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30 CFR 57.22209

§ 57.22209 Auxiliary fans (I-C mines).

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

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30 CFR 57.22209, § 57.22209 Auxiliary fans (I-C mines), United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/133235
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Full text

Electric auxiliary fans shall be approved by MSHA under the applicable requirements of 30 CFR part 18. Tests for methane shall be made at electric auxiliary fans before they are started. Such fans shall not be operated when air passing over or through them contains 0.5 percent or more methane.

Legislative history

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