Resources and Information Sheets
The Agency for Toxic Substances and Disease Registry (ATSDR) is a federal public health agency under the U.S. Department of Health and Human Services. ATSDR's mission to serve the public by using the best science, taking responsive public health actions, and providing trusted health information to prevent harmful exposures and disease-related exposures to toxic substances.
Answers to“Frequently Asked Questions
The hazardous substances profiled here are ranked based on frequency of occurrence at National Priorities List (NPL) sites, toxicity, and potential for human exposure.
Describes the health effects when certain substances are combined.
These guidelines aid emergency department physicians and other emergency healthcare professionals who manage acute exposures resulting from chemical incidents.
Information in a question and answer format which address the most frequently asked questions about exposure to hazardous substances found around hazardous waste sites and the effects of exposure on human health.
Information in case study format intended to increase primary care provider's knowledge of hazardous substances exposures and to promote adoption of practices in evaluation and care of potentially exposed patients.
These interim guidelines aid physicians and other clinicians to consult patients on chemicals, health effects, and suggested answers regarding perfluoroalkyl and polyfluoroalkyl substances.