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监管与法律 · 2016/10/181 分钟阅读
Review of the National Ambient Air Quality Standards for Lead
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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 lead (Pb), 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 →