Air Quality Standards GB 3095-2012 China 2012

[摘要] "These standards are phased-in beginning in 2012 for some cities and by 2016 for all cities nationwide. Again, the Class 2 standards apply to urban areas." (http://transportpolicy.net/index.php?title=China:_Air_Quality_Standards)

[发布日期] 2012-01-01

[学科分类] 全球变化