Regulacje i polityka gospodarcza · 19.10.2015
Air Plan Approval; Phoenix, Arizona; Second 10-Year Carbon Monoxide Maintenance Plan
The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by the State of Arizona. On March 9, 2005, the EPA redesignated Phoenix, Arizona from nonattainment to attainment for the carbon monoxide (CO) National Ambient Air Quality Standards (NAAQS) and approved the State's plan addressing the area's maintenance of the NAAQS for ten years. On April 2, 2013, the State of Arizona submitted to the EPA a second maintenance plan for the Phoenix area that addressed maintenance of the NAAQS for an additional ten years. The EPA is also proposing to find adequate and approve a transportation conformity motor vehicle emissions budgets (MVEB) for the year 2025 and beyond.