Środowisko i energia · 21/07/2023
EPA Finds West Pinal County, Arizona Failed to Meet 1987 PM10 Standards by 2022 Deadline
The Environmental Protection Agency (EPA) has determined that West Pinal County, Arizona did not meet the 1987 24-hour PM10 standards by its December 31, 2022 deadline, requiring the State of Arizona to revise its state implementation plan to achieve PM10 standards within a specified timeframe.