---
kind: "section"
citation: "30 C.F.R. § 57.8532"
title: "30"
number: "57.8532"
heading: "Opening and closing ventilation doors."
url: "https://uscodex.org/cfr/30/57.8532"
---

# §57.8532. Opening and closing ventilation doors.


When ventilation control doors are opened as a part of the normal mining cycle, they shall be closed as soon as possible to re-establish normal ventilation to working places.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.