Ohio EPA reminds regulated entities that the 1990 federal Clean Air Act Amendments established new permitting and reporting requirements for air polluting facilities. Under Title V of the amendments, facilities that have the potential to emit certain amounts of air pollution are required to apply for and obtain a state-federal operating permit and pay emission fees. In Ohio, facilities are categorized into three types for purposes of deciding which reports are required to be filed on April 15 each year.  A site is either Title V or Non-Title V.  Your facility type in turn determines the level of detail, the reporting mechanism for reporting facility-wide emissions, pollutants included, and the amount of fees that are charged.  It also determines whether or not an Emissions Inventory and/or an Emissions Statement is required to be filed simultaneously.  See more at the Ohio EPA website.