A PROCEDURE FOR EVALUATING THE EFFICIENCY OF BACTERICIDAL AGENTS

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Abstract
An up to date revision of a germicide test which has been used at the U. S. Public Health Service, Robert A. Taft Sanitary Engineering Center since 1942. This method combines flexibility with control including methods for determining neutralizer efficiency and toxicity. Test organisms are grown on agar, suspended in buffered water, and filtered through sterile Whatman No. 2 paper. Sufficient test solution is available for related chemical tests. 10 refs.