About GPO   |   Newsroom/Media   |   Congressional Relations   |   Inspector General   |   Careers   |   Contact   |   askGPO   |   Help  
 
Home   |   Customers   |   Vendors   |   Libraries  

The Electronic Code of Federal Regulations (e-CFR) is a regularly updated, unofficial editorial compilation of CFR material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Printing Office.

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.

[2]
 
 

Electronic Code of Federal Regulations

e-CFR Data is current as of November 20, 2014

Title 40Chapter ISubchapter CPart 51Subpart N → §51.261


Title 40: Protection of Environment
PART 51—REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS
Subpart N—Compliance Schedules


§51.261   Final compliance schedules.

(a) Unless EPA grants an extension under subpart R, compliance schedules designed to provide for attainment of a primary standard must—

(1) Provide for compliance with the applicable plan requirements as soon as practicable; or

(2) Provide for compliance no later than the date specified for attainment of the primary standard under;

(b) Unless EPA grants an extension under subpart R, compliance schedules designed to provide for attainment of a secondary standard must—

(1) Provide for compliance with the applicable plan requirements in a reasonable time; or

(2) Provide for compliance no later than the date specified for the attainment of the secondary standard under §51.110(c).



For questions or comments regarding e-CFR editorial content, features, or design, email ecfr@nara.gov.
For questions concerning e-CFR programming and delivery issues, email webteam@gpo.gov.