---
kind: "section"
citation: "40 C.F.R. § 180.370"
title: "40"
number: "180.370"
heading: "5-Ethoxy-3-(trichloromethyl)-1,2,4-thiadiazole; tolerances for residues."
url: "https://uscodex.org/cfr/40/180.370"
---

# §180.370. 5-Ethoxy-3-(trichloromethyl)-1,2,4-thiadiazole; tolerances for residues.

- (a) **General.** Tolerances are established for residues of the fungicide etridiazole, including its metabolites and degradates, in or on the commodities in table 1 to this [paragraph (a)](#a). Compliance with the tolerance levels is to be determined by measuring only the residues of etridiazole, (5-ethoxy-3-(trichloromethyl)-1,2,4-thiadiazole), and its metabolite etridiazole acid, (3-carboxy-5-ethoxy-1,2,4-thiadiazole), calculated as the stoichiometric equivalent of etridiazole, in or on the commodity:
- (b) **Section 18 emergency exemptions.** [Reserved]
- (c) **Tolerances with regional registrations.** [Reserved]
- (d) **Indirect or inadvertent residues.** [Reserved]

## Notes

### Amendments

[47 FR 49845, Nov. 3, 1982, as amended at 48 FR 12088, Mar. 23, 1983; 63 FR 57076, Oct. 26, 1998; 72 FR 41931, Aug. 1, 2007; 73 FR 54961, Sept. 24, 2008; 81 FR 34905, June 1, 2016; 91 FR 8107, Feb. 20, 2026]

### Authority

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

### Source

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

### Amendments

[47 FR 49845, Nov. 3, 1982, as amended at 48 FR 12088, Mar. 23, 1983; 63 FR 57076, Oct. 26, 1998; 72 FR 41931, Aug. 1, 2007; 73 FR 54961, Sept. 24, 2008; 81 FR 34905, June 1, 2016; 91 FR 8107, Feb. 20, 2026]