environmental Quality Standard
GB/T 7027 Basic principles and methods of information classification and coding
HJ/T 416-2007 Environmental Information Terminology
HJ/T 417-2007 Environmental Information Classification and Code
3 Terms and definitions
The terms and definitions established in HJ/T 416-2007 and HJ/T 417-2007, as well as the following terms and definitions, apply to this standard.
Water environmental function zone
According to water use function, water environment pollution status, water environment tolerance (environment capacity), social and economic development needs, and pollution
The requirements for total emissions control, delineated water environment with specific functions.
4 Classification methods
4.1 Basic methods
The basic classification method of this standard follows the provisions and requirements of GB/T 7027.
4.2 Classification method of surface water environment function