40 CFR Chapter I, Subchapter N - EFFLUENT GUIDELINES AND STANDARDS

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There are 656 Updates appearing in the Federal Register for Title 40. View below or at eCFR (GPOAccess)

Title 40 published on 2013-07-01

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.

  • 2014-07-23; vol. 79 # 141 - Wednesday, July 23, 2014
    1. 79 FR 42683 - Approval and Promulgation of Implementation Plans; Washington: Infrastructure Requirements for the 2008 Lead National Ambient Air Quality Standards
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      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective on August 22, 2014.
      40 CFR Part 52