---
kind: "section"
citation: "40 C.F.R. § 180.300"
title: "40"
number: "180.300"
heading: "Ethephon; tolerances for residues."
url: "https://uscodex.org/cfr/40/180.300"
---

# §180.300. Ethephon; tolerances for residues.

- (a) **General.** Tolerances are established for residues of the plant regulator ethephon [(2-chloroethyl) phosphonic acid] in or on food commodities as follows:
- (b) **Section 18 emergency exemptions.** [Reserved]
- (c) **Tolerances with regional registrations.** A tolerance with regional registration, as defined in [§ 180.1(m)](/cfr/40/180.1.md?p=m), of 0.1 part per million is established for residues of the plant regulator ethephon [(2-chloroethyl)phosphonic acid] in or on the food commodity sugarcane.
- (d) **Indirect or inadvertent residues.** [Reserved]

## Notes

### Amendments

[65 FR 33710, May 24, 2000, as amended at 72 FR 53455, Sept. 19, 2007; 75 FR 56015, Sept. 15, 2010; 80 FR 72598, Nov. 20, 2015]

### Authority

Authority: 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.

### Amendments

[65 FR 33710, May 24, 2000, as amended at 72 FR 53455, Sept. 19, 2007; 75 FR 56015, Sept. 15, 2010; 80 FR 72598, Nov. 20, 2015]