The plant manager confirmed that all effluent is treated before being released into the river.

廠長證實所有廢水在排入河川前都會經過處理。

Our shipping contract requires carriers to dispose of ship effluent at approved port facilities.

我們的運輸合約要求承運商在核可的港口設施處理船舶污水。

Investors asked whether the factory's effluent levels met the new environmental regulations.

投資人詢問該工廠的廢水排放量是否符合新的環保法規。