40 CFR Chapter I - ENVIRONMENTAL PROTECTION AGENCY

Title 40 published on 2015-08-22

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

* Only displaying the most recent 50 entries for Title 40. Please, view a Part for the full list of changes within that Part.

  • 2017-04-25; vol. 82 # 78 - Tuesday, April 25, 2017
    1. 82 FR 18992 - Promulgation of State Implementation Plan Revisions; Infrastructure Requirements for the 2008 Lead, 2008 Ozone, 2010 NO 2, 2010 SO 2, and 2012 PM 2.5 National Ambient Air Quality Standards; Wyoming
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This rule is effective on May 25, 2017.
      40 CFR Part 52