---
kind: "section"
citation: "30 C.F.R. § 75.400-1"
title: "30"
number: "75.400-1"
heading: "Definitions."
url: "https://uscodex.org/cfr/30/75.400-1"
---

# §75.400-1. Definitions.

- (a) The term coal dust means particles of coal that can pass a No. 20 sieve.
- (b) The term float coal dust means the coal dust consisting of particles of coal that can pass a No. 200 sieve.
- (c) The term loose coal means coal fragments larger in size than coal dust.

## Notes

### Authority

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

### Source

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