Regulacje i polityka gospodarcza · 11.09.2025
EPA Proposes Approval of Montana's Regional Haze Plan
The Environmental Protection Agency (EPA) is proposing to approve Montana's regional haze state implementation plan (SIP) submission, addressing the state's long-term strategies to improve visibility in Class I Federal areas, as required by the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR).