California Air Resources Board

At a public meeting held on December 13, 2018, the California Air Resources Board approved the Imperial County 2018 Redesignation Request and Maintenance Plan for Particulate Matter Less Than 10 Microns in Diameter. The information on this page provides links to CARB and District documentation.

CARB Documents

• Public Notice to consider the approval of the Imperial County 2018 PM10 State Implementation Plan (English)
• Aviso de Audiencia Publica para Tratar el Plan de Implementacion Estatal del estandar PM10 en el Condado de Imperial
• Staff Report: Analysis of the Imperial County PM10 Nonattainment Area Redesignation Request and Maintenance Plan

District Documents

• Final Plan (October 23, 2018)

U.S. EPA Documents

• Final Approval (85 FR 58286, eff. October 19, 2020)