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WTO 美国通报 G/TBT/N/USA/1459/Add.1
来源:CCCME
WTO.美国通报新的、改进的和重建的固定源的温室气体排放性能标准审查：电力公用事业发电机组
编号：G/TBT/N/USA/1459/Add.1
标题：新的、改进的和重建的固定源温室气体排放的污染物比重大贡献发现：电力公用事业发电机组，以及确定其他新源性能标准源类别重要性的过程
机构：环境保护署（EPA）
行动：最终规则
摘要：在这项最终行动中，美国环境保护署（EPA）正在根据《清洁空气法》（CAA）第111（b）节对发电机组（EGU）最终确定一项重要贡献调查结果（SCF），以便对温室气体（GHG）排放的源类别进行监管，重申环境商品仍然是一个列入清单的来源类别。美国环境保护局通过明确一个框架得出了这一结论，根据该框架，如果温室气体排放量超过美国温室气体排放总量的3%，则源类别被视为对危险的空气污染作出重大贡献。环境保护署正在将3%的临界值应用于EGU源类别，以证明EGU源类别的温室气体排放将对危险的空气污染产生重大影响。虽然EGU GHG排放量超过了这一阈值，足以保证无需更多的努力就可获得SCF，但为了完整性，环境保护局还在二级标准框架下分析了EGU排放量，这也证明了SCF的适当性。
英文原文：
TITLE: Pollutant-Specific Significant Contribution Finding for Greenhouse Gas Emissions From New, Modified, and Reconstructed Stationary Sources: Electric Utility Generating Units, and Process for Determining Significance of Other New Source Performance Standards Source Categories
AGENCY: Environmental Protection Agency (EPA)
ACTION: Final rule
SUMMARY: In this final action, the U.S. Environmental Protection Agency (EPA) is finalizing a significant contribution finding (SCF) for purposes of regulating source categories for greenhouse gas (GHG) emissions, under section 111(b) of the Clean Air Act (CAA) for electric generating units (EGUs), and in doing so, reaffirming that EGUs remain a listed source category. The EPA has reached that conclusion by articulating a framework under which source categories are considered to contribute significantly to dangerous air pollution due to their GHG emissions if the amount of those emissions exceeds 3 percent of total U.S. GHG emissions. The EPA is applying the 3-percent threshold to the EGU source category to demonstrate that GHG emissions from the EGU source category would contribute significantly to dangerous air pollution. While EGU GHG emissions exceed this threshold by a sufficient magnitude to warrant an SCF without more ado, the EPA has also, for completeness, analyzed EGU emissions under a secondary criteria framework, which also demonstrates the propriety of the SCF.
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