General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
2017-03
Latest
GB 16229-1996
Scope
This standard specifies the maximum allowable concentration of tungsten in the workshop air and its monitoring and testing methods. This standard applies to all types of enterprises that produce and use tungsten.
GB 16229-1996 history
1996GB 16229-1996 Health standard for tungsten in the air of workplace