Regulation & law · 03/12/2009Updated: 10/17/2026 · 1 min read
EPA Approves California's Air Quality Plan, Waives Submission Requirements
Summary
The US Environmental Protection Agency (EPA) has determined that Imperial County, California has met the 1997 8-hour ozone standard, allowing the state to suspend certain air quality planning requirements.
Original source language: Federal Register — All DocumentsOpen original release →