California Air Resources Board

At a public meeting on March 25, 2010, the ARB approved the PM10 Redesignation Request, Maintenance Plan, and Transportation Conformity Budgets for the South Coast Air Basin.

CARB Documents

Redesignation Request and Maintenance Plan

• Plan Submittal Letter to U.S. EPA (April 28, 2010)
• Resolution 10-21 (February 25, 2010)
• Notice of Public Hearing (February 17, 2010)
• Staff Report (February 22, 2010)

Transportation Conformity Budgets

• SCAQMD Submittal Letter (February 19, 2010)
• Draft South Coast Air Basin Transportation Conformity Budgets
• Supplementary Information 

District Document

• Draft PM10 Redesignation Request and Maintenance Plan

U.S. EPA Document

• Federal Register Notice - Final Approval: Redesignation to Maintenance (June 26, 2013)