Document ID: FDA-2009-P-0405-0016
Agency: fda
Document Type: Supporting & Related Material
Title: 
Posted Date: 2009-09-30T04:00Z

Code of Federal Regulations]

[Title 21, Volume 6]

[Revised as of April 1, 2008]

[CITE: 21CFR556.428]

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

  HYPERLINK
"http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?C
FRPart=556"  PART 556 -- TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN
FOOD  

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

Sec. 556.428 Narasin. 

(a)Acceptable daily intake (ADI) . The ADI for total residues of narasin
is 5 micrograms per kilogram of body weight per day.

(b)Tolerances --(1)Chickens (abdominal fat ). The tolerance for parent
narasin (the marker residue) is 480 parts per billion.

(2) [Reserved]

[66 FR 23589, May 9, 2001]