... federal clean air act 联邦空气清洁法 Clean Air Act Amendments 修正案 ; 年的清洁空气修正案 ; 清洁空气法修正案 ; 清洁空气修正案 CAA clean air act 清洁空气法案 ...
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Clean air Act Amendment (1977) established new deadlines for cleaning up polluted areas; also required review of existing air-quality standards.
1977年洁净空气法修正案确定了清理被污染区域的新期限，同时要求对现行空气质量标准进行评估。
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The legislation, which is an amendment to the Clean Air Act, will codify EPA authority.
CNN: Surf's up for beach water quality
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