Code of Virginia

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Code of Virginia
Title 45.1. Mines and Mining
Chapter 14.3. Requirements Applicable to Underground Coal Mines

§ 45.1-161.235. (Repealed effective October 1, 2021) Rock dusting.

A. All underground areas of a mine, except those areas where the coal dust is too wet or too high in incombustible content to propagate an explosion, shall be rock dusted to within forty feet of all working faces, unless such areas are inaccessible or unsafe to enter or unless the Chief, or his authorized representative, permits an exception upon his finding that such exception will not pose a hazard to the miners. All crosscuts that are less than forty feet from working faces shall also be rock dusted.

B. All other areas of a mine shall be rock dusted if conditions are found to be so dusty as to constitute a hazard after proper inspection. Should such conditions be found to exist, the Chief, or his authorized representative, shall require the necessary rock dusting to make the areas of the mine safe.

C. Coal dust, including float coal dust deposited on rock-dusted surfaces, loose coal, and other combustible materials shall be cleaned up and not be permitted to accumulate excessively in active workings, or on electric equipment therein.

Code 1950, § 45-77; 1954, c. 191; 1966, c. 594, § 45.1-67; 1978, c. 120; 1994, c. 28; 1999, c. 256.

The chapters of the acts of assembly referenced in the historical citation at the end of this section may not constitute a comprehensive list of such chapters and may exclude chapters whose provisions have expired.