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渤海近岸海域污染已制约环渤海地区社会经济的发展。本文为配合天津市主要污染物总量控制，对天津市陆源主要污染物允许排海量的功能区划原则，水环境主要污染物、总量，主要污染物允许排海量的数学模型、陆源主要污染物允许排海量的计算依据等进行了阐述，同时对主要排污口主要污染物允许排海量及其消减量进行了计算。
Pollution in the coastal areas of the Bohai Sea has restricted the social and economic development in the Bohai Sea Rim. In order to tie in with the control of the total amount of major pollutants in Tianjin, the principle of zoning of major pollutants in land transport in Tianjin, the main pollutants in the water environment, the total amount, the mathematical model of allowable discharge of major pollutants, The calculation basis of the allowable discharge of mass per unit, etc., and the calculation of the permissible mass of permissible discharge of major pollutants at the major pollutant discharge outlets and their reduction.