---
kind: "section"
citation: "40 C.F.R. § 60.401"
title: "40"
number: "60.401"
heading: "Definitions."
url: "https://uscodex.org/cfr/40/60.401"
---

# §60.401. Definitions.

- (a) Phosphate rock plant means any plant which produces or prepares phosphate rock product by any or all of the following processes: Mining, beneficiation, crushing, screening, cleaning, drying, calcining, and grinding.
- (b) Phosphate rock feed means all material entering the process unit, including moisture and extraneous material as well as the following ore minerals: Fluorapatite, hydroxylapatite, chlorapatite, and carbonateapatite.
- (c) Dryer means a unit in which the moisture content of phosphate rock is reduced by contact with a heated gas stream.
- (d) Calciner means a unit in which the moisture and organic matter of phosphate rock is reduced within a combustion chamber.
- (e) Grinder means a unit which is used to pulverize dry phosphate rock to the final product size used in the manufacture of phosphate fertilizer and does not include crushing devices used in mining.
- (f) Ground phosphate rock handling and storage system means a system which is used for the conveyance and storage of ground phosphate rock from grinders at phosphate rock plants.
- (g) Beneficiation means the process of washing the rock to remove impurities or to separate size fractions.

## Notes

### Amendments

[47 FR 16589, Apr. 16, 1982, as amended at 65 FR 61760, Oct. 17, 2000]

### Source

Source: 47 FR 16589, Apr. 16, 1982, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.

### Amendments

[47 FR 16589, Apr. 16, 1982, as amended at 65 FR 61760, Oct. 17, 2000]