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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.

March 10, 1980 Emission Offset Requirements in Secondary Standard Total Suspended Particulate Plans 25.4

Emission offset requirements are detailed for TSP nonattainment areas violating the secondary standard only. If the Federal offset policy expires, no major new sources may be permitted to commence construction prior to development and approval of a SIP revision for an area violating the secondary standard only.

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