[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: 21CFR556.150]

[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.  556.150  Chlortetracycline.

    (a) Acceptable daily intake (ADI). The ADI for total residues of 
tetracyclines including chlortetracycline, oxytetracycline, and 
tetracycline is 25 micrograms per kilogram of body weight per day.
    (b) Tolerances. (1) Tolerances are established for the sum of 
tetracycline residues in tissues of beef cattle, nonlactating dairy 
cows, calves, swine, sheep, chickens, turkeys, and ducks, of 2 parts per 
million (ppm) in muscle, 6 ppm in liver, and 12 ppm in fat and kidney.
    (2) A tolerance is established for residues of chlortetracycline in 
eggs of 0.4 ppm.

[63 FR 52158, Sept. 30, 1998, as amended at 63 FR 57246, Oct. 27, 1998]