Home / Standards / GB 18539-2001 GB 18539-2001 Abolished Occupational exposure limit for propylene oxide in the air of workplace 车间空气中环氧丙烷职业接触限值 Standard Type GB ICS 13.100 CCS C52 Status 废止 Issue Date 2001-12-04 Implementation 2002-05-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A