['Specialized Industries']

['Mining']

04/14/2026

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REGSENSE
Topic Search
Specialized Industries - Mining

§57.8532 Opening and closing ventilation doors.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

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.

['Specialized Industries']

['Mining']

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