Toxicology Reference Data
- Acute Exposure Guideline Levels (AEGL)
Acute* Exposure Guideline Levels, or AEGLs, are intended to describe the risk to humans resulting from once-in-a-lifetime, or rare, exposure to airborne chemicals. The National Advisory Committee for AEGLs is developing these guidelines to help both national and local authorities, as well as private companies, deal with emergencies involving spills, or other catastrophic exposures.
- ATSDR Minimal Risk Levels for Hazardous Substances
List of MRLs , an "estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse noncancer health effects over a specified duration of exposure."
- ATSDR summaries (Frequently Asked Questions)
Agency for Toxic Substances and Disease Registry overview of the health effects of chemicals often encountered as environmental pollutants, written in the format of question and answers. Nontechnical language.
- Centers for Disease Control Documents
Searches large database of documents covering toxicology, public health, and regulatory information from within the various branches of the CDC, including NIOSH, and the Center for Environmental Health.
- ChemIDplus (NLM)
Search and display of registry number, chemical name, molecular formula, structure, physical and toxicological properties plus locator and classification data
- Code of Federal Regulations
Site providing searchable indices of the entire Code of Federal Regulations, and recent years’ Federal Register. Find key regulations and proposed regulations from EPA, OSHA, FDA, CPSC, and other federal agencies.
- Environmental Health & Toxicology
Portal to multiple resources on diverse aspects of basic and clinical toxicology, including environmental, pharmaceutical, radiological, reproductive, and others. Maintained by the National Library of Medicine.
- EPA "IRIS" Database (Integrated Risk Information System)
EPA’s key risk assessment database, representing EPA scientists’ consensus on levels of contaminants in environmental media associated with noncarcinogenic and carcinogenic endpoints.
- EPA Regional Screening Levels
Link to tables of risk-based screening levels for environmental chemicals in soil, air, and water utilized by the Superfund program of US EPA Regions 9, 3 and 6. Also contains a link to a a Screening Level Calculator to assist in calculating site-specific screening levels.
- EPA Office of Pollution Prevention and Toxics: Chemical Fact Sheets
Chemical information summaries prepared by EPA.
Provides a variety of information about pesticides.
A relational database on occupational diseases and hazardous exposures. Also contains a link to an NLM site where key word queries may be entered.
- Household Products Database
What's under your kitchen sink, in your garage, in your bathroom, and on the shelves in your laundry room? Learn more about what's in these products, about potential health effects, and about safety and handling.
- ILO Encyclopaedia of Occupational Health and Safety, 4th Edition
The International Labor Organization's comprehensive encyclopedia of information on industrial processes and adverse health effects is available free on-line.
- International Programme on Chemical Safety / INCHEM
Gateway to a large library of documents on specific chemicals from the International Programme on Chemical Safety (sponsored in part by the World Health Organization). Included are numerous Poison Information Monographs, Environmental Health Criteria, IARC monographs, Pesticide Data Sheets, and other databases with information on the physical properties and toxic effects of chemical agents.
- International Toxicity Estimates for Risk Assessment (ITER)
Gateway to a tabular database of human risk values and cancer classifications for over 680 chemicals of environmental concern from multiple government organizations worldwide (EPA, ATSDR, Health Canada, National Institute of Public Health & Environmental Protection RIVM -the Netherlands, and others)
- MAK Commission maximum workplace concentrations and biological tolerance values
The MAK Commission proposes maximum workplace concentrations (MAK values) for volatile chemicals and dust, biological tolerance values (BAT values), biologische Leitwerte (BLW), biological reference values for workplace substances (BAR) and analytical methods for substances in the air and biological material.
- Material Safety Data Sheets
A compilation of MSDS websites, some requiring subscription. Includes independent, governmental, nonprofit, and chemical manufacturers websites.
- MEDLINE (via NLM Pubweb)
Free searching of the entire Medline database, provided via the National Library of Medicine’s web interface.
- National Toxicology Program
Searches databases of the National Toxicology Program at the National Institute of Environmental Health Sciences, the FDA National Center for Toxicology Research, and the National Institute for Occupational Safety and Health for research data and toxicology information on selected chemical agents.
- National Institute for Occupational Safety and Health (NIOSH)
- Occupational Health and Safety Administration (OSHA) Standards
Full-text listing of OSHA Occupational Safety and Health Standards, including appendices on medical surveillance, and official interpretations rendered via correspondence and/or compliance directives.
- OSHA Webpage for Annotated Tables on Permissible Exposure Limits
To provide employers, workers, and other interested parties with a list of alternate occupational exposure limits that may serve to better protect workers, OSHA has annotated the existing Z-Tables with other selected occupational exposure limits. OSHA has chosen to present a side-by-side table with the Cal/OSHA PELs, the NIOSH Recommended Exposure Limits (RELs) and the ACGIH® TLVs®s.
- Provisional Peer Reviewed Toxicity Values for Superfund (PPRTV)
A database of toxicity values (e.g. LOAELs, reference concentrations) developed for the EPA Superfund program that have not yet undergone the multi-program review and consensus required for inclusion in IRIS
- Radiation Mass Exposure Incident Response
Page created by the National Institute of Environmental Health Sciences of links to documents and guidelines on emergency response to mass radiation exposure incidents, particularly radiation dispersal devices or "dirty bombs".
- Toxicology Data Network (Toxnet)
A cluster of databases on toxicology, hazardous chemicals and related areas.
TOXMAP focuses on the geographic distribution of chemical releases, their relative amounts, and their trends over time. This release data comes from industrial facilities around the United States, as reported annually to the Environmental Protection Agency (EPA).
- Rules and Regulations that Impact Children's Health (EPA)
Information on selected chemicals that include sections on special concerns for children, consideration for decision-making, common exposure media, toxicity, regulatory issues, and background on the chemical.
- US Army Academy of Health Sciences. Digital Collection of Stimson Library
A searchable digital archive of Army medicine publications dating from the 1920s to 1989 pertaining to a spectrum of military medicine, including medical reports and guidance regarding battlefield experience with chemical warfare agents and other toxicological hazards.
Pharmaceuticals, Drugs of Abuse, and Poisonous Plants, Venomous Creatures
Links to Multiple Sources of Information
- American Association of Poison Control Centers
AAPCC is a nationwide organization of poison centers and interested individuals.
- ATSDR Science Page
Huge menu of global resources and information on environmental health.
- Chemical Industry Institute of Toxicology
This is a not-for-profit toxicology research institute dedicated to providing an improved scientific basis for understanding and assessing the potential adverset effects of chemicals, pharmaceuticals, and consumer products on human health.
- Medical Matrix
Ranked, peer-reviewed, annotated, updated clinical medicine resources
Newsletters and Bulletins
- FDC Reports, "The Pink Sheet"
Brief weekly updates on business and scientific news pertaining to the pharmaceutical and biotechnology industry.
- Pharmaceutical Information: Rx List
Searchable database of monographs on the 200 most widely prescribed pharmaceuticals (monographs essentially the same as PDR content). Also contains ability to search for drug ID by imprint codes.
Toxicology Podcasts and Blogs
The Poison Review
A critical update and evaluation of recent scientific literature, news stories, and cultural events related to the field of medical toxicology.
Life in the Fast Lane Toxicology Conundrums
The Toxicology Conundrums are targeted case-based question-&-answer toxicology quiz posts designed to highlight important principles, pitfalls, and ‘tricks of the trade’ for the clinical assessment and management of poisoned and envenomed patients.
The American Association of Poison Control Centers is a nonprofit organization representing America’s 57 poison control centers and promoting poison safety and awareness.