EPA Announces the Redesignation of the Hillsborough County and the Hillsborough-Polk Areas for the 2010 1-Hour Sulfur Dioxide (SO2) Standard
All areas of Florida now in attainment for sulfur dioxide
EPA News Release: EPA Announces the Redesignation of the Hillsborough County and the Hillsborough-Polk Areas for the 2010 1-Hour Sulfur Dioxide (SO2) Standard