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U.S. Department of Health and Human Services

CFR - Code of Federal Regulations Title 21

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The information on this page is current as of April 1 2018.

For the most up-to-date version of CFR Title 21, go to the Electronic Code of Federal Regulations (eCFR).

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Help | More About 21CFR
[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of April 1, 2018]
[CITE: 21CFR556.765]



TITLE 21--FOOD AND DRUGS
CHAPTER I--FOOD AND DRUG ADMINISTRATION
DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER E--ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS

PART 556 -- TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD

Subpart B--Specific Tolerances for Residues of New Animal Drugs

Sec. 556.765 Zilpaterol.

(a) Acceptable daily intake (ADI). The ADI for total residues of zilpaterol is 0.083 micrograms per kilogram of body weight per day.

(b) Tolerances --(1) Cattle --(i) Liver (the target tissue). The tolerance for zilpaterol (the marker residue) is 12 parts per billion (ppb).

(ii) Muscle. The tolerance for zilpaterol (the marker residue) is 10 ppb.

(2) [Reserved]

(c) Related conditions of use. See 558.665 of this chapter.

[71 FR 53005, Sept. 8, 2006, as amended at 81 FR 17608, Mar. 30, 2016]

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