---
kind: "section"
citation: "40 C.F.R. § 439.51"
title: "40"
number: "439.51"
heading: "Special definitions."
url: "https://uscodex.org/cfr/40/439.51"
---

# §439.51. Special definitions.


For the purpose of this subpart, product means products or services resulting from research and product development activities.


## Notes

### Amendments

[68 FR 12274, Mar. 13, 2003]

### Authority

Authority: 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342 and 1361.

### Source

Source: 48 FR 49821, Oct. 27, 1983, unless otherwise noted.

### Amendments

[68 FR 12274, Mar. 13, 2003]