Article 4: Ventilation, Mine Gases, and Other Hazardous Conditions

This article is comprised of the following sections:

§45.2-826  Pre-shift examinations
§45.2-827  On-shift examinations
§45.2-828  Weekly examinations
§45.2-829  Examinations of fans
§45.2-830  Record of examinations
§45.2-831  Notice of hazardous conditions
§45.2-832  Notice of monitor tampering prohibition
§45.2-833  Main fans
§45.2-834  Fan stoppage plan
§45.2-835  Auxiliary fans
§45.2-836  Quantity of air
§45.2-837  Bleeder systems
§45.2-838  Coursing of air
§45.2-839  Actions for excessive methane
§45.2-840  Crosscuts
§45.2-841  Permanent stoppings
§45.2-842  Ventilation controls
§45.2-843  Line brattice
§45.2-844  Ventilation with air from certain areas
§45.2-845  Worked-out areas
§45.2-846  Air quality
§45.2-847  Examination of mine for explosive gas and other hazardous conditions
§45.2-848  Tampering with methane monitoring devices prohibited; penalty
§45.2-849  Allowing persons to work in mine where methane monitoring equipment disconnected; penalty
§45.2-850  Intentionally bypassing a safety device; prohibition
§45.2-851  Control of coal dust
§45.2-852  Rock dusting
