以美国污染源排放清单 （NationalEmission Inventory，OrNEI）为例，涉及所有的标准污染物（Criteria Pollutants，CAPs），包括臭氧、CO、S02、N0x、PMlo、PM2小铅和188种有 害污染物（HazardousAi...
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举例来说，1997年，美国环保署意图降低地表臭氧量标准——一种部分由石油精炼排放的污染物造成的污染。
In 1997, for instance, the E.P.A. moved to reduce surface ozone, a form of pollution caused, in part, by emissions from oil refineries.
此外，自来水供应商被要求如果污染物超过联邦标准，必须在24小时内通知消费者。但是瓶装水不适用这条规则。
In addition, suppliers of tap water are required to notify customers within 24 hours about contaminants that exceed federal levels; this does not apply to bottled water.
凡是向已有地方排放标准的区域排放大气污染物的，应当执行地方排放标准。
Units that discharge atmospheric pollutants in areas where the local discharge standards have been established shall observe such local standards.
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