Energy & environment · 08/07/2024
EPA Proposes One-Year Extension for San Joaquin Valley PM 2.5 Attainment Date
The Environmental Protection Agency (EPA) is proposing a one-year extension of the 'Serious' attainment date for the 1997 annual fine particulate matter (PM 2.5) San Joaquin Valley, California nonattainment area, from December 31, 2023, to December 31, 2024.