General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
2017-07
Latest
GB 18059-2000
Scope
This standard specifies the maximum permissible concentration of unsymmetrical dimethylhydrazine in the atmosphere of residential areas and its monitoring and testing methods. This standard applies to the monitoring and evaluation of the atmospheric environment in residential areas.
GB 18059-2000 history
2000GB 18059-2000 Hygienic standard for unsymmetric dimethylhydrazine in air of residential area