上海嘉定排污单位环境管理台账至少需保存几年？
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企业环保知识问答（中英文对照版）Q排污单位环境管理台账至少需保存几年？How many years should the environmental management records of a pollutant discharge unit be kept at least？A环境管理台账记录保存期限不得少于*年。Answer: The environmental management records should be kept for no less than * years.来源：嘉定环境，编辑：王子艳（实习）
