Emission standard

（重定向自Smog control）

Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect human health.

单词	Smog control
释义	Smog control 原声例句 VOA Special 2019年9月合集 But business leaders believe widespread closures are not part of the plan -- as long as usual smog controls continue to do the job. 但企业领导认为，只要常规的雾霾控制措施继续实施，就不必大面积关闭工厂了。英语百科 Emission standard （重定向自Smog control） Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect human health.
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