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21 U.S.C. 321(q), 346a and 371.
36 FR 22540, Nov. 25, 1971, unless otherwise noted.
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Nomenclature changes to part 180 appear at 62 FR 66023, Dec. 17, 1997.
Nomenclature changes to subpart C of part 180 appear at 67 FR 41803, June 19, 2002; 67 FR 42393, June 21, 2002; 68 FR 39430, July 1, 2003; 71 FR 74804, Dec. 13, 2006; 72 FR 53137, Sept. 18, 2007; 72 FR 61536, Oct. 31, 2007; 73 FR 60155, Oct. 10, 2008; 75 FR 56014, Sept. 15, 2010; and 76 FR 34885, June 15, 2011.
(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). 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:
| Commodity | Parts per million |
|---|---|
| Cotton, gin byproducts | 0.1 |
| Cotton, undelinted seed | 0.1 |
| Tomato1 | 0.15 |
| Tomato | 0.1 |
| 1 This tolerance expires on August 19, 2026. | |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[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]