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Regulacje i polityka gospodarcza · 23.10.2025

EPA Proposes Approval of Arizona's SIP for 2012 Fine Particulate Matter NAAQS

The Environmental Protection Agency (EPA) is proposing to approve Arizona's State Implementation Plan (SIP) revisions to address interstate transport requirements for the 2012 fine particulate matter national ambient air quality standard (PM 2.5 NAAQS).

Source: Federal Register — All DocumentsOpen original release →