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Title V permits, also called Operating Permits, are required under the Clean Air Act and are issued to all major sources of air pollution and to a limited number of smaller sources. Most Operating Permits are issued at the state or local level, although a few are issued by federal EPA (Part 71 permits). Permits include pollution control requirements from federal or state regulations that apply to a source.
Operating permits issued at the state level are known as Part 70 permits. State and local authorities have the primary responsibility to oversee part 70 permitting programs, including reviewing permit applications and issuing permits.
Title V permits are required for all major sources that:
Non-major sources may be required to obtain a Title V permit if the source:
In addition, chemical manufacturing and municipal solid waste landfills may need Title V permits.
Indiana’s requirements regarding clean air operating permits include some regulatory information beyond the federal requirements. A summary of the additional requirements includes:
Fees: Permit fees apply
Thresholds: Indiana has developed a State operating permit program that is enforceable by federal EPA and allows sources to limit their air emissions to below the Title V threshold levels. A Federally Enforceable State Operating Permit (FESOP) permit can provide more operational flexibility. Many sources seek a FESOP to limit their emissions and not be subject to the Title V program.
Differences in regions: Check to see if your area is in attainment or non-attainment with federal air quality standards, which can affect permitting decisions.