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Author notes

1Presented at the 42nd Annual Meeting of the International Association of Milk and Food Sanitarians Inc., Augusta, Georgia, October 2–6, 1955.

Dr. Porges received the B. S. degree from the University of Massachusetts in 1924, and the M.S. and Ph.D. degrees in Microbiology from Rutgers University. He has been employed by the U. S. Department of Agriculture since 1937, except for a period of 3 years. Dr. Porges presently is a chemist at Eastern Utilization Research Branch at Philadelphia, Pa., and is leader of the Dairy Waste Unit. He is the author of numerous publications and is a member of the American Chemical Society, American Association for the Advancement of Science, the Society of American Bacteriologists, Iowa Academy Science, and The Society of Sigma Xi.

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