# Chemical Information Sources/SIRCh/Chemical Safety Searches and Toxicology Searches
##### Guides to Chemical Safety or Toxicology Information

* Where to find Material Safety Data Sheets on the Internet: Directory
* HazMat Safety Community
* EnviroLink's Environmental Resources
* CCOHS Resources page (Canadian Centre for Occupational Health and Safety)
* Safety Information Resources on the Internet (Vermont SIRI Home Page)
* NIOSH Home Page (National Institute for Occupational Health and Safety)
* USA.gov
* Best Environmental Directories: links to 550+ environmental directories
* Chemical Exposure: Toxicology, Safety and Risk Assessment (LC Science Tracer Bullet, December 1991)
* Select Bibliography on Chemical Hazards (Indiana University)

##### Material Safety Data Sheets & Other Factual Sources

* Where to find Material Safety Data Sheets on the Internet: Directory
* CCOHS Web Information Service (formerly, CCINFOWeb)
* TOXNET (Toxicology Data Network at the National Library of Medicine) (includes HSDB)
* Hazardous Substances Data Bank (HSDB) (structure-searchable via NIH Specialized Information Services)
* SIRI MSDS Index
* Environment (SRC, Syracuse Research Corporation)
* National Toxicology Program
* Chemicals in the Environment: OPPT Chemical Fact Sheets
* Envirofacts Data Warehouse (US EPA)
* The Chemical Database (University of Akron)
* ToxFAQs (Agency for Toxic Substances and Disease Registry)
* MedlinePlus
* RTK NET: The Right-to-Know Network
* Extoxnet (Pesticides)
* Worksafe (Australia)
* NCMS Solvent Database (National Center for Manufacturing Sciences)

##### Environmental Sources

* U.S. Environmental Protection Agency
** Chemical Data Access Tool (health and safety information submitted to EPA under the Toxic Substances Control Act (TSCA) for chemicals manufactured or imported into the US)
** Substance Registry Services (EPA)
** Popular Resources (EPA)
** HPV Chemical Hazard Characterizations (HPV = High Production Volume: substances produced in excess of 1 million pounds per year)
* Toxic Substances Control Act Test Submissions (TSCATS)
* Environmental Health and Toxicology (NLM)
* Toxic Substances Portal (Agency for Toxic Substances & Disease Registry)
* US Department of Energy
* AGRICOLA Database (US National Agricultural Library)
* Environmental Sites
* United Nations Environment Programme
* CCOHS Web Information Service (Canadian Centre for Occupational Health and Safety)
* ESIS European chemical Substances Information System
* European Environment Agency
* Institute for Health and Consumer Protection (European)
* National Institute of Environmental Health Sciences
* EnvironmentalChemistry.com
* Pesticide Database
* A Guide to Household Hazardous Waste

##### Laws and Regulations

* Laws and Regulations (US EPA)
* U.S. Code of Federal Regulations
* United Nations Environment Programme

##### Dictionaries

* Terms of Environment (U.S. EPA)
* Terminology Services (US EPA)
* The MSDS Hyper Glossary
* Glossary of Terms Used in Toxicology (IUPAC Provisional Recommendations)
* Explanatory Dictionary of Key Terms in Toxicology (IUPAC)
* Explanatory Dictionary of Key Terms in Toxicology, Part II (IUPAC)
* Abbreviations and Acronyms Used in Toxicology Literature (IUPAC)

##### Labels

* NFPA Chemical Hazard Labels
* Safety in the Chemistry Laboratory (includes clickable label image with brief descriptions of NFPA and HMIG classes)
* Safety in the Chemistry Laboratory (HMIG / HMIS Hazardous Material Identification Guide / System)
* Identification of Chemical Hazards Through Labeling (descriptions and pictures of ANSI, NFPA, DOT, and HMIS labels)

##### Miscellaneous

* Periodic Table with Health and Environmental Data (Lenntech)