排污

Pinyin: pái wū
Meaning：Pollution discharge
Sentence: 排污费和超标准排污费必须用于污染的防治，不得挪作他用。The fees paid for pollutant discharge and for excess discharge must be used for prevention and control of water pollution and may not be used for any other purposes.

More:

排：

Pinyin: pái
Meaning: arrange; put in order; raft; row
Radical: 扌
Stokes: 11
Traditional: 排
Common words/Phrase:
排笔 [páibǐ] 【multiple brush for painting】
牛排 [niúpái] 【steak]】
安排 [ānpái] 【arrange】
竹排 [zhúpái] 【bamboo raft】
排除 [pái chú] 【rule out】

污：

Pinyin: wū
Meaning: Smuttiness; dirt; filth
Radical: 氵
Stokes: 6
Traditional: 污
Common words/Phrase:
污水 [wū shuǐ] 【sewage】
污泥 [wū ní] 【filthy mud】
污点 [wū diǎn] 【taint; stain】
污渍 [wū zì] 【blot; spot】
污垢 [wū gòu] 【bilge; dirt】