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Virginia Administrative Code
Title 4. Conservation And Natural Resources
Agency 25. Department of Energy
Chapter 90. Regulations Governing the Use of Diesel-Powered Equipment in Underground Coal Mines
10/6/2024

4VAC25-90-10. Definitions.

The following words and terms when used in this chapter shall have the following meanings, unless the context clearly indicates otherwise:

"Chief" means the Chief of the Division of Mines of the Department of Energy.

"Division" means the Division of Mines of the Department of Energy.

"MSHA" means the Mine Safety and Health Administration.

"TLV" or "Threshold Limit Value" means the airborne concentration of a substance that represents conditions under which it is believed that nearly all workers may be repeatedly exposed day after day without adverse effect as recommended by the American Conference of Government Industrial Hygienists.

Statutory Authority

§ 45.2-103 of the Code of Virginia.

Historical Notes

Derived from VR480-05-9.2, Part I, eff. June 16, 1985; amended, Virginia Register Volume 7, Issue 5, eff. January 2, 1991; Volume 17, Issue 20, eff. July 18, 2001; Volume 38, Issue 13, eff. March 31, 2022.

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