Home
gpo.gov
govinfo.gov
e-CFR Navigation Aids
Browse
Simple Search
Advanced Search
— Boolean
— Proximity
Search History
Search Tips
Corrections
Latest Updates
User Info
FAQs
Agency List
Incorporation By Reference
Related Resources
The Code of Federal Regulations (CFR) annual edition is the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government produced by the Office of the Federal Register (OFR) and the Government Publishing Office.
Download the Code of Federal Regulations in XML.
Download the Electronic Code of Federal Regulations in XML.
Monthly Title and Part user viewing data for the e-CFR is available for download in CSV format.
Parallel Table of Authorities and Rules for the Code of Federal Regulations and the United States Code Text | PDF
Find, review, and submit comments on Federal rules that are open for comment and published in the Federal Register using Regulations.gov.
Purchase individual CFR titles from the U.S. Government Online Bookstore.
Find issues of the CFR (including issues prior to 1996) at a local Federal depository library.
[A2]
|
|
Electronic Code of Federal Regulations
e-CFR data is current as of December 10, 2019
|
Title 40: Protection of Environment
PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
Subpart CC—Provisions for Implementation of the 2015 Ozone National Ambient Air Quality Standards
§51.1313 Section 182(f) NOX exemption provisions.(a) A person or a state may petition the Administrator for an exemption from NOX obligations under CAA section 182(f) for any area designated nonattainment for a specific ozone NAAQS and for any area in a CAA section 184 ozone transport region. (b) The petition must contain adequate documentation that the criteria in CAA section 182(f) are met. (c) A CAA section 182(f) NOX exemption granted for a prior ozone NAAQS does not relieve the area from any NOX obligations under CAA section 182(f) for a current ozone NAAQS.
[83 FR 63033, Dec. 6, 2018]
|