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| environmental protection agency EPA is the US Government's watchdog agency responsible for controlling the pollution of air and water, pesticides, radiation hazards and noise pollution. The agency is also involved in research to examine the effects of pollution (美国环保署监督机构的责任是控制空气与水污染，杀虫剂，辐射危害与噪音污染。该机构也研究污染的影响。) | |||
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