Home / Standards / GB 11667-1989 GB 11667-1989 Abolished Hygienic standard for inhalable particulate matter in ambient air of residential areas 居住区大气中可吸入颗粒物卫生标准 Standard Type GB ICS 13.040.20 CCS C51 Status 废止 Issue Date 1989-07-24 Implementation 1990-06-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A