Regulation & law · 14/09/2011
EPA Approves Air Quality Plans for Ohio and West Virginia, Declaring Four Areas Attainment of 1997 PM 2.5 Standard
The US Environmental Protection Agency (EPA) has finalized its determinations that four nonattainment areas in Ohio and West Virginia have met the 1997 annual average fine particulate matter standard, as required by the Clean Air Act.
Original source language: Federal Register — All DocumentsOpen original release →