Regulations last checked for updates: Jan 30, 2025

Title 40 - Protection of Environment last revised: Nov 08, 2025
All TitlesTitle 40Chapter IPart 62Subpart NN - Subpart NN—Pennsylvania
View all text of Subpart NN [§ 62.9600 - § 62.9690]
§ 62.9646 - Identification of plan—negative declaration.

Letter from the City of Philadelphia, Department of Public Health, submitted February 9, 2001, certifying that there are no existing small municipal waste combustion units within the City of Philadelphia, Pennsylvania that are subject to 40 CFR part 60, subpart BBBB.

authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.
cite as: 40 CFR 62.9646
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