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Public Notice: Proposed Approval; Arizona SIP Revision; Regional Haze Progress Report

Publish Date: 03/27/2019

Summary

EPA is proposing to approve Arizona's Regional Haze Progress Report (“Progress Report” or “Report”), submitted by the State of Arizona on November 12, 2015, as a revision to its state implementation plan (SIP). Arizona submitted its Progress Report and a negative declaration stating that further revision of the existing regional haze implementation plan is not needed at this time. The Progress Report addresses the federal Regional Haze Rule requirements under the Clean Air Act (CAA) to submit a report describing progress in achieving reasonable progress goals (RPGs) established for regional haze and a determination of the adequacy of the state's existing implementation plan addressing regional haze. Arizona's Progress Report notes that Arizona has implemented the measures in the regional haze implementation plan due to be in place by the date of the Progress Report and that visibility in Class I areas affected by emissions from Arizona is improving. The EPA is proposing approval of Arizona's determination that the State's regional haze implementation plan is adequate to meet RPGs in Class I areas affected by emissions from Arizona for the first implementation period, which extended through 2018, and requires no substantive revision at this time

Applicant or Respondent

State of Arizona

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