Home / Standards / GB/T 8911-1988 GB/T 8911-1988 Abolished Hygienic determination method of carbon monoxide in air of residential areas--Method of replacing mercury 居住区大气中一氧化碳卫生标准检验方法 汞置换法 Standard Type GBT ICS 13.040.20 CCS C51 Status 废止 Issue Date 1988-02-23 Implementation 1988-12-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A