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.
凡是向已有地方污染物排放标准的区域排放污染物的，应当执行地方污染物排放标准。
Units that discharge pollutants in areas where the local standards for the discharge of pollutants have been established shall observe such local standards.
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.
排放标准——法律限制的个人资源在此可以排放的污染物总额。
Emission standard — a legal limit placed on the amount of a pollutant an individual source may emit.
为达到污染物的国家排放标准，就必须对排放的烟尘进行回收治理。
Therefore , the soot to be emitted has to be disposed and recovered in accordance with related State standards about pollutant emission.
污染物的排放远远低于国家标准，保护了环境和人民健康，实现了炼焦行业的清洁生产。
The pollutant emission is much lower than the national standard, so that the environment and public health can be protected, and the clean production of coking industry can be realized.
结果表明：该工程能使车间作业场所的所有污染物均达到排放标准。
The results showed that the project could let all the pollutants from the workshop meet the emission standards.
对汽车排放污染物的种类及其危害、在用汽车排放标准以及常用的检测方法进行了阐述。
This paper expounds variety and harm of exhausted automobile pollutants, emission standard of automobile in use and common inspection methods.
提高重点流域水污染物的国家排放标准。
National standards would have stricter limits for discharge of pollutants in key river valleys.
第三十二条机动车船向大气排放污染物不得超过规定的排放标准。
Article 32 no motor vehicles and vessels shall be permitted to discharge atmospheric pollutants in excess of the prescribed discharge norms.
第二十九条向海域排放陆源污染物，必须严格执行国家或者地方规定的标准和有关规定。
Article 29 the discharge of land-based pollutants into the sea shall strictly comply with the State or local standards and relevant stipulations.
监测结果表明，烟尘、二氧化硫和氮氧化物等废气污染物的排放浓度超过国家标准要求。
The results showed that the dust, sulfur dioxide and nitrogen oxides are all over the limit of country letting standard.
监测结果表明，烟尘、二氧化硫和氮氧化物等废气污染物的排放浓度超过国家标准要求。
The results showed that the dust, sulfur dioxide and nitrogen oxides are all over the limit of country letting standard.
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