yourstate.us
30 CFR 57.8532

§ 57.8532 Opening and closing ventilation doors.

United States · 30 CFR — Mineral Resources · Status: effective

Get this as JSONEmbed this
Cite this
Citation
30 CFR 57.8532, § 57.8532 Opening and closing ventilation doors, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/132869
Permanent ID
ys:prov:132869@1
SHA-256
856474d4d85921dc293e375cf3071d94513b539da26bc90cfde0ceaa02c5d638

The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.

Full text

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.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.