Regulations most recently checked for updates: Aug 27, 2025
(a) [Reserved]
(b) Tolerances. The tolerance for famphur including its oxygen analog is:
(1) Cattle. Edible tissues (excluding milk): 0.1 ppm.
(2) [Reserved]
(c) Related conditions of use. See §§ 520.1242g, 524.900, and 558.254 of this chapter.
