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An official website of the United States Government. We are currently in the process of completing development work for beta.regulations.gov and will be performing routine maintenance. Please note these activities will occur during off-hours for minimizing impact to users.Regulations | Laws & Regulations | US EPAFind regulations Title 40, Code of Federal Regulations (40 CFR) Regulations are codified annually in the U.S. Code of Federal Regulations (CFR). Title 40: Protection of Environment is the section of the CFR that deals with EPA's mission of protecting human health and the environment.Per- and Polyfluoroalkyl Substances (PFAS) | US EPAAn official website of the United States government. We've made some changes to EPA.gov . If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot .

Pandemic Influenza Preparedness and Response Guidance

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