This standard specifies the maximum allowable concentration of unsymmetrical dimethylhydrazine in the air of workshops and the monitoring and testing methods. This standard applies to all types of enterprises that produce and use unsymmetrical dimethylhydrazine.
GB 16223-1996 history
1996GB 16223-1996 Health standard for unsymmetric dimethylhydrazine in the air of workplace
GB 16223-1996 Health standard for unsymmetric dimethylhydrazine in the air of workplace was changed to GBZ/T 160.71-2004 Methods for determination of hydrazines in the air of workplace.