Energy & environment · 21/01/20251 min read

Approval and Promulgation of Implementation Plans; State of California; Coachella Valley; Extreme Attainment Plan for 1997 8-Hour Ozone Standards

The Environmental Protection Agency (EPA) is taking final action to approve elements of a state implementation plan from California to meet Clean Air Act requirements for the 1997 8-hour ozone national ambient air quality standards in the Coachella Valley, CA nonattainment area.