Section 10. Definitions

Latest version.

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 Mines, Minerals and Energy.

"Division" means the Division of Mines of the Department of Mines, Minerals and 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.

Historical Notes

Derived from VR480-05-9.2, Part I, eff. June 16, 1985; amended, Volume 07, Issue 05, eff. January 2, 1991; Volume 17, Issue 20, eff. July 18, 2001.

Statutory Authority

§§ 45.1-161.3, 45.1-161.106 and 45.1-161.206 of the Code of Virginia.

                    
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