Energy & environment · 05/05/2010Updated: 10/17/2026 · 1 min read
EPA Reclassifies California Air Quality Areas, Sets New Deadlines for State and Tribes
Summary
The US Environmental Protection Agency (EPA) has reclassified four areas in California as nonattainment for the 1997 8-hour ozone national ambient air quality standard, with new deadlines for the state and affected Indian tribes to submit revisions to their air quality plans.
Original source language: Federal Register — Environmental Protection AgencyOpen original release →