Choose the right environmental health and toxicology resource

The National Library of Medicine's Environmental Health and Toxicology Portal provides a starting point for finding reliable information on toxicology, hazardous chemicals, environmental health, and toxic releases. This guide can help you select the right resource for your needs.

If you're looking for:
Go to:
Journal references to toxicology literature including birth defects information
Summaries of peer-reviewed human health effects and emergency medical treatment for chemicals
Animal Toxicity Studies
Environmental Fate, Exposure, Standards and Regulations
Chemical/Physical properties and safety/handling/disposal of chemicals
Manufacturing, formulation and use of chemicals
Chemical names and synonyms
Chemical structures and structure searching/drawing capability
InChI and/or SMILES structure notations
List of links to NLM/NIH and other government agency information for a single chemical
Drug-induced liver injury: Evidence-based information on prescription and over-the-counter drugs, herbals, and dietary supplements.
Carcinogenicity, mutagenicity, tumor promotion and tumor inhibition data from the National Cancer Institute (NCI). CCRIS provides historical information from the years 1985 - 2011. It is no longer updated.
Peer-reviewed mutagenicity test data from the U.S. Environmental Protection Agency (EPA) including species, type of assay, test result and more. GENE-TOX covers the years 1991 - 1998. It is no longer updated.
Risk information: Hazard identification and dose-response risk assessment information from the U.S. EPA
Cancer testing: Results and analyses of chronic and long-term animal cancer test from government agencies and the general published literature. CPDB covers 1980 - 2011. It is no longer updated.
Genetic information: Access to scientific data describing relationships between chemicals, genes and human diseases. The database is updated several times a year.
Risk information: Cancer and noncancer oral/inhalation risk values and types from government and independent risk information groups worldwide
Lactation: Drug information for breastfeeding mothers and their nursing infants including maternal/infant drug levels and possible effects
Electronic maps of chemical releases, Superfund sites, health, census, income data and more
Environmental releases of chemicals and waste management activities reported by facilities to the U.S. EPA
Occupational health: Chemicals, occupations, job tasks, and associated diseases/conditions
Drug information including names, descriptions, labels, drug categories and links to additional resources
Dietary Supplements: Ingredients, health benefit claims and manufacturer information for dietary supplements with links to research
Household products: Safety and health information for products used in and around the home
Material Safety Data Sheets (MSDS) and consumer product recalls
Disaster information: Health information and research related to natural, accidental or deliberate disasters
Gallery of mobile disaster apps and sites
Tool about chemical, biological, and radiological agents of concern for emergency responders, with a focus on Hazmat and transportation incidents
Radiation information: Diagnosis and treatment information for radiological events and emergencies Radiation Emergency Medical Management
Chemical emergency information with a focus on potential mass casualty chemicals: Chemical identification, acute patient care guidelines, and initial event activities
Community environmental health: Interactive web site on toxic chemicals and environmental health concerns in the community
Resources for Alternatives to the Use of Live Vertebrates in Biomedical Research and Testing
Subject guides: Selected links to internet resources on environmental issues of current interest
Toxicology Tutorials: Online tutorials on basic toxicology principles and concepts
Children’s Interactive learning site about household chemical hazards