U.S. Government Sites 1. U. S. EPA (Environmental Protection Agency) Integrated Risk Information System (IRIS)
EPA Toxic Release Inventory
Exposure Factors Handbook, Vol. I, II, III
Center for Exposure Assessment Modeling
Guidelines for Ecological Risk Assessment
Risk-Screening Environmental Indicators (RSEI)
Risk Assessment Forum - Guidelines for Carcinogen Risk Assessment
2. California Environmental Protection Agency (Cal/EPA) USEPA / OPP's Pesticide Products Databases as served by Cal/EPA DPR
DPR Chemical/Product Database Queries
Office of Environmental Health Hazard Assessment (OEHHA).Proposition 65 information
OEHHA Multimedia Risk Assessment
OEHHA Air Toxics Hot Spots Guidelines
3. Centers for Disease Control and Prevention National Center for Health Statistics
Agency for Toxic Substance and Disease Registry (ATSDR)
ATSDR HazDat Database
ATSDR ToxFAQs: Hazardous Substance Fact Sheets
National Institute for Occupational Safety and Health (NIOSH)
Information about NIOSH's databases
4. National Institutes of Health and National Library of Medicine National Institute of Environmental Health Sciences (NIEHS)
National Library of Medicine (NLM)
Information about NLM's Databases
Information about NLM's TOXNET Toxicology Data Network
NLM's MEDLINE medical literature abstracts database
National Toxicology Program (NTP)
5. Food and Drug Administration 6. Occupational Safety and Health Administration
Toxic and Hazardous Substances Standards, OSHA 29 CFR Part 1910 Subpart Z 7. Bureau of Labor Statistics 8. Fish and Wildlife Service Environmental Contaminants Program
9. National Oceanic and Atmospheric Administration
10. Army Corps of Engineers
11. U.S. Geological Survey
12. U.S. Government Printing Office
13. Federal Emergency Management Agency
14. Centers for Medicare and Medicaid Services (CMS)
15. U.S. Congressional Sites House of Representatives
Senate
Legislative Information on Internet
Other U.S. Private Agency Sites 1. RiskWorld
An international publication, covering news and views on risk assessment and risk management 2. Resources for the Future (RFF)
This organization includes a Center for Risk Management, and this site provides links to the homepages of other institutions 3. Risk Assessment and Policy Association 4. EXtension TOXicology NETwork (EXTOXNET) 5. Toxicology News Group via the BIOSC/bionet Electronic Newsgroup 6. WaterNet 7. Center for Integrative Toxicology 8. Material Safety Data Sheets 9. Red Cross Chemical Emergency Page 10. American Society For Testing and Materials 11. US Business Advisor
International Sites
1. Central European Environmental Data Request Facility (CEDAR)
2. The Global Information Network on Chemicals (GINC)
3. International Agency for Research on Cancer (IARC)
4. International Labour Organization
5. International Society of Exposure Analysis (ISEA)
6. United Nations Environment Programme (UNEP) 7. World Health Organization (WHO)
8. Canadian Centre for Occupational Health and Safety
9. Japan's National Institute of Health Sciences (Ministry of Health and Welfare)
10. Sweden's National Institute for Working Life
11. Netherlands' National Institute of Public Health and Environmental Protection (RIVM) | 
