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New Source Review
On July 21, 2025, EPA withdrew its proposed rule revising preconstruction permitting regulations applying to modifications at existing major stationary sources
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New Source Review - Global Energy Monitor
Dec 25, 2019 The New Source Review, (NSR) is a permitting process created by the U.S. Congress in 1977 as part of a series of amendments to the Clean Air
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New Source Review (NSR) Permitting | US EPA
This site will provide basic information on clean air permitting under the New Source Review Program, provide access to state and regional permitting
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