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DOL/MSHA RIN: 1219-AB97 Publication ID: Fall 2022 
Title: ●Radon Progeny 

The Mine Safety and Health Administration proposes to amend existing standards to address the issues related to radon progeny for metal and nonmetal miners.  Under the existing standards, metal and nonmetal miners’ exposures to radon are limited to 1.0 working level (WL) in active workings, and 4 working level month (WLM) in any calendar year.  The proposed rule would reduce radiation exposure in all underground metal and nonmetal mines to protect miners from developing radiation-induced cancer.

Agency: Department of Labor(DOL)  Priority: Substantive, Nonsignificant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Long-Term Actions 
Major: Undetermined  Unfunded Mandates: No 
CFR Citation: 30 CFR 57.5037 through 57.5047   
Legal Authority: 30 U.S.C. 811   
Legal Deadline:  None
Action Date FR Cite
NPRM  To Be Determined 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: None 
Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
S. Aromie Noe
Director, Office of Standards, Regulations, and Variances
Department of Labor
Mine Safety and Health Administration
201 12th Street S, Suite 401,
Arlington, VA 22202
Phone:202 693-9440
Fax:202 693-9441