(a) General. Tolerances are established for residues of the inert ingredient cloquintocet-mexyl, including its metabolites and degradates, in or on the commodities in the following table when used as a safener in pesticide formulations containing the active ingredients clodinafop-propargyl (wheat only), dicamba (wheat only), flucarbazone-sodium (wheat only), halauxifen-methyl (wheat or barley), pinoxaden (wheat or barley), pyroxsulam (wheat or teff), florasulam (teff), or fluroxypyr 1-methylheptyl ester (teff). Compliance with the tolerance levels specified is to be determined by measuring the combined residues of cloquintocet-mexyl, (acetic acid [(5-chloro-8-quinolinyl)oxy]-, 1-methylhexyl ester; CAS Reg. No. 99607-70-2) and its acid metabolite (5-chloro-8-quinolinoxyacetic acid), expressed as cloquintocet-mexyl, in or on the following commodities:
| Commodity | Parts per million |
|---|---|
| Barley, grain | 0.1 |
| Barley, hay | 0.1 |
| Barley, straw | 0.1 |
| Teff, forage1 | 0.2 |
| Teff, grain1 | 0.1 |
| Teff, hay1 | 0.5 |
| Teff, straw1 | 0.1 |
| Wheat, forage | 0.2 |
| Wheat, grain | 0.1 |
| Wheat, hay | 0.5 |
| Wheat, straw | 0.1 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[65 FR 38764, June 22, 2000, as amended at 70 FR 74688, Dec. 16, 2005; 73 FR 11820, Mar. 5, 2008; 75 FR 16020, Mar. 31, 2010; 76 FR 38035, June 29, 2011; 81 FR 50634, Aug. 2, 2016; 82 FR 14623, Mar. 22, 2017; 83 FR 45843, Sept. 11, 2018]