Home / Standards / GB/T 27946-2011 GB/T 27946-2011 Active Limits of hazardous substances in the air of heat treatment workplaces 热处理工作场所空气中有害物质的限值 Standard Type GBT ICS 25.2 CCS J36 Status 现行 Issue Date 2022-12-28 Implementation 2012-10-01 Responsible Dept N/A Drafting Unit N/A