Methods and Guidance for Testing the Efficacy of Antimicrobials against Spores of Clostridium difficile

EPA is announcing the availability of test methods for evaluating the efficacy of antimicrobial pesticides against Clostridum difficile as well as regulatory guidance for pesticidal claims for those products. These test methods and guidance provide a framework for registrants who seek to make a claim for antimicrobial pesticide products to control these spores on hard, non-porous surfaces.

Under the Federal Insecticide, Fungicide, and Rodenticide Act, the registrant of an antimicrobial product with a public health claim is required to submit efficacy data to EPA in support of the product’s registration.   Continue reading