汚お染せん源げん

noun

source of pollution; pollution source

Refers to the origin or cause of environmental contamination, such as a factory, vehicle emissions, or chemical spill.

• 工こう場じょうが川かわの汚お染せん源げんになっている。

  The factory is a source of pollution for the river.

• 汚お染せん源げんを特とく定ていするために調ちょう査さが行おこなわれた。

  An investigation was conducted to identify the pollution source.