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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Nonpoint source water pollution regulations in the United States ： ウィキペディア英語版 Nonpoint source water pollution regulations in the United States Nonpoint source (NPS) water pollution regulations are environmental regulations that restrict or limit water pollution from diffuse or nonpoint effluent sources such as polluted runoff from agricultural areas in a river catchments or wind-borne debris blowing out to sea. In the United States, governments have taken a number of legal and regulatory approaches to controlling NPS effluent. Nonpoint water pollution sources include, for example, leakage from underground storage tanks, storm water runoff, atmospheric deposition of contaminants, and golf course, agricultural, and forestry runoff. Nonpoint sources are the most significant single source of water pollution in the United States, accounting for almost half of all water pollution,〔National Water Quality Inventory: Report to Congress: 2002 Reporting Cycle. U.S. Environmental Protection Agency. Document No. EPA-841-R-07-001.〕 and agricultural runoff is the single largest source of nonpoint source water pollution. This water pollution has a number of detrimental effects on human health and the environment. Unlike point source pollution, nonpoint source pollution arises from numerous and diverse sources, making identification, monitoring, and regulation more complex. ==Basis for controls and regulations== The basis for nonpoint source pollution regulation is the negative direct and indirect effects on both human health and the environment caused by the pollutants in NPS effluent. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Nonpoint source water pollution regulations in the United States」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.