Analytical Methods for Residues of Chloramphenicol & Related Compounds in Foods

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For additional information on this method, please contact:
Mr. Martin J. Stutsman, Office of Food Safety,
E-mail:, Telephone: 240-402-1642 




For additional information on these methods, please contact:
Ms. Barbara Montwill, Office of Food Safety,
E-mail:, Telephone: 240-402-1426

Other Methods for Residues of Chloramphenicol and Related Compounds in Foods

(for the current regulatory analytical methods, see the section above.)


The archived methods in this section are not currently used for regulatory work. They are provided only as background and informational references. They do not necessarily report completed scientific work. Users must assure themselves by appropriate validation procedures that these methods and techniques are reliable and accurate for their intended use. Reference to any commercial materials, equipment, or processes does not in any way constitute approval, endorsement, or recommendation by the Food and Drug Administration.


  • Confirmation of Multiple Phenicol Residues in Shrimp by Electrospray LC/MS (posted September 2002):
    Laboratory Information Bulletin No. 4284, May 2002 No. 5 (also available in PDF (267 Kb)) [Archived content]


  • Confirmation of Chloramphenicol Residue in Crab by Electrospray LC/MS: (posted December 2002)
    Laboratory Information Bulletin No. 4294, December 2002 No. 12 (also available in PDF (222 Kb)) [Archived content]


  • Confirmation of Choramphenicol Residues in Crawfish by Electrospray LC/MS: (posted October 2002)
    Laboratory Information Bulletin No. 4289, August 2002 No. 8 (also available in PDF (244 Kb)) [Archived content]

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