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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.
  • 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 Office of Pollution Prevention and Toxics: Chemical Fact Sheets

    Chemical information summaries prepared by EPA.
  • ExToxNet

    Provides a variety of information about pesticides.
  • Haz-Map

    A relational database on occupational diseases and hazardous exposures. Also contains a link to an NLM site where key word queries may be entered.
  • 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.
  • 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.
  • Toxicology Data Network (Toxnet)

    A cluster of databases on toxicology, hazardous chemicals and related areas.
  • The Toxikon Multimedia Project

    Discussions, classes and reviews sponsored by The University of Illinois at Chicago.
  • TOXMAP

    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).
  • Toxicology and Exposure Assessment for Children's Health (USEPA)

    A searchable database of annotated references on "environmental contaminants that potentially impact children's health. Also included are "Chemical Summary Forms" 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.


Pharmaceuticals, Drugs of Abuse, and Poisonous Plants

  • California Poison Control Center

    Poisoning information related to common plants.
  • Cornell University Poisonous Plants

    Database of photos, botanical information, and health information on poisonous plants. Contains links to other related sites.
  • Florida Plants Online

    Information on poisonous plants (not limited to Florida).
  • HyperTox

    Hunter Area Toxicology Service’s modules on approximately 25 common toxic drugs and environmental agents, including information on pharmacology, toxicology, and treatment.
  • 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.


Key Sites Providing Links to Multiple Sources of Information

Ranked, peer-reviewed, annotated, updated clinical medicine resources


Newsletters and Bulletins

  • FDA Drug Safety Newsletter

    This publication provides postmarketing information to healthcare professionals to enhance communication of new drug safety information, raise awareness of reported adverse events, and stimulate additional adverse event reporting.
  • FDC Reports, "The Pink Sheet"

    Brief weekly updates on business and scientific news pertaining to the pharmaceutical and biotechnology industry.
  • Harvard Center for Health and the Global Environment

    A quarterly newsletter of current research, news reports, events, and debates concerning human health and global environmental change.