Extension of the Attainment Date of the Coachella Valley Extreme Nonattainment Area Under the 1997 Ozone National Ambient Air Quality Standards

Summary

The Environmental Protection Agency (EPA) is proposing a one-year extension of the 'Extreme' attainment date for the 1997 ozone national ambient air quality standards in Riverside County's Coachella Valley, based on air quality monitoring data and a request from the State of California.