The Clean Water Act was amended by the Water Quality Act of 1987.
《洁净水法案》在1987年修改成《水质法案》。
Water Quality Standards are the foundation of the water quality-based pollution control program mandated by the Clean Water Act.
描述：环保署水质标准：建立水质污染防治项目，进行清洁水行动。
Water Quality Standards are the foundation of the water quality-based pollution control program mandated by the Clean Water Act.
描述：环保署水质标准：建立水质污染防治项目，进行清洁水行动。
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