Home / Standards / GB 16221-1996 GB 16221-1996 Abolished Health standard for hydrazine in the air of workplace 车间空气中肼卫生标准 Standard Type GB ICS 13.040.30 CCS C52 Status 废止 Issue Date 1996-04-03 Implementation 1996-09-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A