Regulation & law · 28/08/2013Updated: 10/17/2026 · 1 min read

EPA Stays Sanctions on California's San Joaquin Valley Amid Revisions to Air Quality Plan

The Environmental Protection Agency (EPA) has made an interim final determination to delay the implementation of offset sanctions and highway sanctions in California's San Joaquin Valley, pending revisions to the state's air quality plan, which addresses nonattainment area contingency measures for fine particulate matter (PM 2.5) standards.