Home / Standards / GB/T 35622-2017 GB/T 35622-2017 Active Method on determination of emergency planning zone for major accident of toxic gas leakage 重大毒气泄漏事故应急计划区划分方法 Standard Type GBT ICS 13.200 CCS A90 Status 现行 Issue Date 2017-12-29 Implementation 2018-06-01 Responsible Dept 国家标准委 Drafting Unit N/A