---
kind: "section"
citation: "30 C.F.R. § 57.23001"
title: "30"
number: "57.23001"
heading: "Definitions."
url: "https://uscodex.org/cfr/30/57.23001"
---

# §57.23001. Definitions.


The following definitions apply in this subpart—

Responsible person means a person with authority and responsibility to evaluate and update a written safety program for surface mobile equipment.

Surface mobile equipment means wheeled, skid-mounted, track-mounted, or rail-mounted equipment capable of moving or being moved, and any powered equipment that transports people, equipment, or materials, excluding belt conveyors, at surface areas of underground metal and nonmetal mines.


## Notes

### Source

Source: 88 FR 87927, Dec. 20, 2023, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.