Regulations last checked for updates: Jan 14, 2026

Title 40 - Protection of Environment last revised: Dec 31, 2026
All TitlesTitle 40Chapter IPart 98Subpart ZZ - Subpart ZZ—Ceramics Manufacturing
View all text of Subpart ZZ [§ 98.520 - § 98.528]
§ 98.528 - Definitions.

All terms used of this subpart have the same meaning given in the Clean Air Act and subpart A of this part.

authority: 42 U.S.C. 7401-7671q.
source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.
cite as: 40 CFR 98.528
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