California Air Resources Board

At a public meeting held on May 25, 2018, the California Air Resources Board approved the 2018 State Implementation Plan for the Imperial County 12 ug/m3 Annual PM2.5 Standard.

CARB Documents

• Notice of Location Change
• Public Notice to consider the approval of the 2018 State Implementation Plan for the Imperial County 12 ug/m3 PM2.5 Annual Standard
• Staff Report: CARB Staff Review of the 2018 State Implementation Plan for the Imperial County 12 ug/m3 PM2.5 Annual Standard
  • Appendix A: 179B Technical Demonstration
  • Appendix B: Link to District 2018 PM2.5 Plan

District Documents

• Final Plan

U.S. EPA Documents

• Determination of Attainment of the 2012 Annual PM2.5 Standard (88 FR 1515, eff. 2/10/2023)