---
kind: "section"
citation: "21 C.F.R. § 179.30"
title: "21"
number: "179.30"
heading: "Radiofrequency radiation for the heating of food, including microwave frequencies."
url: "https://uscodex.org/cfr/21/179.30"
---

# §179.30. Radiofrequency radiation for the heating of food, including microwave frequencies.


Radiofrequency radiation, including microwave frequencies, may be safely used for heating food under the following conditions:

- (a) The radiation source consists of electronic equipment producing radio waves with specific frequencies for this purpose authorized by the Federal Communications Commission.
- (b) The radiation is used or intended for use in the production of heat in food wherever heat is necessary and effective in the treatment or processing of food.

## Notes

### Authority

Authority: 21 U.S.C. 321, 342, 343, 348, 373, 374.

### Source

Source: 42 FR 14635, Mar. 15, 1977, unless otherwise noted.