Regulations last checked for updates: Oct 02, 2026

Title 40 - Protection of Environment last revised: Sep 29, 2026
All TitlesTitle 40Chapter IPart 62Subpart NN - Subpart NN—Pennsylvania
View all text of Subpart NN [§ 62.9600 - § 62.9695]
§ 62.9661 - Identification of sources.

The plan applies to all Allegheny County, Pennsylvania existing HMIWI for which construction was commenced on or before June 20, 1996.

authority: 42 U.S.C. 7401
cite as: 40 CFR 62.9661
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