Article V. Ventilation
- 52 P.S. PA ST Ch. 6, Art. V, Refs & Annos
- § 70–501. Operator or Superintendent to Provide and Maintain Constant and Adequate Supply of Pure Air for Each Mine
- § 70–502. Main Fans Installed on Surface; Auxiliary Fans Underground to be Fire Resistant
- § 70–503. Furnace Not to be Used to Ventilate Mine
- § 70–504. Minimum Quantity Provided—Two Hundred Cubic Feet Per Minute for Each Person
- § 70–505. Mine Foreman in Charge of Ventilation; Speed of Ventilators
- § 70–506. Ventilators to be Provided with Ventilating Pressure Recording Instruments
- § 70–507. Ventilating Currents Sufficient to Render Harmless All Gases
- § 70–508. Worked Out or Abandoned Parts of Mine to be Kept Free of Bodies of Gases
- § 70–509. Not More than Seventy-Five Persons Employed on One Split
- § 70–510. Inlet and Return Air Passages Separated by Pillar of Stone or Coal
- § 70–511. Air Passages Sufficient in Area to Allow Passage of Not Less than Two Hundred Cubic Feet of Air Per Minute Per Person
- § 70–512. Crosscuts Closed with Brick or Other Suitable Building Material
- § 70–513. Doors Hung so as to be Self-Closing
- § 70–514. Main Doors to Have Attendant
- § 70–515. Main Doors Placed to Prevent Temporary Stoppage of Air Current
- § 70–516. Extra Main Door Kept Standing Open
- § 70–517. Frame Work in Main Doors to be Secured in Stone; Brick to be Laid in Cement
- § 70–518. Air Bridges to be of Incombustible Material
- § 70–519. Line Brattice Used from Crosscut to Face
- § 70–520. Chamber, Breast Shall Have Crosscut at Face when Finished
- § 70–521. Quantities of Air Measured Weekly with Anemometer by Mine Foreman Recorded in Report Book; Report of Measurement Sent to Inspectors Before Twelfth of the Month for Preceding Month
- § 70–522. Face of Chamber, Breast Not to be Advanced More than Sixty Feet Beyond Last Open Crosscut
- § 70–523. Persons Failing to Comply with Provisions Guilty of Offense
- § 70–524. Sewage Dumping into Active Abandoned Mine Prohibited