Guide to Chemical, Pesticide and Toxicology Web Sites
Here's a collection of some of the best Internet science sites with a focus on the topics of chemicals, pesticides, and toxicology. Bookmarking these Web sites can give you a headstart in your research. Note: For a guide to Internet search strategies, see a second pathfinder, "How to Research Science on the Internet."
- EPA Chemical Web Sites
- Toxicology Tutorials
- Chemistry Portals
- Chemical Properties
- General Toxicological
- Workplace Hazards
- Strictly Pesticides
- Test Methods and Standards
Explore the wealth of information that is contained on EPA's Web site by visiting the Popular Resources page for links to many of the informational pages that are a part of the site and the Where You Live page for environmental information about individual communities across the country.
EPA's National Library Catalog is online at www2.epa.gov/libraries/catalog
EPA's Substance Registry Service is the Agency's central system for information about substances that are tracked or regulated by EPA or other sources and includes basic information about chemicals, biological organisms, and other substances of interest to EPA and its state and tribal partners.
Office of Pesticide Programs (OPP):
Office of Pollution Prevention & Toxics (OPPT),
Toxic Substances Control (TSCA) Inventory:
Toxic Release Inventory(TRI):
- Three self-guided Toxicology and Environmental Health Tutorials, covering Basic Toxicological Principles, Toxicokinetics, and Cellular Toxicology, can be accessed from this National Library of Medicine Web site or can be run locally from your computer without the need for an internet connection by downloading zipped files onto your desktop.
Chemistry 2000: Two thousand of the best chemistry sites from 104 countries, including university faculty links from Cambridge University's Chemical Laboratory: www.ch.cam.ac.uk/c2k/
- Links for Chemists: A collection of links from the University of Liverpool's Chemistry Department: www.liv.ac.uk/Chemistry/Links/links.html
ChemIDplus, one of the National Library of Medicine's databases, offers chemical synonyms, structures, regulatory list information, and links to other chemical databases.
Chemfinder offers a free database that searches for chemical properties and structures of chemicals, as well as other fee-based subscriber databases: chemfinder.cambridgesoft.com/reference/chemfinder.asp. Registration is now required for continued use of the free database (users are prompted by the system to register).
National Institute of Standards and Technology (NIST) Chemistry WebBook includes searches for formula, name, CAS registry number, reaction, author, structure, and physical properties searches for ion energetics, vibrational and electronic energies, and molecular weight.
Oak Ridge National Laboratory's database of chemical-specific toxicity values includes over 700 chemicals, providing human health toxicological information needed to perform risk evaluations and assessments. A separate database searches radionuclides. This site also includes a useful tutorial that outlines the uses of toxicity values in calculating risks and deriving dose estimates.
Syracuse Research Corporation (SRC) offers free online searches of a number of databases as a public service. SRC's PhysProp Database provides chemical synonyms, structures, physical and chemical properties information, and links to other relevant databases.
The USDA's ARS Pesticide Properties Database provides properties information, including field half-life, for a large number of pesticides.
ATSDR's Toxicological Profiles, from the CDC's Agency for Toxic Substances and Disease Registry, combine information from many sources to provide "toxicological profiles" for hazardous substances found at National Priorities List (NPL) sites.
EPA's Integrated Risk Assessment System (IRIS), is a database of human health effects that may result from exposure to various substances found in the environment
Chemicals In the Environment: EPA's OPPT Chemical Fact Sheets contain information summaries on selected chemicals.
The Chemical Database from the University of Akron's Chemistry Department will allow the user to retreive information for any of 25,496 hazardous chemicals or 'generic' entries based on a keyword search.
INCHEM, the international chemical safety information database , is a joint project of the International Programme on Chemical Safety (IPCS) and the Canadian Centre for Occupational Health and Safety (CCOHS). It provides quick and easy electronic access to thousands of searchable full-text documents on chemical risks and the sound management of chemicals by means of a sophisticated search engine and a dozen relevant databases.
