[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of January 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR556.100]

[Page 340]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 556--TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD--Table of Contents
 
     Subpart B--Specific Tolerances for Residues of New Animal Drugs
 
Sec.  556.100  Carbadox.

    A tolerance of 30 parts per billion is established for residues of 
quinoxaline-2-carboxylic acid (marker residue) in liver (target tissue) 
of swine.

[63 FR 13337, Mar. 19, 1998]