(a) General. Tolerances are established for combined residues of diflufenzopyr, 2-(1-[([3,5-difluorophenylamino] carbonyl)hydrazono]ethyl)-3- pyridinecarboxylic acid, and its metabolites convertible to 8- methylpyrido[2,3-d]pyridazin-5(6H)-one, expressed as diflufenzopyr, in or on the following raw agricultural commodities:
| Commodity | Parts per million |
|---|---|
| Corn, field, forage | 0.05 |
| Corn, field, grain | 0.05 |
| Corn, field, stover | 0.05 |
| Corn, pop, grain | 0.05 |
| Corn, pop, stover | 0.05 |
| Corn, sweet, forage | 0.05 |
| Corn, sweet, kernel plus cob with husks removed | 0.05 |
| Corn, sweet, stover | 0.05 |
| Grass, forage | 22.0 |
| Grass, hay | 7.0 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[64 FR 4308, Jan. 28, 1999, as amended at 67 FR 55338, Aug. 29, 2002; 76 FR 34886, June 15, 2011]