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Appl Environ Microbiol. 1964 November; 12(6): 460-463
Copyright © 1964 American Society for Microbiology. All Rights Reserved.

Evaluation of Disinfectants for Hospital Housekeeping Use

Veterans Administration Hospital, Batavia, New York

ABSTRACT

A use-dilution procedure and screening method are proposed to aid the hospital bacteriologist in selecting the most effective disinfectants. Sixteen disinfectants were tested with and without organic material on six different organisms. Sporadic results usually obtained with quaternaries tested by the procedure of the Association of Official Agricultural Chemists (AOAC) were eliminated by the methods of this study. The use-dilution procedure employs the material upon which the disinfectant is to be used, rather than stainless steel, as in the AOAC use-dilution test. The importance of testing each disinfectant against several organisms and in the presence of organic material is discussed.