Agencies | Governor
Virginia Regulatory Town Hall
Department of Energy
Department of Energy
Rules and Regulations Governing the Use of Diesel Powered Equipment in Underground Coal Mines [4 VAC 25 ‑ 90]
Guidance Documents
Chapter Information
Description The regulation sets forth requirements for operation and maintenance, ventilation, air quality, fire protection, and fuel for diesel engines being used in underground coal mining.
State Authority Virginia Code Sections 45.1-161.3 , 45.1-161.106 , 45.1-161.206
Federal Authority None entered
Exempt from APA No, changes to this chapter are subject to the Administrative Process Act.
Text of Regulation Link to Virginia Administrative Code
Goals of Regulation 1.) To reduce the exposure of underground coal miners to the harmful constituents of diesel exhaust.
2.) To provide for safe operation of underground diesel powered equipment.
3.) To provide for safe storage and handling of diesel fuel in underground coal mines.
4.) To encourage more productive coal mines.
Meetings See all meetings (1) relating to this chapter.

Contact Information
Name / Title: Michael Skiffington  / Regulatory Coordinator
Address: Department of Energy
1100 Bank Street, 8th Floor
Richmond, VA 23219-3402
Email Address:
Telephone: (804)692-3212    FAX: (804)692-3237    TDD: (800)828-1120
Current Actions
Action Title Latest Stage Status

Past Actions
Action Title Latest Stage Status
Regulatory action to reflect agency name change and recodification of Title 45.1 Fast-Track Stage complete. This regulation became effective on 03/31/2022.
Technical amendments resulting from periodic review Fast-Track Stage complete. This regulation became effective on 07/19/2012.
Amendments to Existing Regulation Final Stage complete. This regulation became effective on 07/18/2001.

Withdrawn Actions
Action Title Latest Stage Status
Amendments to Existing Regulation NOIRA Stage withdrawn on 01/01/1900 before the comment period ended.

Periodic Reviews
Last Activity Status
7/30/2020 Completed Retain As Is
12/21/2016 Completed Retain As Is
4/19/2011 Completed Amend
9/28/2007 Completed Retain As Is