---
kind: "section"
citation: "30 C.F.R. § 75.1900"
title: "30"
number: "75.1900"
heading: "Definitions."
url: "https://uscodex.org/cfr/30/75.1900"
---

# §75.1900. Definitions.


The following definitions apply in this subpart.

Diesel fuel tank. A closed metal vessel specifically designed for the storage or transport of diesel fuel.

Diesel fuel transportation unit. A self-propelled or portable wheeled vehicle used to transport a diesel fuel tank.

Noncombustible material. A material that will continue to serve its intended function for 1 hour when subjected to a fire test incorporating an ASTM E119-88 time/temperature heat input, or equivalent. The publication ASTM E119-88 “Standard Test Methods for Fire Tests of Building Construction and Materials” is incorporated by reference and may be inspected at any MSHA Coal Mine Safety and Health District Office; at MSHA's Office of Standards, Regulations, and Variances, 200 Constitution Avenue NW, Washington, DC 20210; 202-693-9440; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. [552(a)](/usc/5/552.md?p=a) and [1](/usc/5/1.md) CFR [part 51](/cfr/30/part51.md). In addition, copies of the document may be purchased from the American Society for Testing and Materials (ASTM), 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA, 19428-2959; 610-832-9500; http://www.astm.org.

Permanent underground diesel fuel storage facility. A facility designed and constructed to remain at one location for the storage or dispensing of diesel fuel, which does not move as mining progresses.

Safety can. A metal container intended for storage, transport or dispensing of diesel fuel, with a nominal capacity of 5 gallons, listed or approved by a nationally recognized independent testing laboratory.

Temporary underground diesel fuel storage area. An area of the mine provided for the short-term storage of diesel fuel in a fuel transportation unit, which moves as mining progresses.


## Notes

### Amendments

[35 FR 17890, Nov. 20, 1970, as amended at 67 FR 38386, June 4, 2002; 71 FR 16669, Apr. 3, 2006; 80 FR 52992, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]

### Source

Source: 61 FR 55527, Oct. 25, 1996, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811, 813(h), 957.

### Source

Source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.

### Amendments

[35 FR 17890, Nov. 20, 1970, as amended at 67 FR 38386, June 4, 2002; 71 FR 16669, Apr. 3, 2006; 80 FR 52992, Sept. 2, 2015; 91 FR 9448, Feb. 26, 2026]