Annually by July 1, the vertical ventilation hole operator shall submit to the chief a status report of all permitted holes. When it is determined by the chief that a vertical ventilation hole is no longer used for the purpose for which it was permitted, the hole shall be plugged in accordance with 4VAC25-101-200 unless otherwise approved by the chief.
4 Va. Admin. Code § 25-101-220
Statutory Authority
§§ 45.1-161.3, 45.1-161.106, 45.1-161.121, 45.1-161.254 and 45.1-161.292 of the Code of Virginia.