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Policy & Guidance

You will need Adobe Acrobat Reader to view the Adobe PDF files on this page. See EPA's PDF page for more information about getting and using the free Acrobat Reader.

EPA Reconsiders PSD Memo
February 17, 2009 - EPA will reconsider former Administrator Johnson's 12/18/08 memo on the scope of the Prevention of Significant Deterioration permitting program. The Agency will issue a notice requesting public comment on the issues raised in the memo as well as the issues raised in the Environmental Appeals Board opinion regarding the Deseret Power permit.

EPA Issues Memorandum Interpreting PSD regulations
December 18, 2008 - EPA has interpreted the Agency rules that describe what air pollutants are subject to the federal Prevention of Significant Deterioration (PSD) program, which is the New Source Review program that applies in areas meeting national air quality standards. Learn more:

Implementing New Source Review Requirements in PM-2.5 Nonattainment Areas
This guidance covers implementation of new source review in fine particle nonattainment areas in the interim between the effective date of the designations under the PM2.5 National Ambient Air Quality Standards (April 5, 2005) and the promulgation of regulations to implement nonattainment major NSR for the PM2.5 standards in PM2.5 Implementation Rule. Learn more:

A new, full-document-searchable compendium of NSR policy and guidance has been developed by EPA Region 7 and is accessible by clicking on the link below. At present the Region 7 database must first be downloaded and then opened in and searched by Adobe Acrobat. Region 7 updates the database on a regular basis; new documents will be added to the Web site as they become available.

Please verify with the issuing regional and/or state permitting authority that the policy or guidance document applies to your circumstances.

Region 7 Policy & Guidance

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