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Note: EPA no longer updates this information, but it may be useful as a reference or resource.

Please see www.epa.gov/nsr/ for the latest information on EPA's New Source Review program.

June 18, 1980 Old Sources Being Brought On Line - PSD Applicability 3.13

Generally, if a source has been shutdown for a time period of greater than two years and then restarted, it is considered a new source. An exception can be made if the State demonstrates the source was carried in the emission inventory during the time it was shutdown.

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