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监管与法律 · 2020/12/311 分钟阅读
Review of the Ozone National Ambient Air Quality Standards
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摘要
Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria and the national ambient air quality standards (NAAQS) for photochemical oxidants including ozone (O 3 ), the EPA is retaining the current standards, without revision.
来源原始语言: Federal Register — All Documents打开原始公告 →