21 CFR 556.420 - Monensin.

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There are 2 Updates appearing in the Federal Register for 21 CFR 556. View below or at eCFR (GPOAccess)
§ 556.420 Monensin.
(a) Acceptable daily intake (ADI). The ADI for total residues of monensin is 12.5 micrograms per kilogram of body weight per day.
(b) Tolerances. The tolerances for residues of monensin are:
(1) Cattle—
(i) Liver. 0.10 part per million (ppm).
(ii) Muscle, kidney, and fat. 0.05 ppm.
(iii) Milk. Not required.
(2) Goats—
(i) Edible tissues. 0.05 ppm.
(ii) [Reserved]
(3) Chickens, turkeys, and quail. A tolerance for residues of monensin in chickens, turkeys, and quail is not required.
(c) Related conditions of use. See §§ 520.1448 and 558.355 of this chapter.
[64 FR 5159, Feb. 3, 1999, as amended at 69 FR 68783, Nov. 26, 2004; 72 FR 56897, Oct. 5, 2007]

Title 21 published on 2014-04-01

The following are only the Rules published in the Federal Register after the published date of Title 21.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37617 - New Animal Drugs; Afoxalaner; Ceftiofur Crystalline Free Acid; Chloramine-T; Clodronate; Enrofloxacin; Eprinomectin; Fluralaner; Ivermectin and Praziquantel; Niclosamide; Ractopamine; Tylosin; Change of Sponsor's Address
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective July 2, 2014.
      21 CFR Parts 510, 520, 522, 529, 556, and 558

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United States Code

Title 21 published on 2014-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR 556 after this date.

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37617 - New Animal Drugs; Afoxalaner; Ceftiofur Crystalline Free Acid; Chloramine-T; Clodronate; Enrofloxacin; Eprinomectin; Fluralaner; Ivermectin and Praziquantel; Niclosamide; Ractopamine; Tylosin; Change of Sponsor's Address
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective July 2, 2014.
      21 CFR Parts 510, 520, 522, 529, 556, and 558