40 CFR - Protection of Environment

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There are 233 Updates appearing in the Federal Register for Title 40. View below or at eCFR (GPOAccess)

Title 40 published on 2014-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-11-21; vol. 79 # 225 - Friday, November 21, 2014
    1. 79 FR 69374 - Approval and Promulgation of Air Quality Implementation Plans; Montana; Revisions to the Administrative Rules of Montana—Air Quality, Subchapter 7, Exclusion for De Minimis Changes; Final Rule
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective December 22, 2014.
      40 CFR Part 52

Title 40 published on 2014-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to Title 40 after this date.

  • 2014-11-21; vol. 79 # 225 - Friday, November 21, 2014
    1. 79 FR 69374 - Approval and Promulgation of Air Quality Implementation Plans; Montana; Revisions to the Administrative Rules of Montana—Air Quality, Subchapter 7, Exclusion for De Minimis Changes; Final Rule
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective December 22, 2014.
      40 CFR Part 52