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Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

Air Actions, Arizona

Recent Additions

April 21, 2014 - Proposed redesignation of the Hayden, AZ area to nonattainment for the 2008 lead (Pb) national ambient air quality standards (NAAQS).

March 14, 2014 - Proposed redesignation of the Phoenix-Mesa area to attainment for the 1997 8-hour ozone standard

Adequacy Review of SIP Submissions for Conformity

In EPA's adequacy review, the Agency determines whether the motor vehicle emissions budgets in the State Implementation Plan (SIP) are adequate for conformity purposes.

For more information on SIP submissions currently under EPA adequacy review and SIP submissions EPA has already found adequate, see the EPA's Office of Transportation and Air Quality Transportation Conformity Web Site.

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Arizona-Wide

Arizona Regional Haze Federal Implementation Plan Proposal

January 27, 2014 - This action proposes to promulgate federal requirements for those elements of the Arizona Regional Haze State Implementation Plan that EPA disapproved on July 30, 2013. The Regional Haze Program's goal is to reduce emissions of pollutants that impair visibility at protected national parks and wilderness areas, known as Class I areas. EPA will accept public comments for 45 days after publication in the Federal Register.

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Arizona Regional Haze 309 SIP – Partial Disapproval of State Implementation Plan; Arizona; Regional Haze Requirements

Arizona Regional Haze 308 SIP – Partial Approval/Partial Disapproval of Arizona's Regional Haze State Implementation Plan

July 15, 2013 - EPA approved partially and disapproved partially the remaining portions of Arizona's Regional Haze State Implementation Plan (SIP). The Regional Haze Program's goal is to reduce emissions of pollutants that impair visibility at protected national parks and wilderness areas, known as Class I areas.

Approval and Promulgation of Implementation Plans; Arizona; Motor Vehicle Inspection and Maintenance Programs

May 22, 2013 - EPA is taking final action to approve three revisions to the Arizona State Implementation Plan submitted by the Arizona Department of Environmental Quality. Two of these revisions relate to an amendment to Arizona's vehicle emissions inspection program that exempts motorcycles in the Phoenix metropolitan area from emissions testing requirements. The third revision expands the geographic area in which various air quality control measures, including the vehicle emissions inspection program but also including other control measures, apply in the Phoenix metropolitan area. This rule is effective on June 21, 2013.

Arizona Regional Haze SIP – Proposed Partial Approval/Partial Disapproval of Arizona’s Regional Haze State Implementation Plan

May 9, 2013 - This proposal modifies EPA’s positions on Arizona's Regional Haze State Implementation Plan (SIP) as laid out in our previous proposal, published in the Federal Register on December 21, 2013. The Regional Haze Program’s goal is to reduce emissions of pollutants that impair visibility at protected national parks and wilderness areas, known as Class I areas.

Arizona Regional Haze SIP - Proposed Partial Approval/Partial Disapproval of Remaining Portions of Arizona's Regional Haze State Implementation Plan (SIP)

December 7, 2012 - EPA proposes to approve partially and disapprove partially the remaining portions of Arizona's Regional Haze State Implementation Plan (SIP). The Regional Haze Program's goal is to reduce emissions of pollutants that impair visibility at protected national parks and wilderness areas, known as Class I areas.

Arizona Regional Haze SIP - Partial Approval/Partial Disapproval of State Plan and Federal Plan

November 15, 2012 - EPA is taking final action to approve in part and disapprove in part Arizona's plan to control air pollution at Apache Generating Station, Cholla Power Plant and Coronado Generating Station. EPA is also promulgating a Federal Implementation Plan to replace certain elements of the State Implementation Plan. These pollutants contribute to visibility impairment in protected national parks and wilderness areas, known as Class 1 areas, in Arizona and neighboring States.


