On the basis of annual pollution discharge, the main pollution sources and pollutants are determined.

根据污染物的年排放量，用等标污染负荷法确定了主要污染源和污染物。

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The purpose of Trading (Emission) Rights is to gradually reduce pollution discharge rather than to stimulate it.

排污权交易制度的目的在于逐步减少污染排放，而非刺激排污。

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The damage to environment resulting from pollution discharge industry is a severe and practical problem for all regions in China.

工业污染引起的环境破坏是中国各区域面临的一个严峻的现实问题。

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However, Stan Woznicki, the agency's counter-pollution officer, said a legal discharge "would be highly unlikely to result in the sort of contamination we have seen".

BBC: Richard Drax MP to question government over bird pollutant

Ms. VICKIE PATTON (Environmental Defense): EPA has, in a number of instances, taken a step back from its proposal and instead will allow some of these high-polluting, older coal plants to continue to discharge smog-forming and haze-forming pollution at a level that doesn't really reflect what today's modern pollution control technology can, in fact, achieve.

NPR: E.P.A Proposes New Rules on Haze