---
kind: "section"
citation: "6 U.S.C. § 488"
title: "6"
title_heading: "Domestic Security"
number: "488"
heading: "Definitions"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/6/488"
units:
  - "Chapter 1 — Homeland Security Organization"
  - "Subchapter VIII — Coordination with Non-Federal Entities; Inspector General; United States Secret Service; Coast Guard; General Provisions"
  - "Part J — Secure Handling of Ammonium Nitrate"
---

# §488. Definitions


In this part:

- (1) **Ammonium nitrate—** The term “ammonium nitrate” means—
  - (A) solid [ammonium nitrate](#1) that is chiefly the ammonium salt of nitric acid and contains not less than 33 percent nitrogen by weight; and
  - (B) any mixture containing a percentage of [ammonium nitrate](#1) that is equal to or greater than the percentage determined by the [Secretary](/usc/6/101.md?p=16) under [section 488a(b) of this title](/usc/6/488a.md?p=b).
- (2) **Ammonium nitrate facility—** The term “ammonium nitrate facility” means any [entity](/usc/6/301c.md?p=2) that produces, sells or otherwise transfers ownership of, or provides application services for [ammonium nitrate](#1).
- (3) **Ammonium nitrate purchaser—** The term “ammonium nitrate purchaser” means any person who purchases [ammonium nitrate](#1) from an [ammonium nitrate facility](#2).

## Source credit

(Pub. L. 107–296, title VIII, § 899A, as added Pub. L. 110–161, div. E, title V, § 563(a), Dec. 26, 2007, 121 Stat. 2083.)