Virginia Administrative Code
Title 4 - CONSERVATION AND NATURAL RESOURCES
Agency 25 - DEPARTMENT OF ENERGY
Chapter 40 - SAFETY AND HEALTH REGULATIONS FOR MINERAL MINING
Part XV - Safety and Health Regulations-Underground Only
Article 11 - Gassy Mines
Section 4VAC25-40-5270 - Measurement of air quantities
Universal Citation: 4 VA Admin Code 4VAC25-40-5270
Current through Register Vol. 41, No. 3, September 23, 2024
At least once each week, a certified foreman shall measure the volume of air entering the main intakes and leaving the main returns, the volume of the intake and return of each split, and the volume through the last open crosscuts or other ventilation openings nearest the active faces. Records of such measurements shall be kept in a book on the surface.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
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