---
kind: "section"
citation: "40 C.F.R. § 60.231"
title: "40"
number: "60.231"
heading: "Definitions."
url: "https://uscodex.org/cfr/40/60.231"
---

# §60.231. Definitions.


As used in this subpart, all terms not defined herein shall have the meaning given them in the Act and in subpart A of this part.

- (a) Triple superphosphate plant means any facility manufacturing triple superphosphate by reacting phosphate rock with phosphoric acid. A run-of-pile triple superphosphate plant includes curing and storing.
- (b) Run-of-pile triple superphosphate means any triple superphosphate that has not been processed in a granulator and is composed of particles at least 25 percent by weight of which (when not caked) will pass through a 16 mesh screen.
- (c) Total fluorides means elemental fluorine and all fluoride compounds as measured by reference methods specified in [§ 60.234](/cfr/40/60.234.md), or equivalent or alternative methods.
- (d) **Equivalent P—** 2O5 feed means the quantity of phosphorus, expressed as phosphorus pentoxide, fed to the process.

## Notes

### Amendments

[40 FR 33156, Aug. 6, 1975]

### Authority

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

### Source

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

### Amendments

[40 FR 33156, Aug. 6, 1975]