On April 29, according to the U.S. Government Publishing Office, the three-page rule was published by the US Environmental Protection Agency and focused on Air Plan Approval; Wisconsin; Redesignation of the Revised Door County (Partial) Area to Attainment of the 2015 Ozone Standard. For more info, Visit EPA Newswire! #AirPlanApproval#RevisedDoorCounty#Ozone