ATSDR’s Toxic Substances Portal
ATSDR's Toxic Substances Web Portal makes it easy for researchers and citizens to find information about toxic chemicals and related health effects. Learn how toxic substances can affect health and how to prevent exposure.
A chemical spill may have contaminated a rural area's water supply with high levels of arsenic. Community members living in the area are understandably concerned about exposures to hazardous chemicals in their drinking water. The community's health care providers anticipate that their patients may want more information about arsenic exposure and potential health effects.
Both residents and health care providers can rapidly find the answers they need in ATSDR's Toxic Substances Portal.
The Agency for Toxic Substances and Disease Registry's (ATSDR) Toxic Substances Web Portal provides comprehensive access to the best science, the latest research, and important information about how toxic substances can affect health.
ATSDR makes it easy to find the information you want to know about toxic substances and related health effects and exposure risks.
Health care professionals can search the Toxic Substances Portal for specific information about health effects caused by exposure to toxic substances.
The Web Portal provides four easy ways to search for information:
- Search by alphabet : Look for documents on specific substances by searching the A-Z listing.
- Search by key terms : Make full or partial searches using key words like the substance name, a synonym, the trade name or the registry number related to the chemical.
- Search by organ system: Search the list of body organs and systems for links to chemicals that may harm specific parts of the body.
- Search by audience :
- Community Members can find easy-to read information about chemicals and health effects they might experience as a result of exposure.
- Toxicological and Public Health Professionals can use the Web Portal as a source of information about chemical toxicity and health risk levels of the chemicals.
- Emergency Responders can locate publications that help first responders, emergency department physicians and other professionals who manage sudden chemical exposure incidents.
- Health Care Providers can locate free, evidence-based medical education courses that address clinical health effects of hazardous substances.
Searches are also available for related ATSDR health studies and assessments.
The portal also has a variety of documents available for each substance:
- Toxicological Profiles offer a detailed synthesis of the peer reviewed scientific literature on the toxicological and adverse health effects of specific hazardous substances.
- ToxFAQs are fact sheets written in plain language that answer the most frequently asked questions about a toxic substance and associated health effects.
- Public Health Statements provide a plain language summary overview of each complete Toxicological Profile on chemicals found at hazardous waste sites, including the effects of exposure on human health.
- Case Studies in Environmental Medicine are self-instructional, continuing-education primers designed to increase primary care providers' knowledge of hazardous substances and aid in the evaluation of patients potentially exposed to hazardous substances.
Searchable topics include:
- Production, Import, Use, and Disposal
- Potential for Human Exposure
- Regulations and Advisories
- Chemicals classified by structure, uses, physical properties, radiological properties and more
Can you guess which toxic substances in the portal get the most views?
Did you think of these?
- DDT, DDE, and DDD
- Polychlorinated biphenyls (PCBs)
- Polycyclic aromatic hydrocarbons (PAHs)
Click here to visit ATSDR's Toxic Substances Web Portal.
- Page last reviewed: March 16, 2015
- Page last updated: March 16, 2015
- Content source:
- Agency for Toxic Substances and Disease Registry
- Page maintained by: Office of the Associate Director for Communication, Digital Media Branch, Division of Public Affairs