- PubMed from the National Library of Medicine, is a citation database that contains over 16 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. PubMed includes links to full text articles and other related resources. Go to www.pubmed.gov.
TOXNET from the National Library of Medicine, is a collection of free databases on toxicology, hazardous chemicals, environmental health, and toxic releases that can be searched individually or collectively, and a link to an NLM portal to environmental health and toxicology resources. Databases include:
- TOXLINE, a toxicology citation search database, includes listings of many TSCAT microfiches stored in EPA's TSCA Docket;
- ChemIDplus provides chemical properties information;
- HDSB, the Hazardous Substances Data Bank summarizes research results on human and animal toxicity;
- DART/ETIC contains citations for articles on developmental and reproductive toxicology and environmental teratology literature;
- IRIS, EPA's Integrated Risk Assessment System, provides data in support of human risk assessment; the Household Products database provides health and safety information on household products;
- CCRIS, the National Cancer Institute's Chemical Carcinogenesis Research Information System, contains carcinogenicity, mutagenicity, tumor promotion, and tumor inhibition data;
- GENE-TOX contains peer-reviewed mutagenicity test data from EPA;
- ITER, International Toxicity Estimates for Risk, presents chemical risk information from authoritative groups worldwide;
- LactMed is a database of drugs to which breastfeeding mothers may be exposed;
- TRI, EPA's Toxic Release Inventory, contains annual estimated releases of toxic chemicals to the environment;
- Haz-Map, an occupational health database that links jobs and hazardous tasks with occupational diseases and their symptoms;
- TOXMAP visually maps toxic substance data from EPA's Toxics Release Inventory (TRI) and Superfund Programs to specific geographic locations in the US;
- CPDB, the Carcinogenic Potency Database, provides the results of 6540 animal cancer tests that have been conducted since the 1950's.
Visit the main TOXNET page at toxnet.nlm.nih.gov
RAIS, the Risk Assessment Information System, a work sponsored by the Oak Ridge National Laboratory, is a source of over 70 Toxicity Profiles, guidance documents, and databases relating to chemicals risk assessment, groundwater, and Superfund issues. Select "Toxicity Profiles" from the main Risk Assessment Tools page.
Oxford University's PTCL Safety Web site sponsored by its Physical and Theoretical Chemistry Laboratory, provides information about safety and the potential hazards of chemicals.
SCORECARD's Chemical Profiles Web site , a project of the environmental advocacy group Green Media Toolshed, is a popular resource for information about pollution problems and toxic chemicals. It provides detailed information on more than 11,200 chemicals used in the US, including those regulated by major environmental laws.
- NIOSH Pocket Guide to Chemical Hazards from the National Institute for Occupational Safety and Health (NIOSH) of the Centers for Disease Control. www.cdc.gov/niosh/npg/
- Where to find Material Safety Data Sheets (MSDS) on the Internet , a portal compiled by ILPI, a corporate consulting firm, links to various chemical data sites. (MSDS can also be found by using a search engine such as www.google.com. Put in "chemical name MSDS" in the search box.) Go to
New Jersey's Right to Know Hazardous Substance Fact Sheets is a well organized set of safety sheets that provides information about hazardous substances at the workplace as part of New Jersey's Worker and Community Right to Know Act.
Haz-Map is a relational database of chemicals, jobs and diseases that links jobs and hazardous tasks with occupational diseases and their symptoms.
EPA's About Pesticides Web site provides answers to questions about physical properties, pesticide uses, scientific findings and regulatory activity, and links to other information sources including Specific Chemical Fact Sheets for information on new active ingredients, biopesticides, and chemicals in the reregistration process: www.epa.gov/pesticides/about/index.htm
Find pesticide residue limits at:
Compendium of Pesticide Common Names , created by a British science database manager, provides details of the status of all pesticide common names, together with their systematic chemical names, molecular formulae, structural formulae and CAS Registry Numbers.
