Środowisko i energia · 15/07/1994
EPA Proposes Limited Approval/Disapproval of Arizona's PM10 Implementation Plan
The U.S. Environmental Protection Agency (EPA) proposes limited approval/disapproval of Arizona's State implementation plan (SIP) for particulate matter with an aerodynamic diameter less than or equal to 10 micrometers (PM10) in the Hayden/Miami area.