Skip to main content
Find a Lawyer

Code of Federal Regulations Title 30. Mineral Resources § 30.57.22207 Booster fans (I–A, II–A, III, and V–A mines)

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Booster fans shall be approved by MSHA under the applicable requirements of 30 CFR part 18, and be—

(1) Provided with an automatic signal device located so that it can be seen or heard by a person designated by the mine operator to give an alarm when the fan stops or when methane reaches the following levels:

(i) 1.0 percent at the fan in Subcategory I–A, Category III, and Subcategory V–A mines;  and

(ii) 0.5 percent at the fan in Subcategory II–A mines.

(2) Equipped with a device that automatically deenergizes power in affected workings should the fan stop;  and

(3) Equipped with starting and stopping controls located at the fan and at another accessible remote location.

(b) Booster fan installations, except for booster fans installed in ducts, shall be—

(1) Provided with doors which open automatically when all fans in the installation stop;  and

(2) Provided with an air lock when passage through the fan bulkhead is necessary.

Previous Part of Code Next Part of Code
Back to Chapter List

Cite this article: FindLaw.com - Code of Federal Regulations Title 30. Mineral Resources § 30.57.22207 Booster fans (I–A, II–A, III, and V–A mines) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-30-mineral-resources/cfr-sect-30-57-22207/

FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.

Was this helpful?

Welcome to FindLaw's Cases & Codes

A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.

Go to Learn About the Law

Latest Blog Posts

For Legal Professionals

Learn About The Law

Get help with your legal needs

FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.

Go to Learn About the Law

Need to Find an Attorney?

Search our directory by legal issue

Enter information in one or both fields (Required)

Copied to clipboard