StacksVerified U.S. regulatory reference

21 CFR §556.273

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)[Reserved]
  2. (b)Tolerances. The tolerance for famphur including its oxygen analog is:
    1. (1)Cattle. Edible tissues (excluding milk): 0.1 ppm.
    2. (2)[Reserved]
  3. (c)Related conditions of use. See §§ 520.1242g, 524.900, and 558.254 of this chapter.