能源与环境 · 2024/8/151 分钟阅读
Finding of Failure To Attain the 1997 8-Hour Ozone Standards; California; Los Angeles-South Coast Air Basin
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摘要
The Environmental Protection Agency (EPA) is proposing to determine that the Los Angeles-South Coast Air Basin ("South Coast") ozone nonattainment area failed to attain the 1997 8-hour ozone national ambient air quality standard by its June 15, 2024 "Extreme" area attainment date. This proposed determination is based on quality- assured and certified ambient air quality monitoring data from 2021 through 2023.