Regulations last checked for updates: May 02, 2025

Title 40 - Protection of Environment last revised: Nov 02, 2025
All TitlesTitle 40Chapter IPart 51Subpart Q - Subpart Q—Reports
View all text of Subpart Q [§ 51.320 - § 51.328]
§ 51.320 - Annual air quality data report.

The requirements for reporting air quality data collected for purposes of the plan are located in subpart C of part 58 of this chapter.

authority: 23 U.S.C. 101; 42 U.S.C. 7401-7671q.
source: 36 FR 22398, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 51.320
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