GB/T 17923-1999
Replaced
DB23/T 2929-2021
Active
Heilongjiang ProvinceLocal standards
DB23/T 2929-2021 DB23/T 2929-2021 Water environment evaluation guidelines for watersheds based on water ecological function zoning
DB23/T 2929-2021 DB23/T 2929-2021 Water environment evaluation guidelines for watersheds based on water ecological function zoning
Basic Information
Standard Code:
DB23/T 2929-2021
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Emission standards in rural areas
ICS Name:
Liquid waste, sludge
Publish Date:
2021-07-26
Implement Date:
2021-08-25
Pages:
15 pages
Development Information
Related Standards
GB 18420.1-2001
Replaced
GB 18420.1-2001 Biological toxicity grading for pollutant from marine petroleum exploration and exploitation
GB/T 18420.2-2001
Replaced
GB/T 18420.2-2001 Biological toxicity inspection method for pollutant from marine petroleum exploration and exploitation
GB 18420.1-2009
Active
GB 18420.1-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation—Part 1:Grading
GB/T 18420.2-2009
Active
GB/T 18420.2-2009 Biological toxicity for pollutants from marine petroleum exploration and exploitation—Part 2:Test method
YS/T 119.12-2010
Active