GB/T 6816-1986
Abolished
DB11/T 2444-2025
Active
Beijing CityLocal standards
DB11/T 2444-2025 Guidelines for the Construction and Management of Intelligent Valve Wells/Areas in the South-to-North Water Diversion Project
DB11/T 2444-2025 Guidelines for the Construction and Management of Intelligent Valve Wells/Areas in the South-to-North Water Diversion Project
Price:
$ 20.00
Basic Information
Standard Code:
DB11/T 2444-2025
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Environmental protection sampling and analysis testing methods
ICS Name:
\nWater quality
Publish Date:
2025-06-24
Implement Date:
2025-10-01
Development Information
Related Standards
GB/T 6920-1986
Active
GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method
GB/T 7466-1987
Active
GB/T 7466-1987 Water quality—Determination of total chromium
GB/T 7467-1987
Active
GB/T 7467-1987 Water quality—Determination of chromium (Ⅵ)—1,5 Diphenylcarbohydrazide spectrophotometric method
GB/T 7468-1987
Abolished
GB/T 7468-1987 Water quality—Determination of total mercury—Cold atomic absorption spectropho to metry
GB/T 7469-1987
Active