Harmonized test guidelines for OCSPP and OPP were developed through a process that blended EPA and OECD test guidances and requirements for chemicals. Test guidelines outline testing procedures that must be performed to meet the USEPA data requirements under the Toxic Substances Control Act (TSCA) and the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA).
EXTOXNET is a pesticide toxicology and environmental chemistry infobase that includes links to discussions of toxicological issues of concern (TICs); toxicology newsletters; toxicology fact sheets; Pesticide Information Profiles (PIPs); Toxicology Information Briefs (TIBs); and other resources for toxicology information.
Material safety data sheets and labels from many pesticide companies have been made available by Crop Data Management Systems, Inc., an agricultural industry software company: www.cdms.net/LabelsMsds/LMDefault.aspx. For other products, use a search engine to find the MSDS for particular chemicals or go to the company's Web site.
NPIC, the National Pesticide Information Center a cooperative effort of Oregon State University and the U.S. Environmental Protection Agency, is staffed by well trained pesticide specialists who operate a toll-free telephone service that provides up-to-date pesticide information. NPIC's Web site links to many pesticide information sources: npic.orst.edu/tech.htm
National Pesticide Information Retrieval System (NPIRS) database includes registration information on over 125,000 pesticide products, either currently active or inactive (cancelled or transferred), as well links to state pesticide registration databases. Data includes product name, registration number, manufacturer, registration and cancellation dates, active ingredients, and product manager. Searches are available by product (using PC Code, product name, firm or registration number), by chemical name or CAS number, or by company name or registration number: ppis.ceris.purdue.edu/htbin/ppismenu.com
- New Pest Management Technologies is a database that fills a gap since there is currently no comprehensive database available that tracks potential, pending and recently registered new products. Resources of two USDA programs, Interregional Research Project Number 4 (IR-4) and Office of Pest Management Policy (OPMP), were combined to produce a comprehensive pest-specific listing of recent U.S. pesticide registrations, proposed U.S. pesticide registrations, and world-wide pesticide products in development. Search by crop, pest, or pesticide for registered and pending pest management products. Note: The products in NPMT are generally reduced-risk products that expand the range of alternatives that are available to manage pests in major and minor crops: www.pestmanagement.info/NPMT.
Pesticide usage statistics from NASS provides interactive access to data from the National Agricultural Statistics Service (NASS), as part of a cooperative effort among USDA, the USDA Regional Pest Management Centers and the NSF Center for Integrated Pest Management (CIPM). Commodity acreages and active ingredient agricultural chemical use data are available. All data can be searched by commodity, year, state and active ingredient. For each individual active ingredient, commodity, year and statistic, dynamic U.S. maps of each use statistic can be generated. Agricultural chemical usage statistic data can also be seen in a graphical format: www.pestmanagement.info/TopicResults.cfm?topsubID=22.
International Maximum Residue Limit Database Developed with funds from the USDA's Foreign Agricultural Service by CropLife America and AgriChem Data Service to help U.S. growers and exporters identify MRL tolerances for specialty crops they wish to export. Includes a list of MRL tolerances by active ingredient from 70 countries, the European Union and the Codex Alimentarius Commission (Codex). Searchable by crop, pesticide active ingredient and pesticide type. Covers over 300 commodities, 272 EPA-approved pesticides, and 426 pesticide and veterinary drug residue tolerances.
National Environmental Methods Index (NEMI) NEMI is a free, searchable clearinghouse of methods and procedures for both regulatory and non-regulatory environmental monitoring of water, sediment, air and tissues. Released to the public in October 2002 and funded by the USEPA and the USGS, NEMI currently contains over 800 method summaries, most of which are methods for water analysis. Use NEMI to compare and contrast the performance and relative cost of analytical, test, and sampling methods for environmental monitoring.
NSSN: A National Resource for Global Standards A database of standards-related information from a wide range of developers, including organizations accredited by the American National Standards Institute (ANSI), other U.S. private sector standards bodies, government agencies and international organizations. Administered by ANSI. Can be searched by keyword or standard number. Contains over 300,000 records.