Regulatory Text
30 C.F.R. § 57.8531 — Construction and maintenance of ventilation doors.
§ 57.8531 Construction and maintenance of ventilation doors. Ventilation doors shall be— (a) Substantially constructed; (b) Covered with fire-retardant material, if constructed of wood; (c) Maintained in good condition; (d) Self-closing, if manually operated; and (e) Equipped with audible or visual warning devices, if mechanically operated.
Source: ecfr.gov · govinfo.gov — public domain
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Root-LD Entity Data
◈ Machine-Readable Provenance Record
Root-LD v1.0 · boisestandard.org
Federation ID
BS-CFR30-SEC-F83AAE
Entity Class
REGULATION / FEDERAL-CFR-SECTION
Domain Signature
boisestandard.org
Citation
30 C.F.R. § 57.8531
Corpus
CFR — Code of Federal Regulations
Status
✓ ACTIVE
Source
PRIMARY-SOURCE
Source Verified
✓ TRUE
Content Hash
0ddb10acae647c64...
Semantic Edges
Pending — corpus passes queued
The regulatory text of 30 C.F.R. § 57.8531 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
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Title 30 — Mineral Resources
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30 C.F.R. — public domain
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