Title 30

SECTION 57.22209

57.22209 Auxiliary fans (I-C mines).

§ 57.22209 Auxiliary fans (I-C mines).

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.

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