WASHINGTON, May 20 (TNSFR) -- The U.S. Environmental Protection Agency (EPA) is proposing revisions to the New Source Review (NSR) air permitting regulations. These regulatory revisions would distinguish between construction of a stationary source and construction of non-emitting components or structures, while clarifying and codifying that the latter can occur before an owner or operator obtains an NSR air permit for a new major stationary source or major modification of an existing major stati . . .

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