Home / Standards / GB 12525-1990 GB 12525-1990 Active Emission standards and measurement methods of railway noise on the boundary alongside railway line 铁路边界噪声限值及其测量方法 Standard Type GB ICS 17.140.30 CCS Z67 Status 现行 Issue Date 1990-11-09 Implementation 1991-03-01 Responsible Dept 生态环境部 Drafting Unit N/A