[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR556.163]

[Page 338]
 
                        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. 556.163  Clorsulon.

    Tolerances are established for residues of clorsulon in cattle as 
follows:
    (a) The tolerance for clorsulon (market residue) in kidney (target 
tissue) is 1.0 part per million. A marker residue of 1.0 part per 
million corresponds to a total residue of 3.0 parts per million in 
kidney.
    (b) The safe concentrations for total clorsulon residues in uncooked 
edible cattle tissues are: muscle, 1.0 part per million; liver, 2.0 
parts per million; kidney, 3.0 parts per million; and fat, 4.0 parts per 
million.

[50 FR 10221, Mar. 14, 1985]