21 C.F.R. § 556.640
Sulfadimethoxine.
Cite as 21 C.F.R. § 556.640 (2026)
(a) [Reserved]
(b)
Tolerances.
The tolerances for sulfadimethoxine are:
(1)
Catfish and salmonids.
Edible tissues: 0.1 ppm.
(2)
Cattle.
(i) Edible tissues (excluding milk): 0.1 ppm.
(ii) Milk: 0.01 ppm.
(3)
Chickens, turkeys, ducks, and chukar partridges.
Edible tissues (excluding eggs): 0.1 ppm.
(c)
Related conditions of use.
See §§ 520.2220a, 520.2220d, 520.2220e, 522.2220, and 558.575 of this chapter.
- Cross-references to the CFR
- 520.2220a