Petition for Modification of Application of Existing Mandatory Safety Standards

Mine Safety and Health Administration, Labor.

This notice is a summary of a petition for modification submitted to the Mine Safety and Health Administration (MSHA) by ACNR Holdings, Inc.

All comments on the petition must be received by MSHA's Office of Standards, Regulations, and Variances on or before May 19, 2025.

You may submit comments identified by Docket No. MSHA-2025-0045 by any of the following methods:

1. Federal eRulemaking Portal: https://www.regulations.gov. Follow the instructions for submitting comments for MSHA-2025-0045.

2. Fax: 202-693-9441.

3. Email: [email protected].

4. Regular Mail or Hand Delivery: MSHA, Office of Standards, Regulations, and Variances, Room C3522, 200 Constitution Ave. NW, Washington, DC 20210.

Attention: S. Aromie Noe, Director, Office of Standards, Regulations, and Variances. Persons delivering documents are required to check in at the receptionist's desk. Individuals may inspect copies of the petition and comments during normal business hours at the address listed above. Before visiting MSHA in person, call 202-693-9455 to make an appointment.