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National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart W: Standards for Radon Emissions From Operating Uranium Mill Tailings: Review

a.k.a. NESHAP for Operating Uranium Mill Tailings - Amendments (Subpart W)

RIN: 2060-AP26 (What's this?)

Docket No.: Not yet available (What's this?)

Current Phase: Proposal (What's this?)

National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart W protects human health and the environment by setting radon emission standards and work practices for operating uranium mill tailings impoundments. The EPA is in the process of reviewing this standard. If necessary, the Agency will revise the NESHAP requirements for radon emissions from operating uranium mill tailings.


NPRM: Sent to OMB for Regulatory Review06/07/2013
NPRM: Received by OMB06/10/2013
NPRM: Regulatory Review Concluded01/13/2014
NPRM: Published in FR05/02/2014
NPRM: Comment Period Open05/02/2014
NPRM: Comment Period Extension Published in FR07/21/2014
NPRM: Comment Period Closed07/31/2014
NPRM: Comment Period Closed with Extension10/29/2014
Final Rule: Published in FR04/2016 (projected)

Potential Effects

Children's Health
This rule is likely to address an adverse impact on childhood lifestages, including prenatal (via exposure to women of childbearing age). The potential adverse impacts are expected to be due to exposure (i.e., children and/or women of childbearing age are more likely to be highly exposed than other lifestages).

Environmental Justice
This rulemaking involves a topic that is likely to be of particular interest to or have particular impact upon minority, low-income, tribal, and/or other vulnerable populations because:

  • This topic is likely to affect the availability of information to vulnerable populations.

State Governments
Likely to be regulated by this rule.
Likely to be involved in the implementation of this rule.

Tribal Governments
Likely to be regulated by this rule.
Likely to be involved in the implementation of this rule.

Participate / Learn More Regulatory Review

Some of EPA's rulemakings undergo regulatory review (What's this?), as prescribed by Executive Order 12866 and coordinated by the Office of Management and Budget (OMB). The following list describes which of this rulemaking's stages have completed review and published in the Federal Register, if any, and provides links to the review documents where available. Consult the "Timeline" section of this Web page for the dates of each review.

  • NPRM - No Information Available.
Citations & Authorities

Federal Register Citations

Code of Federal Regulations (CFR) Citation
40 CFR 61

Legal Authority
42 U.S.C. 7401 et seq. Clean Air Act


This site provides summaries of priority rulemakings and priority retrospective reviews of existing regulations. We update most of the site at the beginning of each month, though some data is updated more frequently if it is time sensitive. The information on this site is not intended to and does not commit EPA to specific conclusions or actions. For example, after further analysis, EPA may decide the effects of a rule would be different or it may decide to terminate a rulemaking.

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