Arizona Regional Haze SIP - Proposed Partial Approval/Partial Disapproval and Partial FIP

July 2, 2012 - EPA is proposing to partially approve and partially disapprove Arizona's plan to control air pollution at Cholla power plant, Apache Generating Station and Coronado Generating Station. EPA is also promulgating a Federal Implementation Plan for certain elements of the SIP. These pollutants contribute to visibility impairment in protected national parks and wilderness areas, known as Class 1 areas, in Arizona and neighboring States.

For further information, please contact Thomas Webb (Webb.Thomas@epa.gov).


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Arizona Infrastructure SIP Requirements for the 1997 8-hour Ozone, 1997 PM2.5, and 2006 PM2.5 National Ambient Air Quality Standards (NAAQS)

On September 27, 2012, EPA partially approved and partially disapproved Arizona’s Infrastructure State Implementation Plan (SIP) submittals for the 1997 8-hour Ozone, 1997 PM2.5, and 2006 PM2.5 NAAQS. This final rule will become effective 30 days after publication in the Federal Register.

For more information, contact: Jeffrey Buss (buss.jeffrey@epa.gov)

Proposed Partial Approval and Partial Disapproval of Arizona's Provisions for the Conflict of Interest Requirements of the Clean Air Act (CAA) for the 1997 Ozone, 1997 Fine Particulate (PM2.5), and 2006 PM2.5 National Ambient Air Quality Standard (NAAQS)

CAA section 110(a)(2)(E)(ii) requires that SIPs contain requirements to comply with the conflict of interest requirements of CAA section 128 regarding boards and heads of executive agencies that approve permits and enforcement orders. On July 20, 2012, EPA proposed to partially approve and partially disapprove Arizona's provisions addressing these requirements. A 30-day public comment period will follow publication in the Federal Register.

For further information, please contact Rory Mays (mays.rory@epa.gov).


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Proposed Approval of Arizona's Interstate Transport State Implementation Plan (SIP) for the 2006 Fine Particulate (PM2.5) National Ambient Air Quality Standard (NAAQS)

Clean Air Act section 110(a)(2)(D)(i) requires that SIPs contain adequate provisions to prohibit emissions from adversely affecting downwind states. On July 20, 2012, EPA proposed to approve Arizona's provisions addressing two elements of the interstate transport requirements for the 2006 PM2.5 NAAQS: 1) significant contribution to nonattainment of the NAAQS, 2) interference with maintenance of the NAAQS. A 30-day public comment period will follow publication in the Federal Register.

For further information, please contact Ginger Vagenas (vagenas.ginger@epa.gov).


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Arizona Infrastructure State Implementation Plan for Ozone and PM2.5 National Ambient Air Quality Standards (NAAQS)

On June 15, 2012, EPA proposed a partial approval and partial disapproval of the Arizona Infrastructure State Implementation Plan for the 1997 8-hour ozone and the 1997 and 2006 PM2.5 NAAQS. A 30-day public comment period will follow publication in the Federal Register.

For further information, please contact Jeff Buss (Buss.Jeffrey@epa.gov).

Changes to Arizona's Basic VEI program in Tucson, and the Enhanced VEI program in Phoenix (March, 2007)

Updated with final rule on revised plan (February, 2002)

Payson

Second Limited Maintenance Plan (LMP) for PM10

On March 5, 2014, Regional Administrator Jared Blumenfeld signed a Federal Register notice approving the Payson, Arizona Second Limited Maintenance Plan (LMP) for PM10 for the Payson Nonattainment Area. He also signed an accompanying Federal Register notice proposing to approve the Payson LMP. If relevant adverse comments are received during the 30-day comment period, EPA will withdraw the direct final approval. These Federal Register notices will be published in the Federal Register approximately two to three weeks after signature.

Contact Information:
Nancy Levin (levin.nancy@epa.gov) or 415-972-3848

Phoenix

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Tucson

  • Carbon Monoxide Actions
    10-year carbon monoxide (CO) Limited Maintenance Plan (LMP) in the Tucson Air Planning Area (TAPA); related statutory provision

Other Communities in Arizona

Tribal Areas in Arizona

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