Shaanxi Provincial Standard of the People's Republic of China
Latest
DB61/T 1401-2021
Scope
This document is applicable to the 1:50000 land quality geochemical survey project in Shaanxi Province, and larger scale surveys can be implemented as a reference.
DB61/T 1401-2021 history
2021DB61/T 1401-2021 Technical regulations for geochemical survey of land quality