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30 CFR 57.22208

§ 57.22208 Auxiliary fans (I-A, II-A, III, and V-A mines).

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

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30 CFR 57.22208, § 57.22208 Auxiliary fans (I-A, II-A, III, and V-A mines), United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/133234
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(a) Auxiliary fans, except fans used in shops and other areas which have been so designed that methane cannot enter the airway, shall be approved by MSHA under the applicable requirements of 30 CFR part 18, and be operated so that recirculation is minimized. Auxiliary fans shall not be used to ventilate work places during the interruption of normal mine ventilation. (b) Tests for methane shall be made at auxiliary fans before they are started.

Legislative history

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