New Source Review (NSR) Actual-to-Projected Actual Memorandum
In the context of implementing the New Source Review (NSR) program under the Clean Air Act, the EPA is reinstating the policies described in the December 7, 2017, memorandum titled "New Source Review Preconstruction Permitting Requirements: Enforceability and Use of the Actual-to-Projected-Actual Applicability Test in Determining Major Modification Applicability."
This document is part of the NSR Policy & Guidance Database. Some documents in the database are a scanned or retyped version of a paper photocopy of the original. Although we have taken considerable effort to quality assure the documents, some may contain typographical errors. Contact the office that issued the document if you need a copy of the original.