Considering the successive and unsteady emitting status of waste water, the errors of calculating pollutant discharge gross quantity for each of various kind of sampling methods were discussed.

针对废水连续不稳定的排放状态，讨论不同采样方法下核算污染物排放总量的误差。

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An integrated-assessment model quantifies the marginal damages of air pollution emissions for the US which are multiplied times the quantity of emissions by industry to compute gross damages.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution