EPA Readies Key NSR Changes, But Delays ‘Fugitive’ Emissions Rule

EPA is preparing key rules and guidance on new source review (NSR) air permitting, including a rule redefining when a “project” is subject to permit mandates, separate guidance on “minor source” NSR and defining the term “potential to emit” (PTE), but the agency is delaying a long-awaited rule eliminating a waiver for “fugitive” emissions. According to officials, EPA “tentatively” aims to issue a proposed rule in January revising Trump-era changes to the NSR emissions “netting” process that allowed permit applicants...